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Security & Privacy

The most popular blog posts about security & privacy on Hacker News. 8,772 posts.

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6487

Cracking Encrypted PDFs

I performed a brute-force attack on the password of an encrypted PDF and a brute-force attack on the key of (another) encrypted PDF, both PDFs are part of a challenge published by John August. The …

6491

From VNC to reverse shell

Personal websites are weird. We are mostly past the era of having them, as things like twitter and hosted blog services like Medium have taken them over, but I’m a hold out. I run both my own blog, and have a landing page on the apex domain since the server that hosts the blog (Google App Engine + Cloudflare) is…

6495

Should Failing Phish Tests Be a Fireable Offense?

Would your average Internet user be any more vigilant against phishing scams if he or she faced the real possibility of losing their job after falling for one too many of these emails? Recently, I met someone at a conference who said his employer had in fact terminated employees for such repeated infractions. As this…

6502

TextSecure's Private Group Messaging

One of the major features we introduced in the TextSecure v2 release was private group chat. We believe that group chat is an important feature for encrypted communications projects, so we wanted to try to summarize some of the existing work in this area, as well as how TextSecure’s group chat pr...

6507

GET /browser.exe

Jon Howell dreams of a new Internet. In this new Internet, cross-browser compatibility checking is a distant memory and new features can be unilaterally be added to browsers without having to convince the world to upgrade first. The idea which makes this Internet possible is so crazy, it just might work.

6508

Briar has been removed from Google Play

Status update Update (February 28, 13:20 UTC): Briar is available on Google Play again. Briar was briefly removed from Google Play because we didn’t provide Google’s review team with a username and password for testing the app. We provided Google with a username and password for testing and the app is now available…