Microsoft, Salesforce Patch AI Agent Data Leak Flaws
Two recently fixed prompt injections in Salesforce Agentforce and Microsoft Copilot would have enabled an external attacker to leak sensitive data.
Microsoft: April updates trigger BitLocker key prompts on some servers
Microsoft confirmed on Tuesday that some Windows Server 2025 devices will boot into BitLocker recovery after installing the April 2026 KB5082063 Windows security update. [...]
Two Vulnerabilities Patched in Ivanti Neurons for ITSM
The flaws could allow a remote attacker to maintain access after their account has been disabled and to access information from other user sessions. The post Two Vulnerabilities Patched in Ivanti Neurons for ITSM appeared first on SecurityWeek .
$10 Domain Could Have Handed Hackers 25k Endpoints, Including in OT and Gov Networks
Researchers found adware capable of killing cybersecurity products and pushing more dangerous payloads to infected systems. The post $10 Domain Could Have Handed Hackers 25k Endpoints, Including in OT and Gov Networks appeared first on SecurityWeek .
Defense in Depth, Medieval Style
This article on the walls of Constantinople is fascinating. The system comprised four defensive lines arranged in formidable layers: The brick-lined ditch, divided by bulkheads and often flooded, 1520 meters wide and up to 7 meters deep. A low breastwork, about 2 meters high, enabling defenders to fire freely from behind.
Trump Urges Extending Foreign Surveillance Program as Some Lawmakers Push for US Privacy Protections
Congress is set to take up the reauthorization of a divisive program that lets U.S. spy agencies pore over foreigners’ calls, texts and emails. The post Trump Urges Extending Foreign Surveillance Program as Some Lawmakers Push for US Privacy Protections appeared first on SecurityWeek .
Microsoft fixes bug behind Windows Server 2025 automatic upgrades
Microsoft has finally fixed a known issue that was causing systems running Windows Server 2019 and 2022 to "unexpectedly" upgrade to Windows Server 2025. [...]
Fortinet Patches Critical FortiSandbox Vulnerabilities
The flaws could allow attackers to bypass authentication or execute arbitrary code or commands via HTTP requests. The post Fortinet Patches Critical FortiSandbox Vulnerabilities appeared first on SecurityWeek .
Microsoft Issues Patches for SharePoint Zero-Day and 168 Other New Vulnerabilities
Microsoft on Tuesday released updates to address a record 169 security flaws across its product portfolio, including one vulnerability that has been actively exploited in the wild. Of these 169 vulnerabilities, 157 are rated Important, eight are rated Critical, three are rated Moderate, and one is rated Low in severity. Ninety-three of…
ICS Patch Tuesday: 8 Industrial Giants Publish New Security Advisories
Siemens, Schneider Electric, Aveva, Rockwell Automation, ABB, Phoenix Contact, Mitsubishi Electric, and Moxa patched vulnerabilities. The post ICS Patch Tuesday: 8 Industrial Giants Publish New Security Advisories appeared first on SecurityWeek .
OpenAI Launches GPT-5.4-Cyber with Expanded Access for Security Teams
OpenAI on Tuesday unveiled GPT-5.4-Cyber, a variant of its latest flagship model, GPT‑5.4, that's specifically optimized for defensive cybersecurity use cases, days after rival Anthropic unveiled its own frontier model, Mythos. "The progressive use of AI accelerates defenders – those responsible for keeping systems, data, and users safe – enabling them to find…
Microsoft Bets $10 Billion to Boost Japan's AI, Cybersecurity
The deal aims to accelerate AI adoption, train workers, and develop cybersecurity partnerships — the latest move by a hyperscaler to compete for sovereign AI and data centers.
Microsoft adds Windows protections for malicious Remote Desktop files
Microsoft has introduced new Windows protections to defend against phishing attacks that abuse Remote Desktop connection (.rdp) files, adding warnings and disabling risky shared resources by default. [...]
Crypto-exchange Kraken extorted by hackers after insider breach
The Kraken cryptocurrency exchange announced that a cybercrime group is trying to extort the company by threatening to release videos showing internal systems that host client data. [...]
Patch Tuesday, April 2026 Edition
Microsoft today pushed software updates to fix a staggering 167 security vulnerabilities in its Windows operating systems and related software, including a SharePoint Server zero-day and a publicly disclosed weakness in Windows Defender dubbed "BlueHammer." Separately, Google Chrome fixed its fourth zero-day of 2026, and an emergency update for Adobe Reader nixes an actively…
Privilege Elevation Dominates Massive Microsoft Patch Update
Elevation-of-privilege bugs accounted for more than half of the 165 vulnerabilities patched, with two zero-days in that mix.
Over 100 Chrome Web Store extensions steal user accounts, data
More than 100 malicious extensions in the official Chrome Web Store are attempting to steal Google OAuth2 Bearer tokens, deploy backdoors, and carry out ad fraud. [...]
EDR-Killer Ecosystem Expansion Requires Stronger BYOVD Defenses
Stopping EDR killers, which employ bring-your-own-vulnerable-driver (BYOVD) attack techniques, is difficult, but not impossible.
Microsoft Patches Exploited SharePoint Zero-Day and 160 Other Vulnerabilities
Experts say this is the second-largest Microsoft Patch Tuesday ever based on CVE count. The post Microsoft Patches Exploited SharePoint Zero-Day and 160 Other Vulnerabilities appeared first on SecurityWeek .
Microsoft releases Windows 10 KB5082200 extended security update
Microsoft has released the Windows 10 KB5082200 extended security update to fix the April 2026 Patch Tuesday vulnerabilities, including 2 zero-days. [...]
McGraw-Hill confirms data breach following extortion threat
Education company McGraw-Hill has confirmed in a statement to BleepingComputer that hackers exploited a Salesforce misconfiguration and accessed its internal data. [...]
Windows 11 cumulative updates KB5083769 & KB5082052 released
Microsoft has released Windows 11 KB5083769 and KB5082052 cumulative updates for versions 25H2/24H2 and 23H2 to fix security vulnerabilities, bugs, and add new features. [...]
Microsoft April 2026 Patch Tuesday fixes 167 flaws, 2 zero-days
Today is Microsoft's April 2026 Patch Tuesday with security updates for 167 flaws, including 2 zero-day vulnerabilities. [...]
Adobe Patches 55 Vulnerabilities Across 11 Products
Critical ColdFusion vulnerabilities are the most at risk of being exploited in attacks, according to the software giant. The post Adobe Patches 55 Vulnerabilities Across 11 Products appeared first on SecurityWeek .
Fake Ledger Live app on Apple’s App Store stole $9.5M in crypto
A malicious Ledger Live app for macOS available from Apple's App Store has drained approximately $9.5 million in cryptocurrency from 50 victims in just a few days this month. [...]
War Game Exercise Demonstrates How Social Media Manipulation Works
In an educational game called "Capture the Narrative," students created bots to sway a fictional election, simulating influence in real-world political scenarios.
Upcoming Speaking Engagements
This is a current list of where and when I am scheduled to speak: I’m speaking at DemocracyXChange 2026 in Toronto, Ontario, Canada, on April 18, 2026. I’m speaking at the SANS AI Cybersecurity Summit 2026 in Arlington, Virginia, USA, at 9:40 AM ET on April 20, 2026. I’m speaking at the Greater Good Gathering in New York City, USA, on Tuesday, April 21, 2026.
New PHP Composer Flaws Enable Arbitrary Command Execution — Patches Released
Two high-severity security vulnerabilities have been disclosed in Composer, a package manager for PHP, that, if successfully exploited, could result in arbitrary command execution. The vulnerabilities have been described as command injection flaws affecting the Perforce VCS (version control software) driver. Details of the two flaws are below -…
Microsoft rolls out fast-track to reinstate Windows hardware dev accounts
Microsoft has rolled out a fast-track process to help developers regain access to accounts recently suspended from its Windows Hardware Program, following widespread complaints that they were locked out without warning. [...]
Google Adds Rust-Based DNS Parser into Pixel 10 Modem to Enhance Security
Google has announced the integration of a Rust-based Domain Name System (DNS) parser into the modem firmware as part of its ongoing efforts to beef up the security of Pixel devices and push memory-safe code at a more foundational level. "The new Rust-based DNS parser significantly reduces our security risk by mitigating an entire class of vulnerabilities in a risky area,…
AI-Driven Pushpaganda Scam Exploits Google Discover to Spread Scareware and Ad Fraud
Cybersecurity researchers have unmasked a novel ad fraud scheme that has been found to leverage search engine poisoning (SEO) techniques and artificial intelligence (AI)-generated content to push deceptive news stories into Google's Discover feed and trick users into enabling persistent browser notifications that lead to scareware and financial scams. The…
5 Ways Zero Trust Maximizes Identity Security
Stolen credentials remain a top breach vector, often leading to unchecked privilege escalation. Specops explains how identity-first Zero Trust limits access, enforces device trust, and blocks lateral movement. [...]
‘Mythos-Ready’ Security: CSA Urges CISOs to Prepare for Accelerated AI Threats
CISOs face a shrinking window to prepare as AI models like Mythos collapse the gap between vulnerability discovery and exploitation, driving a new era of high-velocity cyberattacks. The post ‘Mythos-Ready’ Security: CSA Urges CISOs to Prepare for Accelerated AI Threats appeared first on SecurityWeek .
Europe’s Largest Gym Chain Says Data Breach Impacts 1 Million Members
Basic-Fit has reported that hackers have stolen names, dates of birth, and even bank account details. The post Europe’s Largest Gym Chain Says Data Breach Impacts 1 Million Members appeared first on SecurityWeek .
SAP Patches Critical ABAP Vulnerability
The company has released 19 new security notes addressing flaws in over a dozen enterprise products. The post SAP Patches Critical ABAP Vulnerability appeared first on SecurityWeek .
How Hackers Are Thinking About AI
Interesting paper: “ What hackers talk about when they talk about AI: Early-stage diffusion of a cybercrime innovation. ” Abstract: The rapid expansion of artificial intelligence (AI) is raising concerns about its potential to transform cybercrime. Beyond empowering novice offenders, AI stands to intensify the scale and sophistication of attacks by seasoned…
Mirax Android RAT Turns Devices into SOCKS5 Proxies, Reaching 220,000 via Meta Ads
A nascent Android remote access trojan called Mirax has been observed actively targeting Spanish-speaking countries, with campaigns reaching more than 220,000 accounts on Facebook, Instagram, Messenger, and Threads through advertisements on Meta. "Mirax integrates advanced Remote Access Trojan (RAT) capabilities, allowing threat actors to fully interact with…
Analysis of 216M Security Findings Shows a 4x Increase In Critical Risk (2026 Report)
OX Security recently analyzed 216 million security findings across 250 organizations over a 90-day period. The primary takeaway: while raw alert volume grew by 52% year-over-year, prioritized critical risk grew by nearly 400%. The surge in AI-assisted development is creating a "velocity gap" where the density of high-impact vulnerabilities is scaling…
108 Malicious Chrome Extensions Steal Google and Telegram Data, Affecting 20,000 Users
Cybersecurity researchers have discovered a new campaign in which a cluster of 108 Google Chrome extensions has been found to communicate with the same command-and-control (C2) infrastructure with the goal of collecting user data and enabling browser-level abuse by injecting ads and arbitrary JavaScript code into every web page visited. According to Socket, the extensions…