Claude Code is steganographically marking requests
I inspected Claude Code for privacy reasons and found hidden system prompt markers based on API base URL and timezone.
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The most popular blog posts about security & privacy on Hacker News. 708 posts.
I inspected Claude Code for privacy reasons and found hidden system prompt markers based on API base URL and timezone.
Motorola announces three new B2B solutions at MWC 2026, including GrapheneOS partnership, Moto Analytics and more.
Yesterday, a slew of Instagram accounts, including some high profile ones like the Obama White House account, seemingly got hacked.
Hijacked maintainer account used to publish poisoned axios releases including 1.14.1 and 0.30.4. The attacker injected a hidden dependency that drops a cross platform RAT. We are actively investigating and will update this post with a full technical analysis.
Google Chrome is downloading a 4 GB Gemini Nano model onto users' machines without consent, with no opt-in, no opt-out short of enterprise tooling, and an automatic re-download every time the user deletes it. The pattern is identical to the Anthropic Claude Desktop case I wrote about last month, but the scale is…
If you are running Android 8 or higher, a virus has been installed on your device and is silently awaiting remote activation. Over the past few months, devic...
In 2025, Google gave Amandla Thomas-Johnson's data to ICE without giving him the chance to challenge the subpoena, breaking a nearly decade-long promise to notify users before handing their data to law enforcement.
Also here's a cool unrelated photo of a chipmunk because I need some chill
Your phone is about to stop being yours. In 2027, Google will block every Android app whose developer hasn't registered with them.
Today, the European Parliament allowed the suspicionless mass scanning of private communications ("Chat Control 1.0") to pass, a measure it had rejected twice in March. Although a majority of voting Members of the European Parliament (MEPs) actually opposed the regulation (314 against, 276 in favor,
OpenAI and Hugging Face share early findings from a security incident during AI model evaluation, highlighting advanced cyber capabilities and lessons for defenders.
A fake recruiter, a crypto repo, and a remote code execution payload hidden in a test file.
I've always had a fascination with reverse-engineering browser fingerprinting scripts. Most of my time has been spent looking at the usual suspects (popular fingerprinting libraries like FingerprintJS and more sophisticated scripts used by anti-bots like Cloudflare Turnstile, Akamai, and others).
PHP is a popular general-purpose scripting language that powers everything from your blog to the most popular websites in the world.
A new initiative to secure the world’s most critical software and give defenders a durable advantage in the coming AI-driven era of cybersecurity.
IP, technology & commercial law
ICE is using a Palantir tool that uses Medicaid and other government data to stalk people for arrest. This is exactly the kind of data privacy abuse that EFF has been warning about.
An AI agent tried to join the DN42 hobbyist network to perform a network scan, and bankrupted its operator with a $6531.30 AWS bill, to the extent that they are begging for donations from the DN42 community.
Learn about the EU Chat Control proposal and contact your representatives to protect digital privacy and encryption.
After almost twenty years on the platform, EFF is logging off of X. This isn’t a decision we made lightly, but it might be overdue.
Anthropic accidentally shipped a source map in their npm package, exposing the full Claude Code source. Here's what I found inside.
Google spent over a decade telling developers that Google API keys (like those used in Maps, Firebase, etc.) are not secrets. But that's no longer true.
When AISLE tested Mythos's showcase vulnerabilities on small, cheap, open-weights models, most found the same bugs. Here's what that means for cyber.
With Flipper One, we're reimagining what a Linux cyberdeck can be — it's a huge project. We're opening up the development process and asking the community for help.
Eleven days after Apple was notified of the eMudhra CA compromise, the git, curl and python3 that Apple ships with macOS still trust the compromised certificates.
Last week, I wrote about catching a supply chain attack on a WordPress plugin called Widget Logic. A trusted name, acquired by a new owner, turned into
🇬🇧->🇵🇱 Przejdź do polskiej wersji tego wpisu / Go to polish version of this post
eMudhra Limited (BSE: 543533 | NSE: EMUDHRA), a global digital trust company, today announced that its Board has decided to voluntarily withdraw from the global SSL/TLS certificate business.