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Security & Privacy

The most popular blog posts about security & privacy on Hacker News. 612 posts.

2020
182

Adding Encrypted Group Calls to Signal

2020 has seen its fair number of challenges and changes. We’ve all adapted to new ways of staying in touch, getting work done, celebrating birthdays and weddings, and even exercising. As more and more of our critical and personal moments move online, we want to continue to provide you with new wa...

186

Learn Authentication the Hard Way: Part Three

This is the final installment of a three part series in which we dive into modern application authentication solutions - the hard way. Part One: The Hard Way Part Two: The Hard Way, Continued Part Three: The Hard Way: Return Of The Specification The Hard Way: Return Of The Specification We are continuing our quest to…

187

Yet another macOS privacy protections bypass

Today I'm disclosing a macOS privacy protections bypass. I discovered that an application can use the venerable Unix command-line tool "ls" (list directory contents) to bypass both TCC (Transparency, Consent, and Control) and the sandbox, enabling unauthorized access to file metadata in directories that are supposed…

192

The joys of owning an ‘OG’ email account

When you own a short email address at a popular email provider, you are bound to get gobs of spam, and more than a few alerts about random people trying to seize control over the account. If your account name is short and desirable enough, this kind of activity can make the account less reliable for day-to-day…

194

Google's Abandoned Android Authenticator App

The news has just broken that Google's Authenticator App can have its codes stolen by malware. I doubt Google will ever release a fix for this issue - their 2FA app hasn't been updated since September 2017. Update! 3 months after I published this post, Google updated their app For two-and-a-half years, Google hasn't…

198

The unattributable “db8151dd” data breach

I was reticent to write this blog post because it leaves a lot of questions unanswered, questions that we should be able to answer. It's about a data breach with almost 90GB of personal information in it across tens of millions of records - including mine. Here's what I

203

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 […]

209

Sonos is spying on me (and you)

I recently decided to get a wireless speaker for our Kitchen. Sonos seems like an obvious choice these days. The sound quality and aesthetics were very appealing. So I ordered a Sonos One SL speaker. In terms of sound quality and looks, I was very pleased. I’m not an audiophile but the sound quality seemed…