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Patch Tuesday
May 2026 Patch Tuesday forecast: AI starts driving security industry changes

Microsoft May 2026 Patch Tuesday is now live: Many fixes, but no zero-days Project Glasswing. This is one of three major security industry changes I’ll cover today. The …

Claude Firefox
What Mozilla learned running an AI security bug hunting pipeline on Firefox

Over the past several months, Mozilla ran an agentic harness powered by Claude Mythos Preview across Firefox’s source code, identifying 271 security bugs that were fixed …

Firefox
Claude Mythos finds 271 Firefox flaws, Mozilla believes it shifts security toward defenders

The Mozilla Foundation tested Claude Mythos, an Anthropic AI model that has stirred debate in the cybersecurity community. Before granting access to Mythos, Mozilla scanned …

Thunderbird
Thunderbird 150 arrives with encrypted message search and OpenPGP improvements

Released today, Thunderbird 150.0 brings eight new features, a round of bug fixes, and security patches that cover the web engine underlying the email client. Thunderbird …

Mozilla Thunderbolt
Mozilla challenges enterprise AI providers with Thunderbolt, open-source AI client under your control

For organizations that want to keep company data within their own systems and have more control over how AI is deployed, Mozilla is offering an alternative to externally …

Patch Tuesday
April 2026 Patch Tuesday forecast: Spring-cleaning of a preview

I just blinked and the first quarter of the year is GONE. Where does the time go? I looked back at my article from last month where I touched on the use of AI and some of the …

llamafile
Llamafile, Mozilla’s portable LLM runner, gets GPU support and a rebuilt core

Running a large language model on a single machine without cloud access or a container runtime remains a priority for practitioners working in air-gapped or …

Patch Tuesday
March 2026 Patch Tuesday forecast: Is AI security an oxymoron?

Developers and analysts are using more AI tools to produce code and to test both the performance and security of the finished products. They are also embedding AI …

Patch Tuesday
February 2026 Patch Tuesday forecast: Lots of OOB love this month

Valentine’s Day is just around the corner and Microsoft has been giving us a lot of love with a non-stop supply of patches starting with January 2026 Patch Tuesday. The …

patch tuesday
January 2026 Patch Tuesday forecast: And so it continues

Welcome to a new year of my Patch Tuesday forecast blog where I provide a summary of Microsoft and other vendor’s security patch activity (and reported issues) for the month, …

Patch Tuesday
December 2025 Patch Tuesday forecast: And it’s a wrap

It’s hard to believe that we’re in December of 2025 already and the end of the year is fast approaching. Looking back on the year, there are two major items that really stand …

Patch Tuesday
November 2025 Patch Tuesday forecast: Windows Exchange Server EOL?

November 2025 Patch Tuesday is now live: Patch Tuesday: Microsoft fixes actively exploited Windows kernel vulnerability (CVE-2025-62215) October 2025 Patch Tuesday was one for …

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