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Security & Privacy

The most popular blog posts about security & privacy on Hacker News. 391 posts.

2014
61

LibreSSL: More Than 30 Days Later

LibreSSL was officially announced to the world just about exactly five months ago. Bob spoke at BSDCan about the first 30 days. For those who weren't there, I'll quickly rehash some of that material. Also, it's always best to start at the beginning, but then I'll try to focus on some new material and updates.

63

Hacking PayPal Accounts with one click

Today I am going to publicly disclose a critical vulnerability I have found during my research in PayPal, This vulnerability enabled me to completely bypass the CSRF Prevention System implemented by PayPal, The vulnerability is patched very fast and PayPal paid me the maximum bounty they give ;).

73

Comments on the Sony Hack

I don’t have a lot to say about the Sony hack, which seems to still be ongoing. I want to highlight a few points, though. At this point, the attacks seem to be a few hackers and not the North Korean government. (My guess is that it’s not an insider, either.) That we live in the world where we aren’t sure if any given…

76

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…

79

Heartbleed

Heartbleed is a catastrophic bug in OpenSSL: “The Heartbleed bug allows anyone on the Internet to read the memory of the systems protected by the vulnerable versions of the OpenSSL software. This compromises the secret keys used to identify the service providers and to encrypt the traffic, the names and passwords of…

85

Google Calendar Unexpectedly Leaks Private Information

My wife likes to set reminders for herself in Google Calendar. Recently, she added a note to her personal Google Calendar reading "Email alice@example.com to discuss pay rise" and set the date for a few months from now. She'd had a discussion with her boss, Alice, and they'd agreed to talk about salary later in the…

86

Tor exit node operator prosecuted in Austria

June 30th, 2014 marks a turning point for Austria. Not only was the Vorratsdatenspeicherung (data retention) terminated preliminarily for good (no, really), the operation of TOR exit nodes supposedly was also declared a criminal offense by a regional criminal court. The accused was operating a TOR exit node which was…