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The most popular blog posts about security & privacy on Hacker News. 8,768 posts.
In early February 2022, notably just ahead of the Russian invasion of Ukraine, Volexity made a discovery that led to one of the most fascinating and complex incident investigations Volexity had ever worked. The investigation began when an alert from a custom detection signature Volexity had deployed at a customer site…
Multi-factor authentication is ripe for disruption. SMS 2FA is inherently defective. Phone authenticators get stolen. Security tokens get lo...
For the past two years we've been tinkering with a proof-of-concept decryptor for the Phobos family ransomware. It works, but is impractical to use for reasons we'll explain here. Consequently, we've been unable to use it to help a real-world victim so far. We've decided to publish our findings and tools, in hope that…
I own a very old ‘flat’ screen television from 2009. One of the reason this TV is still kicking around is because I have a strange sentimental affection for it. Another is that I have written automation for it that works really well and it would be a pain to migrate away from it.
eff_ltr_to_rico_mgmt_re_krazam_llc.pdf
Code level discussion of web scraping, gray hat automation, growth hacking and bounty hunting
The Trail of Bits Assurance practice has received an influx of Go projects, following the success of our Kubernetes assessment this summer. As a result, we’ve been adapting for Go projects some of the security assessment techniques and tactics we’ve used with other compiled languages. We started by understanding the…
I wrote a critical piece about the Google Apple Contact Tracing (GACT) platform a few days ago . This resulted in quite some discussion, which brought some more arguments to the fore, that I would like to address and clarify here. Here I focus on my area of expertise: privacy. My colleague Tamar Sharon wrote an…
After 10 years as an AWS customer and open-source contributor, they deleted my account and all data with zero warning. Here's how AWS's 'verification' process became a digital execution, and why you should never trust cloud providers with your only copy of anything.
It is safe to assume that in any useful cryptosystem C k there exists at least one person with access to the key k . An adversary with sufficient leverage can bypass the computational cost of a conventional attack by exerting their influence on this person.
Let's make a tiny, standalone CA! We'll use a Raspberry Pi 4, YubiKey 5 NFC, and Infinite Noise TRNG.
Credit card fraud can be a huge problem for subscription boxes. Here's how we got our situation under control.
Our client, Chris Roberts, a founder of the security intelligence firm One World Labs, found himself detained by the FBI earlier this week after tweeting about airplane network security during a United Airlines flight. When Roberts landed in Syracuse, he was questioned by the FBI, which ultimately...
On May 13, 2026, the website SecurityBaseline.eu was launched. It is a spin-off from the Dutch “Basisbeveiliging”, which has monitored baseline security for over a decade and is part of governmental policy. Three months ago we sent tens of thousands of e-mails to European governments indicating the new site would…
AWS WAF is a managed cloud web application firewall (WAF) service that protects websites, APIs, and applications from bots, exploits, and layer 7 events. Deploy scalable, enterprise-grade WAF solutions with global protection.
The folks that build the NSIS Installer have released updates to mitigate a serious security bug related to DLL loading. (v2.5 and v3.0b3 include the fixes). To make a long and complicate…
On Wednesday of last week, details of the Shellshock bash bug emerged. This bug started a scramble to patch computers, servers, routers, firewalls, and other computing appliances using vulnerable versions of bash.
Note: As a professional courtesy to those at Adobe who are doing their absolute best to mitigate this breach, I have partially redacted all ...
A post about RSA-896.
At CloudFlare, we’ve constructed one of the world’s largest networks purpose-built to protect our customers from a wide range of attacks.
An abridged version of this article appeared in Whole Earth 106, Winter 2001, pages 74-77.
Brighten Godfrey was one of my officemates when we were grad students at Berkeley. He’s now a highly-successful computer networking professor at the University of Illinois Urbana-Champaign, …
The foundation of modern cryptography.
