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Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 8,773 posts.
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Where did all the “reject” buttons come from?
More and more websites have added an option to say “no” to cookies and other tracking- as foreseen by the GDPR. Where did this trend come from?
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Can I remove my personal data from GenAI training datasets?
Short answer: Practically-speaking, probably not.
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American Elections Will Be Hacked
It’s over. The voting went smoothly. As of the time of writing, there are no serious fraud allegations, nor credible evidence that anyone tampered with voting rolls or voting machines. And most important, the results are not in doubt. While we may breathe a collective sigh of relief about that, we can’t ignore the…
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Ransomware gangs now outing victim businesses that don't pay
As if the scourge of ransomware wasn’t bad enough already: Several prominent purveyors of ransomware have signaled they plan to start publishing data stolen from victims who refuse to pay up. To make matters worse, one ransomware gang has now created a public Web site identifying recent victim companies that have…
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How Cloudflare responded to the “Copy Fail” Linux vulnerability
When a critical Linux kernel privilege escalation was publicly disclosed, Cloudflare's security and engineering teams detected, investigated, and mitigated the threat across our global fleet, confirming zero customer impact and no malicious exploitation.
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Don't Panic: Seeking Points of Agreement on the “Going Dark” Debate
Don't Panic: Seeking Points of Agreement on the
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Most dating apps sell and share users' personal data
Privacy Not Included was launched in 2017 to help you understand the privacy risks of tech products that connect to the internet. We are continuing that work in the form of Product Reviews at our magazine Nothing Personal, where our privacy experts do hours of hands-on testing and research on the most popular consumer…
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OpenAI Begins Tackling ChatGPT Data Leak Vulnerability
OpenAI seems to have implemented some mitigation steps for a well-known data exfiltration vulnerability in ChatGPT. Attackers can use image markdown rendering …
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An investigation into Apple’s new Relay network
Guest Post: Analysing Apple Private Relay’s effects on the Internet and future measurement-based research.
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TOTP Codes in the Terminal
The demise of Authy desktop has brought about a number of changes, probably the one of which I most appreciate is a mobile app which lets me edit codes: with 2FAS I can edit labels on codes, and I’...
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Crowdsourcing Bruteforcing: Help me win the EngineYard challenge
Short term financing makes it possible to acquire highly sought-after domains without the strain of upfront costs. Find your domain name today.
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I'll only buy devices with GrapheneOS
Authoritarianism is on the rise throughout the globe. Governments wants to monitor your social media accounts so they can make you disappear if you engage in wrongthink such as opposing wars or genocide. This is worsened by misguided laws like Chat control that would mandate scanning of all digital communication…
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Evil Maid goes after TrueCrypt
From time to time it’s good to take a break from all the ultra-low-level stuff, like e.g. chipset or TXT hacking, and do something simple, y...
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Quad9 DOH HTTP/1.1 Retirement, December 15, 2025
A public and free DNS service for a better security and privacy
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There are too many damn honeypots
VulnCheck faces a horde of honeypots while assessing the potential impact of Atlassian Confluence's CVE-2023-22527. This blog delves into Shodan queries to filter out honeypots and uncover the actual on-premise Confluence install base.
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SSL Labs: Stricter security requirements for 2014
Today, we're releasing a new version of SSL Rating Guide as well as a new version of SSL Test to go with it. Because the...
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Linux CVEs, more than you ever wanted to know
It’s been almost 2 full years since Linux became a CNA (Certificate Numbering Authority) which meant that we (i.e. the kernel.org community) are now responsible for issuing all CVEs for the Linux kernel. During this time, we’ve become one of the largest creators of CVEs by quantity, going from nothing to number 3 in…
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California’s DNA Law Violates Privacy Protections Guaranteed by State
San Francisco—Californians who’ve merely been arrested and not charged, much less convicted of a crime, have a right to privacy when it comes to their genetic material, EFF said in an amicus brief filed Nov. 13 with the state’s highest court. EFF is urging the California Supreme Court to hold that...
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How Chainalysis made their way into popular Monero wallets
An investigation into how malicious nodes run by Chainalysis made their way into defaults of popular Monero wallets.
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The harmful consequences of the robustness principle
The robustness principle, often phrased as "be conservative in what you send, and liberal in what you accept", has long guided the design and implementation of Internet protocols. The posture this statement advocates promotes interoperability in the short term, but can negatively affect the protocol ecosystem over…
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BPF port-based firewall for systemd services
The first post introduced the IPIngressFilterPath and IPEgressFilterPath feature for the upcoming systemd release 243 to support custom BPF programs as firewall for services. There was a simple example for a minimal BPF program written in C and how to load it for a systemd service. Then there was a standalone program…