IBM security advisory (AV26-438)

Dell security advisory (AV26-439)

Ubuntu security advisory (AV26-440)

[Control systems] CISA ICS security advisories (AV26–441)

Red Hat security advisory (AV26-442)

Spring security advisory (AV26-443)

Broadcom VMware security advisory (AV26-444)

JetBrains security advisory (AV26-445)

Apple security advisory (AV26-446)

SAP security advisory – May 2026 monthly rollup (AV26-447)

[Control systems] Siemens security advisory (AV26-448)

[Control systems] Schneider Electric security advisory (AV26-449)

Ivanti security advisory (AV26-450)

Mozilla security advisory (AV26-451)

Adobe security advisory (AV26-452)

Intel security advisory (AV26-453)

Fortinet security advisory (AV26-454)

AMD security advisory (AV26-455)

Microsoft security advisory – May 2026 monthly rollup (AV26-456)

The UK’s AI Security Institute evaluated GPT-5.5’s ability to find security vulnerabilities, and found that it is comparable to Claude Mythos. Note that the OpenAI model is generally available....

Microsoft has fixed a Windows Autopatch bug that caused driver updates restricted by administrative policies to be deployed on some Autopatch-managed Windows devices in the European Union. [...]

Philippe shares his unique journey from French engineering school to the front lines of cybersecurity, explaining how his lifelong love for solving puzzles helps him uncover critical security...

Honey traps, attacks inspired by Russian espionage, and Iran’s expanding cyber arsenal

Find out how data center operators can protect critical building-management systems and cyber-physical infrastructure from AI-powered threats, as well as comply with evolving regulations.Key...

Foxconn, the world's largest electronics manufacturer, says some of its North American factories are now working to resume normal operations after a cyberattack. [...]

Attackers can compromise systems in minutes while patching and response still take hours or days. Picus Security breaks down why autonomous validation is becoming critical for modern defense...

Where it’s been well and truly forked, seemingly without Microsoft’s code locker noticing

Microsoft says some customers are experiencing issues downloading and installing Office on their Windows 365 devices. [...]

A ransomware group is attempting to extort the electronics manufacturing giant Foxconn, claiming that it stole 8 terabytes of data from the company, including schematics and project details from...

In April 2026, Canada Life was the victim of a "pay or leak" extortion campaign by the ShinyHunters group. The group subsequently published the data which contained over 200k unique email...