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Aggregated from vendor advisories, security research, and industry publications.

Schneier on Security

Friday Squid Blogging: I Caught a Squid

On Wednesday I spent a day fishing, on a small boat out of Gloucester, MA. We caught many cod (none of which we could keep), and a bunch of hake and mackerel (all of which we could keep). And…I caught a squid! Near as I can tell, it’s a longfin squid, sometimes called a Boston squid (Doryteuthis (Amerigo) pealeii). That night I cooked it over a barbecue grill—hot and fast. Delicious.

Schneier on Security

Backdooring Open-Weight AI Models

This is a problem: Any open model whose weights have been edited can carry a backdoor, whether it’s a task-specific fine-tune, a merged adapter or an abliterated build. We have abl…

Schneier on Security

Measuring Human Cryptanalysis Effort

Matthew Green has a new site that tries to estimate the number of cryptanalyst-hours that have been spent analyzing different public-key algorithms: Abstract: We estimate how much …

Schneier on Security

Upcoming Speaking Engagements

This is a current list of where and when I am scheduled to speak: I’m speaking at ATTENTION: Democracy, Rebuilt in Montreal, Quebec, Canada. The event runs October 21–23, 2026, an…

Schneier on Security

The Future of AI Cryptanalysis

Matthew Green has been writing a rather pessimistic series of posts about the potential for AI systems to vastly outperform humans in cryptanalysis of both symmetric and public-key…

Krebs on Security

U.K. Sanctions Cryptomus for RU Money Laundering

The United Kingdom has issued economic sanctions against Cryptomus, a chameleonic cryptocurrency platform that experts say serves as a major conduit for payments related to ransomw…

Schneier on Security

Cyberattack on Connected Fridges in France

Another IoT cyberattack, this one in France: Hackers gained control of the software that regulates the temperatures of the refrigeration units, forcing some to warm to 50C (120F) o…

Krebs on Security

Microsoft Patches More Than 1,400 Security Flaws

Microsoft today issued updates to fix more than 1,400 security vulnerabilities in its Windows operating systems and other software. Today's epic patch batch dwarfs September's reco…

Schneier on Security

FBI Arrests Suspect in FBI-Hacking Case

In September, hackers from a group called ShinyHunters announced that they stole a trove of FBI data about its own agents. It was an intelligence disaster. Last week, the FBI arres…

Schneier on Security

Apple’s Verified Photography System

Apple just released a system called “Reference Image.” It can verify the image is exactly as taken by an iPhone—new models only—without tying it to a specific iPhone or photographe…

Schneier on Security

Unidentified Flock Cameras in Florida

St. Lucie County in Florida discovered (alt link) a dozen Flock cameras whose ownership it can’t identify, and that the county government had not permitted. I am reminded of the de…

Schneier on Security

Connected Cars Are a Surveillance Platform

Researchers at Northeastern University, in collaboration with Consumer Reports, evaluated how much modern cars spy in their drivers: The new Northeastern study shows, for the first…

Schneier on Security

I Want Better Reporting on AI Genie Behavior

AI systems are regularly completing tasks in ways that their prompters don’t want or intend. Some of them are disturbing, and some of them are dangerous. This is something I’ve bee…

Schneier on Security

New Attack Against RSA

ArsTechnica is reporting on a “new” attack against RSA, one that bypasses factoring. First, this attack isn’t new. The original research is from 2007. What is new is the implementa…

Schneier on Security

On Anthropic’s AI Misuse Report

Earlier this month, Anthropic published a long report detailing all of the Claude misuses it detected. Daniel Meissler usefully summarized the report into 117 findings. A few of th…

Schneier on Security

Research on Models Engaging in Genie-Like Behavior

New paper: “Self-Jailbreaking: Language Models Can Reason Themselves Out of Safety Alignment After Benign Reasoning Training.” Abstract: We discover a novel and surprising phenomen…

Schneier on Security

GPT-6 Astra Breaks an Old Enigma Message

This is pretty amazing: However, the most astonishing thing about this break is that the GPT­6 Astra did it entirely on its own. Carter Leffer only directed GPT­6 Astra to see if i…

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