A security researcher published details of three security vulnerabilities in Windows Defender, and the code used to exploit them. Now, hackers are taking advantage of the vulnerabilities in real life attacks,

Another Anthropic blunder? Reports say a small unauthorized group accessed the secret Mythos AI cybersecurity tool. That tool is built to detect vulnerabilities and simulate advanced cyberattacks. Access was not meant for public use.

A group of hackers used both Claude Code and ChatGPT in a cybersecurity hack that lasted two and a half months.

Mozilla CTO says "Defenders finally have a chance to win."

With new systems from companies like Anthropic and OpenAI, hackers can attack with greater speed. The defense is more A.I.

A joint advisory by U.S. federal agencies warns of Iranian-affiliated cyber attacks on critical infrastructure, including energy, water, and government sectors.

The buzz around AI model Mythos and its power to outsmart cybersecurity defenses is alarming companies and vendors already struggling to fend off existing threats.

Businesses need to prepare for large-scale cyberattacks as nation states are now behind the most serious incidents, according to a top security official.

The U.K.’s NCSC warns that Russian hackers linked to the country’s GRU Military Intelligence Unit are using compromised routers for DNS hijacking to enable credential theft.

The most serious cyberattacks in the U.K. are now carried out by hostile nations including Russia, Iran and China, the head of the U.K.’s National Cyber Security Centre (NCSC) said in a speech

It's not clear how many people were compromised by this hacking campaign, but a security researcher said the hackers were targeting victims since at least November 2025.