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Site URL: www.schneier.com/blog
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Posts: 12
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LLMs and Contextual Integrity
https://www.schneier.com/blog/archives/2026/08/llms-and-contextual-integrity.html
Published: August 18, 2026 10:40
I have been thinking a lot about AI and integrity. Part of that is contextual integrity. I recently found two papers on the topic. “CIMemories: A Compositional Benchmark for Contextual Integrity of Persistent Memory in LLMs“: Abstract: Large Language…
Hacking Public Wi-Fi DNS to Steal Credentials
https://www.schneier.com/blog/archives/2026/08/hacking-public-wi-fi-dns-to-steal-credentials.html
Published: August 17, 2026 11:18
Criminals are hacking into public Wi-Fi devices—at hotels, conference centers, and so on—around the world and changing their DNS settings. The goal is to redirect users to fake login pages and steal their credentials.
Friday Squid Blogging: Searching for the Colossal Squid
Published: August 14, 2026 21:01
Fascinating video about searching for life undersea. The video basically makes the point that our bright white searchlights are scaring everything away, and that red light is more neutral. That, plus bait to attract sea creatures, is teaching us a lot…
Upcoming Speaking Engagements
https://www.schneier.com/blog/archives/2026/08/upcoming-speaking-engagements-59.html
Published: August 14, 2026 16:01
This is a current list of where and when I am scheduled to speak: I’m speaking, signing books, and participating in panel discussions at LAcon V in Anaheim, California, USA. My full schedule is here. I’m speaking online (via Zoom) at a League of Women…
If the Markets Reject OpenAI and Anthropic, the US Should Nationalize Them
Published: August 14, 2026 11:03
This essay was written with Nathan E. Sanders, and originally appeared in The Guardian. OpenAI, and then Anthropic, were each formed by AI developers who feared unrestrained corporate AI development—specifically, that companies like Google and Meta would…
Separating AI’s Technological Problems from Its Capitalism Problems
Published: August 13, 2026 11:07
This essay was written with Nathan E. Sanders, and originally appeared in Tech Policy Press. AI represents the first time we humans can do cognitive work outside of our bodies at scale. The only comparable moment is the early years of the industrial…
Prompt Injections for Defense
https://www.schneier.com/blog/archives/2026/08/prompt-injections-for-defense.html
Published: August 12, 2026 09:56
This seems to work: Researchers from Tracebit on Monday said they found that placing prompt injections alongside passwords, cryptographic keys, and other secrets stored on Amazon Web Services was often all that was needed to shut down attacks from AI…
AI Genie in the Wild
https://www.schneier.com/blog/archives/2026/08/ai-genie-in-the-wild.html
Published: August 11, 2026 15:55
When I give talks about AI genies, I use this sort of example as a hypothetical. It’s happened. The story is from Australia. Someone named Andrew tasked OpenClaw to book gym classes for him. And…. Minutes later, his AI agent reported it had discovered a…
AI for Military Support
https://www.schneier.com/blog/archives/2026/08/ai-for-military-support.html
Published: August 11, 2026 11:18
Interesting empirical research: “Black Box Warfare: Human Judgment and Military Decision-Making in the Age of AI.” Abstract: How is AI transforming decision-making in modern conflict? This study provides a unique empirical window into that question by…
Python Now Has a Post-Quantum Encryption Library
https://www.schneier.com/blog/archives/2026/08/python-now-has-a-post-quantum-encryption-library.html
Published: August 10, 2026 11:02
This is good: Post-quantum cryptography is now one pip-install away for the entire Python ecosystem. With funding from the Sovereign Tech Agency, we implemented support for ML-KEM, the NIST-standard key-establishment primitive, and ML-DSA, the…
Friday Squid Blogging: Arctic Bobtail Squid Video
https://www.schneier.com/blog/archives/2026/08/friday-squid-blogging-arctic-bobtail-squid-video.html
Published: August 7, 2026 21:07
Nice video of the Arctic bobtail squid. As usual, you can also use this squid post to talk about the security stories in the news that I haven’t covered. Blog moderation policy.
ICE Is Buying Access to Credit Card Records
https://www.schneier.com/blog/archives/2026/08/ice-is-buying-access-to-credit-card-records.html
Published: August 7, 2026 10:26
Through data brokers, ICE is buying the information you provided to open a credit card.