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Topics /
Security & Privacy
The most popular blog posts about security & privacy on Hacker News. 4,335 posts.
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Weakening TLS protection, South Korean style
TLS protocol is fundamental to internet security. All South Korean security applications add their own “trusted” Certificate Authorities however, weakening this protocol severely.
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T-Mobile USA doesn't comply with its German parent company’s GDPR policies
The Practical Nomad: Edward Hasbrouck's blog
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Being Sneaky in C
I entered the 2014 Underhanded C Contest last year. Didn't win, but hey-ho what can you do. Still, I thought I'd post my entry and a write-up of it, in case anyone found it interesting.
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Lockdown: The coming war on general-purpose computing (2012)
This article is based on a keynote speech to the Chaos Computer Congress in Berlin, Dec. 2011.
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On the Perceived Value of EV Certs, Commercial CAs, Phishing and Let's Encrypt
Last week I wrote about how Life Is About to Get a Whole Lot Harder for Websites Without HTTPS [https://www.troyhunt.com/life-is-about-to-get-harder-for-websites-without-https/]. Somewhere in the comments there, the discussion went off on a tangent about commercial CAs, the threat
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The new .zip TLD is going to cause some problems
Many years ago, Google applied for the .zip Top Level Domain. ICANN, in its infinite wisdom, granted it. And now, I think, bad things are going to happen. You see computers try to be helpful. They see you wrote "visit example.com" and autolink the thing which looks like a domain name. That's handy - especially as most…
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I accidentally made law enforcement shut down their fake honeypot
How I stumbled across a fake booter site run by international police, and how they panicked when I started digging
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Mind the encryptionroot: How to save your data when ZFS loses its mind
While ZFS has a well-earned reputation for data integrity and reliability, OpenZFS native encryption has some incredibly sharp edges that will cut you if you don't know where to be careful. Unfortunately, I learned this the hard way, standing in a pool of my own blood and tears after thoroughly lacerating myself…
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What happens when DNS in China is poisoned and pointed at your server
I’ve been using the Internet in one form or another since the mid-80’s. In that time, I’ve seen a lot of strange stuff happening on our global network. On Tuesday, I experienced something extraordinary. It all started with a text message from my partner Ged at 8:30 AM: Mail server down. Please take a look […]
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What is the randomart image for?
When you generate an SSH key (like I did when looking at signing commits with SSH keys ), you get a “randomart image” from ssh-keygen . These things:
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NPM Package Hijacking From the Hijacker's Perspective
In light of recent events in the javascript community, I would like to share the story of how I came into control of more than 200 heavily…
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Some discouraging anecdotes on how services handle account deletions
I asked 124 services to delete my user account. The results were mixed. 21 never responded, and 16 responded by created even more accounts. Some outright lied.
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All you ever wanted to know about building a secure password reset (NSFW)
This content is now available in the Pluralsight course "Secure Account Management Fundamentals" [http://www.pluralsight.com/courses/secure-account-management-fundamentals] Recently I’ve had a couple of opportunities to think again about how a secure password reset function should operate, firstly whilst building this…
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RSA is deceptively simple and fun
While reading Real-World Cryptography , I came across the "million message attack" . This is an attack that Daniel Bleichenbacher demonstrated in 1998, which effectively broke RSA with a particular encoding function called PKCS #1 . It was only mentioned briefly, so I dug in and decided to try to understand the…
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Phishing attack against Lastpass
Updated 2016-02-04 : LastPass has removed the button from notifications and now requires email confirmation for all logins from new IPs . This substantially mitigates LostPass, but does not eliminate it.
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FBI, Dutch police disrupt 'Manipulaters' phishing gang
The FBI and authorities in The Netherlands this week seized dozens of servers and domains for a hugely popular spam and malware dissemination service operating out of Pakistan. The proprietors of the service, who use the collective nickname “ The Manipulaters ,” have been the subject of three stories published here…
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So You Want to Be a Security Expert
I regularly receive e-mail from people who want advice on how to learn more about computer security, either as a course of study in college or as an IT person considering it as a career choice. First, know that there are many subspecialties in computer security. You can be an expert in keeping systems from being…