Mathspace discloses data breach affecting over 1 million people
Online maths learning platform Mathspace disclosed over the weekend that attackers stole data from more than 1 million students, staff, and parents after breaching its Metabase internal reporting system. [...]
Trezor data breach impact now reaches 81,000 customers
Cryptocurrency hardware wallet maker Trezor says an August data breach at its shipping and logistics provider, ShipMonk, affects an additional 67,000 U.S. customers. [...]
OpenAI Agents Hijack Another Victim Website
OpenAI agents made 15,000–18,000 autonomous edits to a German wiki over three months, evading moderation and echoing tactics seen in the Hugging Face breach. The post OpenAI Agents Hijack Another Victim Website appeared first on SecurityWeek .
Over 5,400 hacked sites serve ClickFix payloads stored on the blockchain
A massive cybercriminal operation is leveraging thousands of compromised small-business websites to deliver ClickFix payloads stored in smart contracts on the BNB Smart Chain (BSC). [...]
Trezor Says ShipMonk Breach Exposed 67,000 U.S. Customers' Data It Said Was Deleted
Hardware wallet manufacturer Trezor on Friday disclosed that another 67,000 customers from the U.S. have been impacted in a breach at its shipping provider ShipMonk. The exposed information includes customer names, email addresses, phone numbers, shipping addresses, and order numbers between November 2019 and August 2021.
OpenAI admits it didn't disclose rogue AI wiki hijacking incident
OpenAI admits it did not disclose an incident where autonomous AI agents hijacked a German wiki, created 18,000 posts, shared answers, and bypassed restrictions, saying it treated the activity as model "misalignment" rather than a security breach. [...]
IDScan sued over alleged data breach affecting 153 million drivers
Multiple lawsuits have been filed against identity verification company IDScan after hackers allegedly breached the service and offered to sell more than 153 million driver's licenses. [...]
French hospital fined €500,000 after breach exposes data of 727,000
France's data protection authority (CNIL) has fined Hôpital privé de la Loire €500,000 ($580,000) for failing to adequately protect patients' and their relatives' data. [...]
Coder's registry infrastructure compromised to push malicious modules
Attackers compromised Coder's Cloudflare infrastructure and added unauthorized registry servers that delivered malicious Terraform modules containing credential-stealing code. [...]
What We Missed: Did ShinyHunters 'Breach' ReliaQuest?
In this video conversation, Dark Reading editors discuss some of the news they didn't get a chance to cover, from the latest antics of ShinyHunters to new research about the prevalence (or lack thereof) of AI-generated malware.
BraZetsu Malware Turns Compromised Windows Hosts Into Criminal Marketplace Inventory
Cybersecurity researchers have disclosed details of a sophisticated Python-based Windows malware framework called BraZetsu that fuels an underground marketplace commercializing access to compromised hosts. "Unlike the standard infostealer model, BraZetsu is a comprehensive master toolkit that empowers Initial Access Brokers (IABs) by turning compromised systems into highly…
Thomson Reuters Court Software Breach May Have Exposed SSNs and Sealed Data
Thomson Reuters disclosed on Wednesday that an unauthorized party obtained files from C-Track, the court case management platform sold by its West Publishing Corporation unit, in March 2026, affecting courts in 11 U.S. states, the U.S. Virgin Islands, and Ontario, Canada.
AI 'Machine Speed' Cuts 2-Week Attack Down to 10 Hours
The incident demonstrates how frontier AI agents can dramatically compress an attack timeline and coordinate a large-scale breach, according to researchers.
Your Employee’s Password Appeared in an Infostealer Log. Now What?
Infostealers can expose far more than passwords, including authenticated sessions that may let attackers bypass MFA. Flare explains how defenders can prioritize compromised identities, determine whether stolen access is still usable, and respond before it leads to account takeover. [...]
Malicious Apache Modules Hijack Brazilian Government Site Traffic to Push Betting Pages
A Chinese-speaking cybercrime cluster known as Gambling Goblin has been observed installing malicious Apache modules on compromised web servers run by Brazilian government and educational institutions, and using them to divert visitors to attacker-controlled pages promoting online gambling and sports betting. Check Point Research said it has tracked the campaign since…
Novocure data breach affects more than 1,400 cancer patients
Healthtech company Novocure says the data of an undisclosed number of employees and more than 1,400 U.S. cancer patients has been exposed in a mid-August cyberattack. [...]
Microsoft warns of TerminalFix attacks deploying reverse tunnels
A new ClickFix variant dubbed TerminalFix uses fake Cloudflare CAPTCHA prompts on compromised websites to trick victims into running malicious PowerShell commands in Windows Terminal. [...]
McKesson Confirms Data Breach as Attacker Deadline Looms
The ShinyHunters extortion group has claimed the theft of 284 million records from the company’s systems. The post McKesson Confirms Data Breach as Attacker Deadline Looms appeared first on SecurityWeek .
McKesson discloses breach after ShinyHunters claims patient data theft
Healthcare and pharmaceutical distribution giant McKesson has disclosed a cybersecurity incident involving unauthorized access to third-party applications and data theft, with the ShinyHunters extortion group claiming it stole 284 million patient data records. [...]
Toy-making giant Hasbro disclose data breach affecting employees
Hasbro, one of the world's largest toy and game companies, has disclosed that attackers have accessed the personal and financial information of an undisclosed number of employees. [...]
Manchester Airports Group says hackers stole travelers' data
The Manchester Airports Group (MAG) disclosed that hackers breached its systems and stole customer data, including Wi-Fi sign-ups from Manchester, Stansted, and East Midlands airports. [...]
CISA Red Team Compromised Two Critical Infrastructure Orgs, One Detected Nothing
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has published the results of two red team assessments it conducted simultaneously against two critical infrastructure organizations, using what it described as similar tradecraft while recording sharply different defensive outcomes. Both organizations were fully compromised at the domain level, and in both, the…
LACMA data breach last year exposed social security and medical data
The Los Angeles County Museum of Art (LACMA) has announced that a breach last year exposed customer and employee information. [...]
U.S. Sanctions Iran-Linked Hackers Behind Critical Infrastructure Breaches
The U.S. Department of the Treasury has announced fresh sanctions on Iranian cyber actors as part of what it called an "unprecedented, whole-of-government, economic campaign" against the nation and its enablers. "We are launching an economic onslaught against Iran's financial connections around the globe.
Is Cyber Facing an Affordability Crisis?
As breach costs reach record highs and defense spending nears $240 billion, small businesses are dangerously exposed, threatening supply chain security.
Hospital operator Nutex Health says data stolen in cyberattack
Healthcare and services provider Nutex is investigating a data breach incident where an unauthorized third party exfiltrated information from company servers. [...]
Mirage2FA Surge Hits 4,500 US and EU Companies, Abusing Microsoft 365 Login Flows
Thousands of companies have been affected by the Mirage2FA campaign from 2024 to 2026. The commercial phishing-as-a-service toolkit targets Microsoft 365 accounts by abusing legitimate login flows and bypassing two-factor authentication. According to ANY.RUN research, 48% of targeted email addresses were potentially compromised.
ReliaQuest confirms failed data-theft attack after ShinyHunters breach
Cybersecurity company ReliaQuest has confirmed that one of its employees was targeted in a social engineering attack after hackers impersonated a member of the security team. [...]
⚡ Weekly Recap: AI-Powered PLC Attacks, GitLab Attacks, Stripe Key Leaks and More
A package gets installed. A login prompt opens. A box sits exposed to the internet.
Personal Information Exposed in Apollo Global Data Breach
The private equity firm appears to have been targeted as part of a campaign focusing on major financial companies. The post Personal Information Exposed in Apollo Global Data Breach appeared first on SecurityWeek .
Hackers infect Android car head units with proxy botnet malware
A supply-chain attack targeting Android-based car head units is using a legitimate device-update app to spread malware that enlists compromised devices in a proxy botnet or uses them for ad fraud. [...]
Hundreds of leaked AWS keys give full control over corporate accounts
More than 9,300 Amazon Web Services (AWS) access keys publicly exposed between August 2022 and August 2026 are still active and valid. [...]
Is Online Privacy Possible? How Digital Identities Can Help
Using the same email, phone number, payment method, and other identifiers makes it easier for data brokers and attackers to profile your activity. Anonyome Labs explains how separate digital personas can reduce correlation and limit the impact of breaches, spam, and identity theft. [...]
SickKids data breach exposes employee and job applicant info
Toronto's Hospital for Sick Children (SickKids) says a cybersecurity incident exposed the personal information of some current and former employees and job applicants, stemming from a flaw in third-party software. Clinical systems and patient records were not affected. (264) [...]
Rust Supply Chain Attack Puts Build-Time Malware in Crates with 245 Million Downloads
The Rust Project has deleted malicious versions of three widely used Rust crates from crates.io after a compromised maintainer account published releases that added a typosquatted dependency whose build script downloaded and executed a remote payload during compilation. The affected releases are arrayref 0.3.10, internment 0.8.7, and append-only-vec 0.1.9, all published from…
Hackers poison arrayref Rust crate to push infostealer malware
Hackers compromised the maintainer account behind the widely used Rust crate arrayref to introduce malware that executed on developers' systems during compilation. [...]
Why "Shady AI" is Security's Next Big Governance Problem
In March 2026, an internal AI agent at Meta triggered a “Sev 1” incident after sensitive company and user data was exposed to employees who weren’t authorized to access it. The incident began when a Meta employee posted a technical question on an internal forum. An engineer used an approved AI agent to analyze it, but the agent posted its response publicly without…
Healthtech firm CareCloud data breach impacts 3.7 million patients
U.S. healthcare IT company CareCloud disclosed that the data breach incident it suffered earlier this year has impacted more than 3.7 million individuals. [...]
Cloudflare Workers Spectre Attack Leaks JWT From Co-Located Worker at 12 Bits/Second
Cybersecurity researchers have disclosed details of a remote Spectre attack against Cloudflare Workers that leaked a JSON Web Token (JWT) from a co-located Worker in the production environment at up to 12 bits per second, 360 times the rate of an earlier attack demonstrated in 2021. The end-to-end experiment used an attacker Worker and a victim Worker controlled by…
Hackers compromise 14,500 Dahua web cameras in 35-day campaign
In a large-scale campaign that researchers dubbed CameraSwarm, hackers compromised more than 14,500 Dahua IP cameras mostly in Ukraine and Russia. [...]
Hackers Compromised 14,500+ Dahua Devices Using Credential Attacks, Auth Bypasses, and P2P
Cybersecurity researchers at Hunt.io have disclosed details of a campaign that they say compromised more than 14,530 Dahua devices between June 17 and July 22, 2026, using credential attacks, two authentication-bypass flaws, and a peer-to-peer (P2P) relay technique. The activity, codenamed Operation CameraSwarm, was reconstructed from a 407 MB exposed working directory…
The 'Industrial Accidents' Behind Rogue AI Agent Attacks — and the Sandbox Failures Exposed
Rich Mogull, chief analyst with the Cloud Security Alliance, joins the Dark Reading News Desk with what defenders need to take away from AI agents escaping their environments to launch attacks.
SafePal Hardware Wallet Maker Says Flaw Exposed Data of Nearly 40,000 Customers
SafePal has disclosed that an authorization flaw in an order-tracking plug-in exposed the names, email addresses, shipping addresses, phone numbers, and purchase details of approximately 39,798 customers. The hardware wallet maker said all affected customers were notified individually by email on August 16 from security@safepal.com, with the subject line "[Important] Your…
Hacker claims 3.6 million Azure account records stolen from major companies
A threat actor is selling employee databases allegedly stolen from the Microsoft Azure infrastructure of multiple Fortune 500 companies after gaining access using compromised credentials. [...]
Hugging Face Breach Raises Big Questions About AI Security Controls
Adam Shostack, president of Shostack & Associates and an affiliate professor at the University of Washington, talks with the Dark Reading News Desk about why he was "blown away" by OpenAI's revelations regarding the Hugging Face attack.
Pokémon Center data breach exposes customer info, cancels some orders
Pokémon Center is notifying customers in the United Kingdom and Germany that it suffered a third-party data breach after hackers stole customer personal and order information from third-party logistics provider CEVA Logistics. [...]
French tax authority data breach affects 678,000 individuals
The French Ministry of the Economy and Finance has disclosed a data breach after an attacker accessed the General Directorate of Public Finances (DGFiP) systems and stole data belonging to 678,000 individuals. [...]
Scottish Govt Suffers Potentially Widening Data Breach at Prosecutor's Office
One Caledonian government agency reported a breach, thanks to a third party that may have serviced other agencies as well.
In Other News: Rapid7 Layoffs, Hacking a Boeing 737, Refrigeration System Vulnerabilities
Noteworthy stories that might have slipped under the radar: government AI platform deal sparks outrage, North Korean IT worker breaches federal agency, DEF CON attendee blamed for Delta flight disruption. The post In Other News: Rapid7 Layoffs, Hacking a Boeing 737, Refrigeration System Vulnerabilities appeared first on SecurityWeek .
Trivy, Not LiteLLM Behind the 2,500 Org Compromise
Over 95% of the affected companies were exposed before the malicious LiteLLM packages were published. The post Trivy, Not LiteLLM Behind the 2,500 Org Compromise appeared first on SecurityWeek .
RingCentral data breach exposed info of 1.6 million accounts
The ShinyHunters extortion group stole personal information from 1.6 million RingCentral accounts after hacking the company in July, according to the data breach notification service Have I Been Pwned. [...]
1.6 Million Likely Impacted by RingCentral Data Breach
The hackers published the allegedly stolen information, including names, addresses, email addresses, and phone numbers. The post 1.6 Million Likely Impacted by RingCentral Data Breach appeared first on SecurityWeek .
Over 1,000 Charities Hit by Beacon CRM Data Breach
The root cause of the incident is believed to be a compromised AWS access key that was exposed in publicly available JavaScript build artifacts. The post Over 1,000 Charities Hit by Beacon CRM Data Breach appeared first on SecurityWeek .
14,000 Trezor Customers Impacted by Data Breach at ShipMonk
Hackers stole the customers’ shipping information, including names, addresses, email addresses, and phone numbers. The post 14,000 Trezor Customers Impacted by Data Breach at ShipMonk appeared first on SecurityWeek .
ThreatsDay: GhostJacking AI Attacks, EtherHiding ClickFix, Cursor CLI Flaw + 17 More Stories
Some weeks have one big security story. Others bring many smaller updates that are easy to miss but still matter. This week has plenty of them, covering cloud services, AI tools, malware, data breaches, scams, and new attack methods.
Hackers breach govt webmail while running parallel crypto fraud
The Jewelbug hacker group has been carrying out espionage operations targeting governments and militaries while also engaging in cryptocurrency fraud. [...]
Trezor discloses data breach affecting nearly 14,000 customers
Hardware wallet manufacturer Trezor disclosed a data breach affecting nearly 14,000 of its customers after ShipMonk, its shipping and logistics provider, was hacked [...]
Malicious LiteLLM Releases Tied to Trivy Hack May Have Exposed 2,100+ Organizations
Two malicious LiteLLM releases sat on PyPI for about 40 minutes in March carrying credential-stealing code capable of harvesting cloud keys, SSH keys, Kubernetes tokens, database passwords, and other secrets from systems that installed them. Threat intelligence firm CloudSEK now says a dataset it obtained, built from roughly 434,000 files the attackers captured, maps potential…
Hackers Breach Polish Power Plant Controls via Private Cellular Network and Shut Turbine
Attackers shut down a steam turbine and the process-water treatment system at a Polish combined heat and power plant by coming in over the private cellular network the local grid operator uses to reach remote equipment. The plant supplies heat to roughly 50,000 residents. Recovery began at about 7:30 a.m.
Hackers breached a small Polish energy plant via private APN last year
Hackers breached a heat-and-power plant facility in Poland, which supplies heat to about 50,000 residents, using a private APN (Access Point Name) to access an OT (Operational Technology) network. [...]
Multistate Water System Attacks Widen, Iran Suspected
Attacks targeting water systems just keep flowing across a dozen states, against ill-secured, Internet-exposed PLCs.
BdThemes plugins supply-chain hack creates rogue WordPress admins
A threat actor compromised the upstream infrastructure of BdThemes, a developer of premium WordPress web-design tools, and modified a remote JSON feed delivered to administrators' browsers to create rogue admin accounts. [...]
New Passkey Attacks Can Recover Synced Private Keys or Bypass Phishing-Resistant MFA
Three separate research efforts last week demonstrated ways to defeat passkey protections without breaking the cryptography they rest on. Passkeys are designed to replace reusable passwords and resist phishing. The attacks instead reused signed authentication material that Windows had exposed, abused a cloud-synced passkey system from malware already on the victim's machine,…
Valve notifies Steam hardware customers of a data breach
Video game publisher and digital distribution giant Valve is notifying Steam hardware customers in Europe that hackers stole their data after hacking its shipping partner, CEVA Logistics. [...]
New CSS Attacks Can Break Webmail Defenses to Steal Passwords and Tokens
New research shows content inside an email can escape its message boundary and interfere with the webmail interface. Across attack chains spanning Outlook, Gmail, Fastmail, Proton Mail, Yahoo Mail, and AOL Mail, the techniques can capture passwords, take over third-party accounts, leak tokens, hijack trusted UI actions, and manipulate AI tools that read email. PortSwigger…
Unlimited Technology Systems breach impacts 3.8 million people
Healthcare software company Unlimited Technology Systems reported that more than 3.8 million people were impacted by a data breach incident that occurred in October 2025. [...]
In Other News: AI Slop Limits Apple Bounties, North Carolina Port Attacks, Hackers Target Wall Street
Noteworthy stories that might have slipped under the radar: ban on Chinese data center tech, QuickFox VPN supply chain attack, IEH Corporation mailbox breached via phishing. The post In Other News: AI Slop Limits Apple Bounties, North Carolina Port Attacks, Hackers Target Wall Street appeared first on SecurityWeek .
Real emails, hijacked payments: Two H1 2026 attack chains
Gen's H1 2026 Threat Report examines two separate attack chains. One used compromised business inboxes and browser manipulation in a banking-malware campaign, while the other used clipboard hijacking to redirect cryptocurrency payments. [...]
Meta AI model hacked a company during misconfigured cyber test
Meta has become the latest AI company to confirm that one of its models hacked a real organization during cybersecurity testing, as similar incidents continue to emerge following OpenAI'sOpenAI's initial disclosure that its agents breached Hugging Face. [...]
How AI Exposed a Browser Security Gap that Enterprises Cannot Ignore
AI did not create a new browser security problem. It exposed one that enterprises have long been able to ignore. Skyhigh Security explains why browsers have become a critical control point for governing data movement, AI interactions, and modern work.
Over 4,400 Rockwell PLCs Exposed Online, 22 Found in Water Attack Cities
Forescout found 22 internet-facing Rockwell Automation programmable logic controllers (PLCs) in cities hit by recent cyberattacks on US water utilities. Nineteen used the same mobile carrier network. Its August 3 scan counted 4,407 exposed Rockwell controllers worldwide, including 2,844 in the United States, but Forescout could not confirm any were compromised.
Snowflake Hacker Pleads Guilty Over Breaches Affecting at Least 100 Million People
Connor Riley Moucka pleaded guilty in Seattle federal court on Wednesday to computer fraud, wire fraud, aggravated identity theft and a related conspiracy over the 2024 breaches of Snowflake customer accounts. The intrusions reached at least 165 organizations and exposed records belonging to at least 100 million people. Moucka, 26, of Kitchener, Ontario, personally took at…
Angola's Largest Telco Breached Hours Before IPO
Unitel, Angola's dominant mobile operator, continues to recover from a cyberattack that caused outages the day of the government-owned telco's public offering.
OpenAI, Anthropic AI agents targeted real people and systems in cyber tests
OpenAI and Anthropic have confirmed that their AI models were involved in separate, newly disclosed third-party cybersecurity testing incidents that resulted in a real website being breached and social engineering attacks against people outside the intended testing boundaries. [...]
New XCSSET variant targets macOS devs via compromised Xcode projects
A new version of the XCSSET malware is targeting thousands of macOS users through compromised Xcode projects and GitHub repositories. [...]
Smoke#Screen RMM Takeover Gambit Exposes Threat Actor Playbook
The attacks use diverse social engineering lures and rotating payloads to deliver ScreenConnect for persistent remote access to compromised networks.
Massive ChainDrop npm supply-chain attack infects hundreds of packages
Self-propagating malware named 'ChainDrop' has compromised more than 1,300 packages with a combined 2 billion monthly downloads on the Node Package Manager (npm) registry. [...]
Some Claude Chats Are Searchable on Google
And it’s personal information (alternate link ): The exposed data includes an AI-powered therapy app that someone appears to have vibe-coded, notes on meetings, and a dashboard someone made apparently to analyze medical billing data. Exposed chats reportedly include private cryptocurrency wallet keys and personal information like peoples’ addresses. What seems to…
Hotel Wi-Fi attacks use custom malware to breach Microsoft 365 accounts
Microsoft has linked a global campaign targeting hospitality Wi-Fi networks to the Russian threat actor Midnight Blizzard, also known as APT29. [...]
New Pass-ta-key attacks let malware hijack Google-synced passkeys
Security researchers have discovered three attacks that allow malware on already-compromised Windows devices to abuse Google Password Manager's synced passkeys to take over accounts, bypass user verification, and extract passkey private keys. [...]
Anthropic: Claude Attacks Result of Security Gaps, Not Model Issues
Last month's incidents in which the AI model breached real-world systems derived from over-permissioning, especially with Internet access.
ExfilSquad hackers leak info of over 100,000 UK police officers, staff
A cyberattack on the U.K.'s Police National Legal Database (PNLD) has compromised contact data of more than 100,000 police officers and other criminal justice professionals. [...]
PNLD Breach Exposes U.K. Police and Government Contact Details on Dark Web
The Police National Legal Database (PNLD) has confirmed that police, government and customer contact information was compromised and published on the dark web. The data included names, organisations and work email addresses belonging to police officers, police staff, criminal justice professionals, government partners and customers. The incident, identified on July 26, also…
Amgen says cloud data breach exposed patient health, proprietary info
Pharmaceutical company Amgen says it suffered a data breach after threat actors stole corporate data and patient information stored in multiple cloud systems operated by third-party service providers. [...]
Online ad firm Adform’s script compromised to steal cryptocurrency
Online advertising firm Adform suffered a supply-chain attack that delivered cryptocurrency-stealing scripts to websites using its ad platform, replacing wallet addresses copied to visitors' clipboards with ones controlled by an attacker. [...]
CISA warns of cyberattacks disrupting U.S. water utilities
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning of a significant increase in attacks targeting internet-exposed programmable logic controllers (PLCs) in the water and wastewater systems sector. [...]
Anthropic Says Claude Mistook the Open Internet for a CTF and Breached Three Organizations
Anthropic on Thursday became the latest artificial intelligence (AI) company to reveal that three of its models, including Claude Opus 4.7, Mythos 5, and an unnamed research model, had breached three unnamed organizations during cybersecurity testing without its knowledge. The AI firm said the earliest incidents date back to April 2026, adding it made the discoveries after…
Anthropic's Claude breached 3 orgs, uploaded PyPI malware during tests
One of Anthropic's Claude models built and uploaded a malicious Python package to PyPI during a botched security evaluation, where it ran on 15 real systems and stole credentials from a security vendor. It was one of three incidents affecting real companies. [...]
South Korea fines telco giant KT $39 million for customer data breach
South Korea's Personal Information Protection Commission (PIPC) has fined telecommunications giant KT Corporation KRW 53.979 billion ($39 million) over data protection violations. [...]
ShinyHunters claims Brinks Home breach, threatens to leak stolen data
Residential security company Brinks Home has disclosed that hackers breached some of its systems and are threatening to leak allegedly stolen data. [...]
Analog Devices discloses data breach, says operations unaffected
American semiconductor company Analog Devices announced that an unauthorized party accessed some of its systems and exfiltrated certain files. [...]
After the Break-In: What Attackers Do Once They're Already Inside
Attackers rarely stop after gaining initial access. Huntress analyzes a real-world intrusion to show how threat actors establish persistence, disable defenses, and reshape compromised systems, and why defenders must investigate the original entry point rather than simply remove the malware. [...]
The Network Has Become the Control Plane for AI Security
Network firewalls are the workhorses of modern cybersecurity. They are trusted to protect the network, blocking malicious traffic and preventing intrusions and breaches. And for decades, network security teams have built controls around a relatively stable model: users connect to applications, applications exchange data, and security tools inspect packets, protocols, and…
OpenAI's Rogue Model Claims More Victims Beyond Hugging Face
OpenAI's goal-seeking agent compromised a Modal customer environment and others during its sandbox escape.
Who's Liable When AI Agents Escape? Hugging Face Breach Raises Hard Questions
Dark Reading walks through the many twists and turns in the bizarre story of how OpenAI's agent AI system broke out of its sandbox and decided to target Hugging Face, and what CISOs should be aware of.
OpenAI agent used exposed credentials at 4 services in Hugging Face breach
In a new update, OpenAI says its AI models also used publicly exposed credentials to compromise accounts on four third-party services during the recent attack on Hugging Face, expanding the scope of the four-day security incident to other organizations. [...]
OpenAI Agent Used Exposed Credentials Across Four Services During Hugging Face Breach
OpenAI on Tuesday revealed the rogue artificial intelligence (AI) agent that escaped its sealed evaluation environment and broke into Hugging Face's production environment also hacked multiple third-party accounts and services as part of the attack. The latest disclosure shows that the security incident, which stemmed from an internal security test, was more extensive in scope…
Two Compromised joyfill npm Packages Run RAT When Imported Into Node.js
Beta release versions of two npm packages in the @joyfill namespace have been compromised to deliver a remote access trojan (RAT) associated with the DEV#POPPER malware family. The list of affected packages is as follows - @joyfill/layouts@0.1.2-2773.beta.0 @joyfill/components@4.0.0-rc24-2773-beta.4 The two packages "contain an import-time JavaScript implant that resolves…
Thousands of Data Center Controllers Open to Takeover
A host of Internet-exposed remote hardware management processors are subject to offline password-cracking attacks — and adversaries have taken note.
24,650 Internet-Exposed BMCs Disclose IPMI Password Hashes Before Login
Cybersecurity researchers have sounded an alert after finding more than 36,000 Baseboard Management Controller (BMC) management interfaces exposing Intelligent Platform Management Interface (IPMI) protocol to the public internet. Of the 36,872 internet-exposed server-management interfaces running IPMI, 24,650 have been found to disclose password-derived authentication hashes…
Data breach at medical billing firm MCBS affects 1.26 million people
Healthcare billing company Medical Computer Business Services (MCBS) has disclosed that a 2025 network breach exposed the sensitive information of more than 1.2 million people. [...]
New Dysphoria DDoS botnet spreads to 200k devices worldwide
A botnet called Dysphoria has compromised around 200,000 devices across the world and is using them for distributed denial of service (DDoS) attacks and traffic relay operations. [...]
Ernst & Young data breach claimed by ShinyHunters extortion gang
The ShinyHunters extortion gang has claimed responsibility for a recently disclosed Ernst & Young data breach, saying it obtained credentials for some of the company's systems via a supply-chain attack. [...]
MedusaHVNC Malware Uses Hidden Windows Desktops to Evade Detection
The malware-as-a-service operation launches legitimate browsers on an invisible desktop, giving attackers persistent and covert remote access to compromised Windows systems. The post MedusaHVNC Malware Uses Hidden Windows Desktops to Evade Detection appeared first on SecurityWeek .
Operation BlueDash Deploys Level RMM and ScreenConnect via Fake Teams Update
Cybersecurity researchers have flagged a Microsoft Teams-themed phishing campaign that employs "secure document" lures to deliver legitimate remote monitoring and management (RMM) tools. "The victim was directed through compromised web infrastructure to a counterfeit Microsoft Store page claiming that Microsoft Teams had to be updated before the shared document could be…
ShinyHunters data leaks fuel $2,000 sextortion email scam
Threat actors are using email addresses exposed in data breaches leaked by the ShinyHunters extortion group to send sextortion emails demanding $2,000 in Bitcoin. [...]
CTM360 Research Reveals How Insurance Phishing Has Evolved Into Real-Time Account Hijacking
For years, phishing campaigns targeting financial institutions followed the same playbook. Victims were tricked into entering usernames and passwords, attackers collected the credentials, and accounts were compromised later when an opportunity arose. That model is changing.
BlueNoroff Zoom Phishing Kit Profiles Crypto Wallets Before Malware Delivery
The North Korean threat actors behind the ClickFix-style campaigns that employ typosquatted Zoom and Microsoft Teams domains have been found to operate an active phishing kit to impersonate the videoconferencing platforms in social engineering campaigns designed to deliver malware. "BlueNoroff has operationalised trust abuse by combining compromised industry contacts, social…
Chick-fil-A data breach affects more than 13,000 customers
Chick-fil-A has confirmed that over 13,000 customers had their accounts breached in a wave of credential stuffing attacks targeting its website and mobile app between June 17 and June 19. [...]
Vatican's Official Prayer App Leaks 700K+ Global Users' PII
A porous API endpoint exposes, names, email addresses, country, and site status, all of which can be easily gleaned by anyone with a browser.
Australian energy provider Origin says data breach exposes client data
Origin Energy has confirmed that an unauthorized party accessed and subsequently leaked customer data online, exposing sensitive personally identifiable information (PII), among others. [...]
China-Nexus JadeProx Uses New TriBack Loader in Government and Healthcare Attacks
An exposed Alibaba Cloud server has revealed a China-nexus operation that Group-IB tracks as JadeProx. The cluster has targeted government, healthcare, and education organizations across Asia and Latin America with a previously undocumented Windows loader called TriBack Loader. Group-IB found the server in mid-April 2026 in Alibaba Cloud's Singapore region; it was offline by…
Attackers Weaponize GitHub Actions Runners to Target cPanel and WHM Servers
Cybersecurity researchers have shed light on a large-scale campaign that has turned compromised GitHub repositories into distributed attack infrastructure designed to target cPanel and WebHost Manager (WHM) instances. The activity involves malicious Packagist development versions spanning 10 packages associated with a legitimate PHP and DevOps developer, dinushchathurya,…
South Korea discloses data breach impacting diplomats worldwide
South Korea disclosed that hackers breached the National Diplomatic Academy's online education system for ten months and stole personal information belonging to current and former employees of the Ministry of Foreign Affairs (MFA), including overseas diplomats. [...]
EU Financial Institutions Leak Data Through Cookie Trackers
European and US banks inadvertently transmitted customer data to ad platforms via tracking pixels, raising serious compliance, security, and privacy concerns.
Chick-fil-A discloses data breach after credential stuffing attacks
American fast food restaurant chain Chick-fil-A is notifying customers of a data breach after their accounts were hacked in a wave of recent credential stuffing attacks. [...]
Microsoft Azure DevOps MCP Flaw Lets Hidden PR Comments Hijack AI Review Agents
A single invisible comment in an Azure DevOps pull request can turn a reviewer's own AI coding agent against them, driving it into projects the attacker has no rights to reach and quietly leaking what it finds. The flaw is in Microsoft's official Azure DevOps MCP server, and it works because one of its tools returns pull request descriptions without a prompt-injection…
Apple Fixes Hide My Email Bug That Exposed Real Addresses in Mail Logs
Apple has moved to address a security flaw in its Hide My Email service that enabled users' real email addresses to be unmasked, effectively undermining the feature's privacy guarantees. 404 Media reported Tuesday that a fix for the issue was deployed by Apple on July 3, 2026, after more than a year, when it was disclosed to the company by Tyler Murphy, co-founder of…
Exposed Server Reveals AI-Assisted Phishing Toolkit Behind WebDAV Malware Campaign
A malware operator left its delivery server wide open, and Rapid7 pulled down the whole toolkit: 1,048 files spanning lure templates, filename-spoofing tests, execution experiments, droppers, builder notes, and two campaign chains. One was already live against Windows users in Mexico, delivering an infostealer through a fake government ID-lookup site over WebDAV. What makes it…
HollowGraph Malware Hides C2 and Stolen Files in Microsoft 365 Events Dated 2050
A newly discovered espionage implant has been using a hijacked Microsoft 365 calendar as its command channel, planting operator instructions and smuggling out stolen files as attachments on calendar events dated to the year 2050. Group-IB, which named the malware HollowGraph, says the approach moves tasking and stolen data through legitimate Microsoft Graph API traffic, so the…