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...

PT-2026-33765

https://t.co/4bpvciSJjS CVE-2026-39533 WordPress plugin vulnerability another-wordpress-classifieds-plugin cybersecurity wordpressfirewall wordpresssecurity hack…...

PT-2026-33764

Name of the Vulnerable Software and Affected Versions Simply Schedule Appointments versions prior to 1.6.9.28 Description An unauthenticated SQL Injection exists in the software, allowing an attacker to execute arbitrary SQL queries without needing to log in. SQL Injection is a technique where...

WordPress Website LLMs.txt plugin <= 8.2.6 - Reflected Cross-Site Scripting vulnerability

Reflected Cross-Site Scripting vulnerability discovered by Kazuma Matsumoto - GMO Cybersecurity by IERAE, Inc. in WordPress Plugin Website LLMs.txt versions = 8.2.6...

A Novel Quantum Augmented Framework to Improve Microgrid Cybersecurity

Small modular nuclear reactors SMRs are redefining the energy generation landscape by enabling the deployment of modular, scalable, and pre-built power units that can be used to build distributed autonomous microgrids for critical infrastructure and burgeoning AI factories. Often, these microgrid...

Cybersecurity Risks of Hiring a Virtual Assistant and How to Protect Your Business

Virtual assistants boost productivity but add cybersecurity risks. Poor access control, weak devices, and credential sharing can expose sensitive business data...

More than pretty pictures: Wendy Bishop on visual storytelling in tech

In this episode of Humans of Talos, Amy sits down with Wendy Bishop, Head of Creative, to explore the vital role of design in the world of cybersecurity. From her early beginnings in web design and journalism to leading the creative vision for Talos, Wendy shares the unique challenges and rewards...

PT-2026-33360

Name of the Vulnerable Software and Affected Versions DataEase versions prior to 2.10.21 Description A JDBC parameter blocklist bypass exists in the MySQL datasource configuration. The Mysql class utilizes the Lombok @Data annotation, which automatically generates a public setter for the...

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...

In the Wake of Anthropic’s Mythos, OpenAI Has a New Cybersecurity Model—and Strategy

OpenAI says its safeguards “sufficiently reduce cyber risk” for now, while GPT-5.4-Cyber is a new cybersecurity-focused model...

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...

Your Cloud Detection Strategy in 2026: What to Expect at the Global Cybersecurity Summit

Cloud environments have changed how security teams detect and respond to threats. Signals come from more places, identities are harder to track, and attacks rarely stay within a single system. For many teams, the challenge is no longer visibility. It is having the risk context to understand what...

Microsoft PowerShell 输入验证错误漏洞

Microsoft PowerShell is a Microsoft-developed cross-platform task automation solution that includes a command-line shell, scripting language, and configuration management framework. An elevation of privilege vulnerability exists in Microsoft PowerShell, which is caused by incorrect input validati...

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...

ChatGPT, Is This Real? the Influence of Generative AI on Writing Style in Top-Tier Cybersecurity Papers

With the release of ChatGPT in 2022, generative AI has significantly lowered the cost of polishing and rewriting text. Due to its widespread usage, conference organizers instated specific requirements researchers need to adhere to when using GenAI. When asked to rewrite text, GenAI can introduce...

Like a Hammer, It Can Build, It Can Break: Large Language Model Uses, Perceptions, and Adoption in Cybersecurity Operations on Reddit

Large language models LLMs have recently emerged as promising tools for augmenting Security Operations Center SOC workflows, with vendors increasingly marketing autonomous AI solutions for SOCs. However, there remains a limited empirical understanding of how such tools are used, perceived, and...

cybersentinel-agent

CyberSentinel Agent Defensive cybersecurity agent framework w...

Cybersecurity Risk Assessment: The Complete Guide for Security Leaders

Most security teams treat risk assessments as a compliance checkbox, a periodic exercise that generates a thick report, collects dust for six months, and then gets repeated. The result? Organizations discover their biggest exposures only after an incident, not before. A cybersecurity risk...

PT-2026-31710

Name of the Vulnerable Software and Affected Versions WishList Member X versions prior to 3.29.1 Description A flaw allows users with subscriber privileges to perform arbitrary file uploads. This occurs when the application fails to properly validate files uploaded by users with low-level...

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...