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The most popular blog posts about security & privacy on Hacker News. 279 posts.
Playing Chess is one of the many hobbies I like to do in my spare time, apart from tinkering around with technology. However, I'm not very good at it, and after losing many games, I decided to see if I could do something I'm much better at; hacking the system!
I’ve had the curiosity to explore radio communication protocols for a few years now, ever since I’ve started fiddling around with an RTL-SDR dongle. I always had the goal of figuring out how data is transmitted in remote controls (car key fobs particularly), trying replay attacks, and other possible attack vectors.
When you launch an app, macOS connects to Apple's OCSP service to check whether the app's Developer ID code signing certificate has been revoked by Apple. In November 2020, Apple's OCSP service experienced a mass outage , preventing Mac users worldwide from launching apps. In response and remedy to this outage, Apple…
turns out, you can even search for them with powerful search engines!
This blog post details how I found CVE-2024-6778 and CVE-2024-5836, which are vulnerabilities within the Chromium web browser which allowed for a sandbox escape from a browser extension.
Sysadmin doing syadmin stuff
A tale about exploiting KernelCTF Mitigation, Debian, and Ubuntu instances with a double-free in nf_tables in the Linux kernel, using novel techniques like Dirty Pagedirectory. All without even having to recompile the exploit for different kernel targets once.
So, let's say that a security vendor, we'll call them ClownStrike, accidentally takes down most of their Windows install base with a poorly tested content update. Rough day at the office, huh? There are lots of things you could say about this, lots of reasons it happens this way, lots of people to blame and not to…
Several Apple customers recently reported being targeted in elaborate phishing attacks that involve what appears to be a bug in Apple’s password reset feature. In this scenario, a target’s Apple devices are forced to display dozens of system-level prompts that prevent the devices from being used until the recipient…
The summer of 2007 was an eventful one if you were into cell phones. It all started on June 29 when Apple announced the release of the iPhone. If you have never taken the time to watch the full keynote, I highly recommend it.
Learn how IdentityLogger used fingerprinting to combat ban evasion, protecting our CSGO community from relentless cheaters.
Security testing starts with understanding vulnerabilities. The CVE website lists known software flaws. The OWASP Top Ten highlights common weaknesses. With this knowledge, we can improve our Go development. This article shows how to put in place robust practices. They are fuzz inputs, verify dependencies, and use…
I apologize if this information is already known, but I couldn’t find any references about it and I wanted to understand what was going on and share with you because I think there is some value doing it. In case this wasn’t known, I apologize to the Go team for not talking to them first and jumping the full disclosure…
[…] Security has unveiled a critical vulnerability that has lingered in the popular torrent client qBittorrent for over 14 […]
I have held back on writing anything about AI or how we (not) use AI for development in the curl factory. Now I can't hold back anymore. Let me show you the most significant effect of AI on curl as of today - with examples. Bug Bounty Having a bug bounty means that we offer … Continue reading The I in LLM stands for…
On April 9, Twitter/X began automatically modifying links that mention “twitter.com” to read “x.com” instead. But over the past 48 hours, dozens of new domain names have been registered that demonstrate how this change could be used to craft convincing phishing links — such as fedetwitter[.]com , which until very…
Valve has shown to occasionally not act on community feedback and bug reports. A story about a decade old bug.
Microsoft announced that it caught Chinese, Russian, and Iranian hackers using its AI tools—presumably coding tools—to improve their hacking abilities. From their report: In collaboration with OpenAI, we are sharing threat intelligence showing detected state affiliated adversaries—tracked as Forest Blizzard, Emerald…
I searched the web for a deal on a decent air purifier and the Xiaomi 4 Pro seemed to meet all my requirements. The filter size, scheduler and air volume ticked all the boxes. I set it up and thought nothing of it until last week my room was lit with the ‘ 0% remaining ’ replace filter warning. I had set my unit up to…
Adam Griffin is still in disbelief over how quickly he was robbed of nearly $500,000 in cryptocurrencies. A scammer called using a real Google phone number to warn his Gmail account was being hacked, sent email security alerts directly from google.com, and ultimately seized control over the account by convincing him…
Stealing another KakaoTalk user’s chat messages with a simple 1-click exploit.
Two men have been arrested for allegedly stealing data from and extorting dozens of companies that used the cloud data storage company Snowflake , but a third suspect — a prolific hacker known as Kiberphant0m — remains at large and continues to publicly extort victims. However, this person’s identity may not remain a…
Those of you who haven’t been in IT for far, far too long might not know that next month will be the 16th(!) anniversary of the disclosure of what was, at the time, a fairly earth-shattering revelation: that for about 18 months, the Debian OpenSSL package was generating entirely predictable private keys .
By Ruben Schade in Eora/Sydney, Australia.
Hello, Today I am doing a quick post to cover the recent CrowdStrike incident that is estimated to have disabled 8.5M computers and caused more than $5.4B in damages since last week. Now a common q…
The nonprofit organization that supports the Firefox web browser said today it is winding down its new partnership with Onerep , an identity protection service recently bundled with Firefox that offers to remove users from hundreds of people-search sites. The move comes just days after a report by KrebsOnSecurity…
Last week I wanted to replace my OpenVPN setup with WireGuard. The basics were well-documented, going beyond the basics was a bit trickier. Let me teach you want I learned. The basics But first, let’s summarize the basics. I have a server with a hosting provider that I want to use as a VPN server. I won’t delve into…
