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Security & Privacy

The most popular blog posts about security & privacy on Hacker News. 8,768 posts.

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2551

TSA Master Keys

Someone recently noticed a Washington Post story on the TSA that originally contained a detailed photograph of all the TSA master keys. It’s now blurred out of the Washington Post story, but the image is still floating around the Internet. The whole thing neatly illustrates one of the main problems with backdoors…

2554

Zeroing buffers is insufficient

With a bit of care and a cooperative compiler, we can zero a buffer — but that's not what we need. What we need to do is zero every location where sensitive data might be stored. Remember, the whole reason we had sensitive information in memory in the first place was so that we could use it; and that usage almost…

2561

The Linux Backdoor Attempt of 2003 (2013)

Josh wrote recently about a serious security bug that appeared in Debian Linux back in 2006, and whether it was really a backdoor inserted by the NSA. (He concluded that it probably was not.) Today I want to write about another incident, in 2003, in which someone tried to backdoor the Linux kernel. This one […]

2565

Switching from 1Password to Bitwarden

I've been using an OpenBSD laptop as my workstation a lot more lately, probably because most of my hardware just works now and I don't have to think too much about it. The touchpad works when I touch it, I can be confident that when I close the lid, the laptop will fully suspend and then fully resume again when I open…

2570

How cops can get your private online data

Can the cops get your online data? In short, yes. There are a variety of US federal and state laws which give law enforcement powers to obtain information that you provided to online services. But, there are steps you as a user and/or as a service provider can take to improve online privacy.Law...

2579

SystemD Service Hardening

Discover additional security options for systemd units, to include quadlets. These options are everything from system permissions, time manage, BPF, syscall & seccomp filters, etc., all to make your system more secure.