Claude Mythos 5 Tried to Backdoor a Real Open-Source Project in Testing, Then Vouched for Itself
An agent running Anthropic's Claude Mythos 5 spent 34 hours trying to get a malware dropper merged into a real...
Mythos
Claude AI Just Cracked a Post-Quantum Test Scheme and Found a Faster 7-Round AES Attack
Anthropic says Claude Mythos Preview helped derive an end-to-end key-recovery attack against HAWK-256 and a 200- to 800-fold speedup for...
Mythos Didn’t Break Your Security Program. Your Exposure Window Could.
The industry spent the initial months after Anthropic's April 7 Mythos reveal focused on volume. How many new CVEs would...
Anthropic’s Mythos AI Reportedly Enters NSA Offensive Cyber Planning
Anthropic is reportedly working with the National Security Agency to deploy its cyber AI model, Mythos, into the agency’s offensive...
The Hardest Fork
Mythos is real. I know a big chunk of the industry thinks it's a marketing stunt, and I get why....
Report: Anthropic Deploys Engineers to Support NSA Use of Mythos
Report: Anthropic Deploys Engineers to Support NSA Use of Mythos Pierluigi Paganini June 06, 2026 Reports claim Anthropic engineers are...
macOS Kernel Memory Corruption Exploit
macOS Kernel Memory Corruption Exploit A group used Anthropic’s Mythos AI model to help find a kernel memory corruption vulnerability...
How Dangerous Is Anthropic’s Mythos AI?
How Dangerous Is Anthropic’s Mythos AI? Last month, Anthropic made a remarkable announcement about its new model, Claude Mythos Preview:...
Sophos Endpoint Mythos AI
When Mozilla shipped Firefox 150 with fixes for 271 issues identified by Anthropic’s Mythos model, the headlines focused on the...
AI Zero Days Sophos Endpoint
Anthropic released the Claude Mythos Preview to a small set of partners and briefed the U.S. government ahead of the...
How Mythos Signals Cybersecurity Disruption
The post How Mythos Signals Cybersecurity Disruption appeared first on Information Security Strategy. What is Mythos Mythos is Anthropic’s latest AI...
Claude Mythos Fears Startle Japan’s Financial Services Sector
While the world waits to see if Anthropic's Mythos model is really as scary as people say it is, the...
Claude Mythos Has Found 271 Zero-Days in Firefox
Claude Mythos Has Found 271 Zero-Days in Firefox That’s a lot. No, it’s an extraordinary number: Since February, the Firefox...
What Anthropic’s Mythos Means for the Future of Cybersecurity
What Anthropic’s Mythos Means for the Future of Cybersecurity Two weeks ago, Anthropic announced that its new model, Claude Mythos...
Mythos Changed the Math on Vulnerability Discovery. Most Teams Aren’t Ready for the Remediation Side
Anthropic’s Claude Mythos Preview has dominated security discussions since its April 7 announcement. Early reporting describes a powerful cybersecurity-focused AI...
