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How to decrypt WhatsApp end-to-end media files
At the center of the "Saudis hacked Bezos" story is a mysterious video file investigators couldn't decrypt, sent by Saudi Crown Prince MBS t...
Topics /
Security & Privacy
The most popular blog posts about security & privacy on Hacker News. 8,770 posts.
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The Evolution of Privacy on Facebook
Facebook is a great service. I have a profile , and so does nearly everyone I know under the age of 60.
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How I hacked hundreds of companies through their helpdesk (2017)
UPDATE: The Next Web wrote a story about my findings…
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A first look at Ghidra’s Debugger – Game Boy Advance Edition
Building Ghidra and reviewing the debugging features
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DNS-over-HTTP/3 in Android
Posted by Matthew Maurer and Mike Yu, Android team To help keep Android users’ DNS queries private, Android supports encrypted DNS. I...
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Our Git Hash Bug
Things this developer thinks might be interesting to you.
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Privacy Protects Bothersome People (2013)
We need to support privacy, not for those of us who have "nothing to hide", but for bothersome people like investigative journalists and activists, without which our democracy would crumble
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What the QWAC? An EV Certificate all over again
Almost 2 years on from the last time I wrote about QWACs, I'm sadly not here to tell you that things have gone well since then. In fact, I'm actually here to tell you that things are not going well at all... QWAC Back in Jan 2022, I
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CVE-2019-9193: Not a Security Vulnerability
There is widespread mention in the media of a security vulnerability in PostgreSQL, registered as [CVE-2019-9193](https://nvd.nist.gov/vuln/detail/CVE-2019-9193). The PostgreSQL Security Team …
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Opening Up the Samsung Q60 Series Smart TV (2019)
True cyber security combines advanced technology and best practice. Get tips and read articles on how to take your online security even further.
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SSH Emergency Access
Learn how to prepare for emergency access to your SSH hosts.
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Using a Yubikey as a touchless, magic unlock key for Linux
Yubikeys are great for security, but their benefits decrease somewhat when you leave them in your computer unattended. I also have login passwords that are way too long. How to solve these problems? Use a Yubikey to unlock your computer!
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How you will not uncover Satoshi
Computer forensics is the science of finding evidence in computers and digital documents, and when a hacker perform forensics, better be prepared for the unknown. Satoshi did many things in order t…
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Node.js incorrectly parses HTTP methods
One who writes code
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Route leak incident on January 22, 2026
An automated routing policy configuration error caused us to leak some Border Gateway Protocol prefixes unintentionally from a router at our Miami data center. We discuss the impact and the changes we are implementing as a result.
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Announcing Certbot: EFF's Client for Let's Encrypt
EFF is proud to introduce Certbot, a powerful tool to help websites encrypt their traffic. Certbot is the next iteration of the Let's Encrypt Client; it obtains TLS/SSL certificates and can automatically configure HTTPS encryption on your server. It's still in beta for now, but we plan to release...
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Firefox Roadmap for Flash End-Of-Life
This morning, Adobe announced its roadmap to stop supporting Flash at the end of 2020. Working with Adobe and other browser vendors, Mozilla has prepared a roadmap for Flash support ...
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Zero Trust Networks
I am leery of jargon. I am as guilty of using it as the next engineer, but there comes a point where there are just too many precise, narrowly-understood terms polluting your vocabulary. The circle of people you can talk to shrinks until going to the store to buy milk feels like an exercise in speaking a foreign…
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I know your name, where you work, and live (Safari v4 & v5)
Update 07.30.2010 : Apple patched Safari ( CVE-ID: CVE-2010-1796 ) Right at the moment a Safari user visits a website, even if they’ve never...
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Criminal complaint against facial recognition company Clearview AI
Clearview AI is known for scraping billions of photos of people around the world on the internet – and selling its facial recognition system to law enforcement and state actors
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Finding secrets by decompiling Python bytecode in public repositories
Cache rules everything around me. `pyc` files can contain secrets and should not be checked in to source control. Use the standard Python [.gitignore](https://github.com/github/gitignore/blob/master/Python.gitignore).
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Fuzzing a DNS parser written in Go
Here at CloudFlare we are heavy users of the github.com/miekg/dns Go DNS library and we make sure to contribute to its development as much as possible. Therefore when Dmitry Vyukov published go-fuzz and started to uncover tens of bugs in the Go standard library, our task was clear.
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1.4B records from “Have I been pwned” for analysis
I get a lot of requests from people for data from Have I been pwned [https://haveibeenpwned.com/] (HIBP) that they can analyse. Now obviously, there are a bunch of people up to no good requesting the data but equally, there are many others who just want to run statistics.
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We Shouldn’t Wait Another 15 Years for a Conversation About Government Hacking
With high-profile hacks in the headlines and government officials trying to reopen a long-settled debate about encryption, information security has become a mainstream issue. But we feel that one element of digital security hasn’t received enough critical attention: the role of government in...
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Ransomware-ing a DSLR Camera
Research by: Eyal Itkin TL;DR Cameras. We take them to every important life event, we bring them on our vacations, and we store them in a protective case to keep them safe during transit. Cameras are more than just a tool or toy; we entrust them with our very memories, and so they are very important […]
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