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The most popular blog posts about security & privacy on Hacker News. 8,769 posts.
Microsoft Defender is the endpoint security solution preinstalled on every Windows machine since Windows 7. It's a fairly complex piece of software, addressing both EDR and EPP use cases. As such, Microsoft markets two different products. Microsoft Defender for Endpoint is a cloud based endpoint security solution that…
Crazed Tik-Toker's Tirade Against University Professor Raises Fact v. Opinion Issue
By now most infosec professionals are aware of various ways SMS text messaging can be hijacked. For example so-called “SIM Swap” attacks…
Address Verification allows you to be sure you are securely communicating with the right person, while PGP support adds encrypted email interoperability.
The direct result of bulletproof infrastructure / cloud providers which are "too big to fail" is the balkanized internet . I don't think this has fully come to pass, but it might be starting to happen or might come to pass soon.
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
You are seeing this because the administrator of this website has set up Anubis to protect the server against the scourge of AI companies aggressively scraping websites . This can and does cause downtime for the websites, which makes their resources inaccessible for everyone.
Excalidraw introduces browser-based end-to-end encryption using Web Cryptography APIs for secure, private drawing storage.
Random numbers are critical for cryptography: for encryption keys, random authentication challenges, initialization vectors, nonces, key-agreement schemes, generating prime numbers and so on. Break the random-number generator, and most of the time you break the entire security system. Which is why you should worry…
A photo in a Los Alamos National Laboratory (LANL) student briefing from 2022 shows four people inspecting what appears to be a damaged B61 nuclear bomb.
Emailed password reset links are a common part of web applications. Is your site leaking these confidential links to third party sites?
Twitter was hacked this week. Not a few people’s Twitter accounts, but all of Twitter. Someone compromised the entire Twitter network, probably by stealing the log-in credentials of one of Twitter’s system administrators. Those are the people trusted to ensure that Twitter functions smoothly. The hacker used that…
About a year ago I wrote a short post urging Apple to publish the technical details of iMessage encryption. I’d love tell you that Apple saw my influential crypto blogging and fell all over t…
While browsing the web, you've almost certainly come across sites that let you log in using your social media account. The chances are that this feature is ...
A team of computer scientists at the University of California San Diego and Brave Software. have developed a tool that will increase protections for users’ private data while they browse the web.
I delivered my traditional Go Cryptography State of the Union talk at GopherCon US 2025 in New York. It goes into everything that happened at the intersection of Go and cryptography over the last year.
We created a centralized authentication service, called Identity, by building upon functionality from the OpenID Connect (OIDC) specification.
UPDATE: EFF also opposes H.R. 3548. Like S. 1757, it would expand border surveillance with biometric, drone, and ALPR technologies. The bill, styled the Border Security for America Act, was introduced by Rep. McCaul in July. EFF opposes a new federal bill that would dramatically expand dragnet...
My last post described how user-level CPU profilers work, and specifically how Google’s pprof profiler gathers its CPU profiles with the help of the operating system. The specific feature needed from the operating system is the profiling timer provided by setitimer (2) and the SIGPROF signals that it delivers.
Back in 2009 I wrote an Arduino library ( IRRemote ) to encode and decode infrared signals for remote controls. I got an email recently fr...
Fifth post in the series, covering how to obtain GPL source code, disassemble MIPS binaries with tools like IDA, and search the firmware for a default WiFi p...
For enterprise software, the software supply chain presents some of the biggest risks today to data privacy and security.
This “feature” accomplishes nothing of value for anyone, including the streaming services, but imposes a massive (and for most people, confusing and frustrating) hindrance on honest people simply trying to easily capture high-quality (as opposed to, say, using their damn phone to take a photograph of their reflective…
