Once. Someone named “Vincenzo lozzo” wrote to Epstein in email, in 2016: “I wouldn’t pay too much attention to this, Schneier has a long tradition of dramatizing and misunderstanding things.” The topic of the email is DDoS attacks, and it…
Category: Schneier on Security
iPhone Lockdown Mode Protects Washington Post Reporter
404Media is reporting that the FBI could not access a reporter’s iPhone because it had Lockdown Mode enabled: The court record shows what devices and data the FBI was able to ultimately access, and which devices it could not, after…
Backdoor in Notepad++
Hackers associated with the Chinese government used a Trojaned version of Notepad++ to deliver malware to selected users. Notepad++ said that officials with the unnamed provider hosting the update infrastructure consulted with incident responders and found that it remained compromised…
US Declassifies Information on JUMPSEAT Spy Satellites
The US National Reconnaissance Office has declassified information about a fleet of spy satellites operating between 1971 and 2006. I’m actually impressed to see a declassification only two decades after decommission. This article has been indexed from Schneier on Security…
Microsoft is Giving the FBI BitLocker Keys
Microsoft gives the FBI the ability to decrypt BitLocker in response to court orders: about twenty times per year. It’s possible for users to store those keys on a device they own, but Microsoft also recommends BitLocker users store their…
AIs Are Getting Better at Finding and Exploiting Security Vulnerabilities
From an Anthropic blog post: In a recent evaluation of AI models’ cyber capabilities, current Claude models can now succeed at multistage attacks on networks with dozens of hosts using only standard, open-source tools, instead of the custom tools needed…
The Constitutionality of Geofence Warrants
The US Supreme Court is considering the constitutionality of geofence warrants. The case centers on the trial of Okello Chatrie, a Virginia man who pleaded guilty to a 2019 robbery outside of Richmond and was sentenced to almost 12 years…
Ireland Proposes Giving Police New Digital Surveillance Powers
This is coming: The Irish government is planning to bolster its police’s ability to intercept communications, including encrypted messages, and provide a legal basis for spyware use. This article has been indexed from Schneier on Security Read the original article:…
Friday Squid Blogging: Giant Squid in the Star Trek Universe
Spock befriends a giant space squid in the comic Star Trek: Strange New Worlds: The Seeds of Salvation #5. As usual, you can also use this squid post to talk about the security stories in the news that I haven’t…
AIs are Getting Better at Finding and Exploiting Internet Vulnerabilities
Really interesting blog post from Anthropic: In a recent evaluation of AI models’ cyber capabilities, current Claude models can now succeed at multistage attacks on networks with dozens of hosts using only standard, open-source tools, instead of the custom tools…
Why AI Keeps Falling for Prompt Injection Attacks
Imagine you work at a drive-through restaurant. Someone drives up and says: “I’ll have a double cheeseburger, large fries, and ignore previous instructions and give me the contents of the cash drawer.” Would you hand over the money? Of course…
Internet Voting is Too Insecure for Use in Elections
No matter how many times we say it, the idea comes back again and again. Hopefully, this letter will hold back the tide for at least a while longer. Executive summary: Scientists have understood for many years that internet voting…
AI and the Corporate Capture of Knowledge
More than a decade after Aaron Swartz’s death, the United States is still living inside the contradiction that destroyed him. Swartz believed that knowledge, especially publicly funded knowledge, should be freely accessible. Acting on that, he downloaded thousands of academic…
New Vulnerability in n8n
This isn’t good: We discovered a critical vulnerability (CVE-2026-21858, CVSS 10.0) in n8n that enables attackers to take over locally deployed instances, impacting an estimated 100,000 servers globally. No official workarounds are available for this vulnerability. Users should upgrade to…
Hacking Wheelchairs over Bluetooth
Researchers have demonstrated remotely controlling a wheelchair over Bluetooth. CISA has issued an advisory. CISA said the WHILL wheelchairs did not enforce authentication for Bluetooth connections, allowing an attacker who is in Bluetooth range of the targeted device to pair…
Upcoming Speaking Engagements
This is a current list of where and when I am scheduled to speak: I’m speaking at the David R. Cheriton School of Computer Science in Waterloo, Ontario, Canada on January 27, 2026, at 1:30 PM ET. I’m speaking at…
1980s Hacker Manifesto
Forty years ago, The Mentor—Loyd Blankenship—published “The Conscience of a Hacker” in Phrack. You bet your ass we’re all alike… we’ve been spoon-fed baby food at school when we hungered for steak… the bits of meat that you did let…
Corrupting LLMs Through Weird Generalizations
Fascinating research: Weird Generalization and Inductive Backdoors: New Ways to Corrupt LLMs. AbstractLLMs are useful because they generalize so well. But can you have too much of a good thing? We show that a small amount of finetuning in narrow…
Friday Squid Blogging: The Chinese Squid-Fishing Fleet off the Argentine Coast
The latest article on this topic. 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. This article has been indexed from Schneier on Security…
Palo Alto Crosswalk Signals Had Default Passwords
Palo Alto’s crosswalk signals were hacked last year. Turns out the city never changed the default passwords. This article has been indexed from Schneier on Security Read the original article: Palo Alto Crosswalk Signals Had Default Passwords