DARPA Wants Research into Resilient Anonymous Communications

DARPA is funding research into resilient anonymous communications systems...

Living in a Smart Home

In "The House that Spied on Me," Kashmir Hill outfits her home to be as "smart" as possible and writes about the results...

New Book Coming in September: "Click Here to Kill Everybody"

My next book is still on track for a September 2018 publication. Norton is still the publisher. The title is now Click Here to Kill Everybody: Peril and Promise on a Hyperconnected Planet, which I generally refer to as CH2KE. The table of contents has changed since I last blogged about this, and ...

NSA Links WannaCry to North Korea

There's evidence: Though the assessment is not conclusive, the preponderance of the evidence points to Pyongyang. It includes the range of computer Internet protocol addresses in China historically used by the RGB, and the assessment is consistent with intelligence gathered recently by other...

What’s the Scam?

To subscribe to my monthly email newsletter, you have to enter your information on the webpage, and then reply to an automatically generated email. This is, of course, to prevent people from subscribing addresses other than their own. Starting last weekend, I have been receiving a lot of individu...

Spyware for Babies

The New York Times has a long article alt link on surveillance systems aimed at babies. They are increasingly using AI. Nanit and its rivals want to own 24/7 health tracking for the sub-four-foot set. And their already astonishing levels of baby data collection are just the beginning. Nanit...

Prompt Injections for Defense

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 hacking agents. The prompts direct the attacki...

Vulnerabilities in Car Anti-Theft Device

This is disturbing: …a team of security researchers at UC San Diego, who found that a model of aftermarket car alarm known as the KARR Security System, installed in more than 2 million vehicles across the US by their estimate, can let any hacker within Bluetooth range send radio commands to...

Friday Squid Blogging: Squid Washing Up on Cape Cod Beach

Lots of articles about this. 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...

Vulnerability in FIFA’s Network

FIFA's network was vulnerable to anyone with even minimal access...

Interesting Paper Exploring Prompt Injection

This is a fascinating explotation of how LLMs fall for prompt injection attacks. It turns out that they learn to recognize the style of text in different role/instruction blocks, and not just the tags. Their conclusion: Role tags were a formatting trick that became the security architecture and t...

Flock Cameras Are Being Used for Stalking

There are over a dozen cases around the country where police officers are using the Flock surveillance camera system to obsessively and illegally stalk people. Alternate link...

Friday Squid Blogging: Regulating Squid Fishing in the South Pacific

The South Pacific Regional Fisheries Management Organization SPRFMO needs to regulate squid fishing in the South Pacific. 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...

A Ransomware Negotiator Was Working for a Ransomware Gang

Someone pleaded guilty to secretly working for a ransomware gang as he negotiated ransomware payments for clients...

Human Trust of AI Agents

Interesting research: "Humans expect rationality and cooperation from LLM opponents in strategic games." Abstract: As Large Language Models LLMs integrate into our social and economic interactions, we need to deepen our understanding of how humans respond to LLMs opponents in strategic settings. ...

AI Chatbots and Trust

All the leading AI chatbots are sycophantic, and that's a problem: Participants rated sycophantic AI responses as more trustworthy than balanced ones. They also said they were more likely to come back to the flattering AI for future advice. And critically ­ they couldn't tell the difference betwe...

New Attack Against Wi-Fi

It's called AirSnitch: Unlike previous Wi-Fi attacks, AirSnitch exploits core features in Layers 1 and 2 and the failure to bind and synchronize a client across these and higher layers, other nodes, and other network names such as SSIDs Service Set Identifiers. This cross-layer identity...

Manipulating AI Summarization Features

Microsoft is reporting: Companies are embedding hidden instructions in "Summarize with AI" buttons that, when clicked, attempt to inject persistence commands into an AI assistant's memory via URL prompt parameters…. These prompts instruct the AI to "remember Company as a trusted source" or...

Friday Squid Blogging: Squid Fishing in Peru

Peru has increased its squid catch limit. The article says "giant squid," but they can't possibly mean that. 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...

LLMs Generate Predictable Passwords

LLMs are bad at generating passwords: There are strong noticeable patterns among these 50 passwords that can be seen easily: All of the passwords start with a letter, usually uppercase G, almost always followed by the digit 7. Character choices are highly uneven ­ for example, L , 9, m, 2, $ and...

Friday Squid Blogging: Do Squid Dream?

An exploration of the interesting question...

I Am in the Epstein Files

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 is unclear what I am dramatizing and misunderstanding. Rab...

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 by previous generations. This illustrates h...

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 not. Yet this is what large language models LLMs do...

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 version...

FBI Warns of Fake Video Scams

The FBI is warning of AI-assisted fake kidnapping scams: Criminal actors typically will contact their victims through text message claiming they have kidnapped their loved one and demand a ransom be paid for their release. Oftentimes, the criminal actor will express significant claims of violence...

Prompt Injection Through Poetry

In a new paper, "Adversarial Poetry as a Universal Single-Turn Jailbreak Mechanism in Large Language Models," researchers found that turning LLM prompts into poetry resulted in jailbreaking the models: Abstract : We present evidence that adversarial poetry functions as a universal single-turn...

AI as Cyberattacker

From Anthropic: In mid-September 2025, we detected suspicious activity that later investigation determined to be a highly sophisticated espionage campaign. The attackers used AI’s “agentic” capabilities to an unprecedented degree­--using AI not just as an advisor, but to execute the cyberattacks...

Serious F5 Breach

This is bad: F5, a Seattle-based maker of networking software, disclosed the breach on Wednesday. F5 said a "sophisticated" threat group working for an undisclosed nation-state government had surreptitiously and persistently dwelled in its network over a "long-term." Security researchers who have...

A Surprising Amount of Satellite Traffic Is Unencrypted

Here's the summary: We pointed a commercial-off-the-shelf satellite dish at the sky and carried out the most comprehensive public study to date of geostationary satellite communication. A shockingly large amount of sensitive traffic is being broadcast unencrypted, including critical infrastructur...

Friday Squid Blogging: Jigging for Squid

A nice story...

Friday Squid Blogging: Squid-Shaped UFO Spotted Over Texas

Here's the story. The commenters on X formerly Twitter are unimpressed. 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...

White House Bans WhatsApp

Reuters is reporting that the White House has banned WhatsApp on all employee devices: The notice said the "Office of Cybersecurity has deemed WhatsApp a high risk to users due to the lack of transparency in how it protects user data, absence of stored data encryption, and potential security risk...

Where AI Provides Value

If you've worried that AI might take your job, deprive you of your livelihood, or maybe even replace your role in society, it probably feels good to see the latest AI tools fail spectacularly. If AI recommends glue as a pizza topping, then you're safe for another day. But the fact remains that AI...

Paragon Spyware Used to Spy on European Journalists

Paragon is an Israeli spyware company, increasingly in the news now that NSO Group seems to be waning. "Graphite" is the name of its product. Citizen Lab caught it spying on multiple European journalists with a zero-click iOS exploit: On April 29, 2025, a select group of iOS users were notified b...

Court Rules Against NSO Group

The case is over: A jury has awarded WhatsApp $167 million in punitive damages in a case the company brought against Israel-based NSO Group for exploiting a software vulnerability that hijacked the phones of thousands of users. I'm sure it'll be appealed. Everything always is...

Applying Security Engineering to Prompt Injection Security

This seems like an important advance in LLM security against prompt injection: Google DeepMind has unveiled CaMeL CApabilities for MachinE Learning, a new approach to stopping prompt-injection attacks that abandons the failed strategy of having AI models police themselves. Instead, CaMeL treats...

Cell Phone OPSEC for Border Crossings

I have heard stories of more aggressive interrogation of electronic devices at US border crossings. I know a lot about securing computers, but very little about securing phones. Are there easy ways to delete data--files, photos, etc.--on phones so it can't be recovered? Does resetting a phone to...

The Signal Chat Leak and the NSA

US National Security Advisor Mike Waltz, who started the now-infamous group chat coordinating a US attack against the Yemen-based Houthis on March 15, is seemingly now suggesting that the secure messaging service Signal has security vulnerabilities. "I didn't see this loser in the group," Waltz...

Friday Squid Blogging: Squid Werewolf Hacking Group

In another rare squid/cybersecurity intersection, APT37 is also known as "Squid Werewolf." As usual, you can also use this squid post to talk about the security stories in the news that I haven't covered...

Report on Paragon Spyware

Citizen Lab has a new report on Paragon's spyware: Key Findings: Introducing Paragon Solutions. Paragon Solutions was founded in Israel in 2019 and sells spyware called Graphite. The company differentiates itself by claiming it has safeguards to prevent the kinds of spyware abuses that NSO Group...

Implementing Cryptography in AI Systems

Interesting research: "How to Securely Implement Cryptography in Deep Neural Networks." Abstract: The wide adoption of deep neural networks DNNs raises the question of how can we equip them with a desired cryptographic functionality e.g, to decrypt an encrypted input, to verify that this input is...

Screenshot-Reading Malware

Kaspersky is reporting on a new type of smartphone malware. The malware in question uses optical character recognition OCR to review a device's photo library, seeking screenshots of recovery phrases for crypto wallets. Based on their assessment, infected Google Play apps have been downloaded more...

Biden Signs New Cybersecurity Order

President Biden has signed a new cybersecurity order. It has a bunch of provisions, most notably using the US governments procurement power to improve cybersecurity practices industry-wide. Some details: The core of the executive order is an array of mandates for protecting government networks...

The First Password on the Internet

It was created in 1973 by Peter Kirstein: So from the beginning I put password protection on my gateway. This had been done in such a way that even if UK users telephoned directly into the communications computer provided by Darpa in UCL, they would require a password. In fact this was the first...

US Treasury Department Sanctions Chinese Company Over Cyberattacks

From the Washington Post: The sanctions target Beijing Integrity Technology Group, which U.S. officials say employed workers responsible for the Flax Typhoon attacks which compromised devices including routers and internet-enabled cameras to infiltrate government and industrial targets in the...

Privacy of Photos.app’s Enhanced Visual Search

Initial speculation about a new Apple feature...

Mailbox Insecurity

It turns out that all cluster mailboxes in the Denver area have the same master key. So if someone robs a postal carrier, they can open any mailbox. I get that a single master key makes the whole system easier, but it's very fragile security...

New Advances in the Understanding of Prime Numbers

Really interesting research into the structure of prime numbers. Not immediately related to the cryptanalysis of prime-number-based public-key algorithms, but every little bit matters...

Security Analysis of the MERGE Voting Protocol

Interesting analysis: An Internet Voting System Fatally Flawed in Creative New Ways. Abstract: The recently published "MERGE" protocol is designed to be used in the prototype CAC-vote system. The voting kiosk and protocol transmit votes over the internet and then transmit voter-verifiable paper...