Disneyland Now Uses Face Recognition on Visitors

Plus: The NSA tests Anthropic’s Mythos Preview to find vulnerabilities, a Finnish teen is charged over the Scattered Spider hacking spree, and more...

Handling the Vulnerability Surge in the Post-Mythos Era

How to Operationalize Hyper-Prioritization and Autonomous Remediation with Qualys Executive Summary The Mythos era, defined by a surge of AI-driven vulnerabilities from frontier models like Anthropic 's Claude Mythos, requires security teams to fundamentally move from manual to an autonomous...

Claude Mythos Has Found 271 Zero-Days in Firefox

That's a lot. No, it's an extraordinary number: Since February, the Firefox team has been working around the clock using frontier AI models to find and fix latent security vulnerabilities in the browser. We wrote previously about our collaboration with Anthropic to scan Firefox with Opus 4.6, whi...

What Anthropic’s Mythos Means for the Future of Cybersecurity

Two weeks ago, Anthropic announced that its new model, Claude Mythos Preview, can autonomously find and weaponize software vulnerabilities, turning them into working exploits without expert guidance. These were vulnerabilities in key software like operating systems and internet infrastructure tha...

After Mythos: New Playbooks For a Zero-Window Era

When patching isn’t fast enough, NDR helps contain the next era of threats. If you’ve been tracking advancements in AI, you know the exploit window, the short buffer that organizations relied on to patch and protect after a vulnerability disclosure, is closing fast. Anthropic’s new model, Claude...

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 system capable of identifying vulnerabilities at scale and raising serious questions about how quickly organizations can validate,...

A week in security (April 20 – April 26)

Last week on Malwarebytes Labs: Medical data of 500,000 UK volunteers listed for sale on Alibaba How cyberattacks on companies affect everyone Apple fixes iOS bug that kept deleted notifications, including chat previews Roblox clamps down on chats and age checks as legal pressure builds Malicious...

Discord Sleuths Gained Unauthorized Access to Anthropic’s Mythos

Plus: Spy firms tap into a global telecom weakness to track targets, 500,000 UK health records go up for sale on Alibaba, Apple patches a revealing notification bug, and more...

[Webinar] Mythos Reality Check: Beating Automated Exploitation at AI Speed

Imagine a world where hackers don't sleep, don't take breaks, and find weak spots in your systems instantly. Well, that world is already here. Thanks to AI, attackers are now launching automated, large-scale exploits faster than ever before. The time you have to fix a vulnerability before it gets...

Project Glasswing Proved AI Can Find the Bugs. Who's Going to Fix Them?

Last week, Anthropic announced Project Glasswing, an AI model so effective at discovering software vulnerabilities that they took the extraordinary step of postponing its public release. Instead, the company has given access to Apple, Microsoft, Google, Amazon, and a coalition of others to find a...

PT-2026-34832

Critical vulnerability in Anthropic Mythos and reported NSA adoption CVE-2026-21841 https://t.co/ZwHNBc0RF8 machinelearning ai...

Discord-Linked Group Accessed Anthropic’s Claude Mythos AI in Vendor Breach

Anthropic is investigating a vendor breach after a Discord-linked group accessed its Claude Mythos AI model, with no evidence of impact on core systems...

AI-powered defense for an AI-accelerated threat landscape

We are at an inflection point in cybersecurity. Recent advances in AI model capabilities are changing how vulnerabilities are discovered and exploited. AI models can autonomously discover weaknesses, chain multiple lower-severity issues into working end-to-end exploits, and produce working...

Mozilla Used Anthropic’s Mythos to Find and Fix 271 Bugs in Firefox

The Firefox team doesn’t think emerging AI capabilities will upend cybersecurity long term, but they warn that software developers are likely in for a rocky transition...

Mythos: An AI tool too powerful for public release

Anthropic’s most capable model to date, Claude Mythos Preview aka Mythos, has been described as a “step change” in AI performance, especially on cybersecurity tasks. Anthropic tried to keep Mythos a secret until a few weeks ago, when a data leak revealed the existence of what the company said was...

Mythos and Cybersecurity

Last week, Anthropic pulled back the curtain on Claude Mythos Preview, an AI model so capable at finding and exploiting software vulnerabilities that the company decided it was too dangerous to release to the public. Instead, access has been restricted to roughly 50 organizations--Microsoft, Appl...

Anthropic Mythos: Separating Signal from Hype

The recent buzz around Anthropic’s Mythos model has been intense, and for good reason. Early reports suggest a model that significantly advances automated reasoning over large codebases, vulnerability discovery, and exploit generation. Some are already calling it a “game changer” for offensive...

On Anthropic’s Mythos Preview and Project Glasswing

The cybersecurity industry is obsessing over Anthropic's new model, Claude Mythos Preview, and its effects on cybersecurity. Anthropic said that it is not releasing it to the general public because of its cyberattack capabilities, and has launched Project Glasswing to run the model against a whol...

Anthropic’s Mythos Will Force a Cybersecurity Reckoning—Just Not the One You Think

The new AI model is being heralded—and feared—as a hacker’s superweapon. Experts say its arrival is a wake-up call for developers who have long made security an afterthought...

Anthropic's Claude Mythos Finds Thousands of Zero-Day Flaws Across Major Systems

Artificial Intelligence AI company Anthropic announced a new cybersecurity initiative called Project Glasswing that will use a preview version of its new frontier model, Claude Mythos , to find and address security vulnerabilities. The model will be used by a small set of organizations, including...