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Cryptography
We have thousands of posts on a wide variety of open source and security topics, conveniently organized for searching or just browsing.



Targeted Attack Uses Heartbleed to Hijack VPN Sessions  22 April 2014 
Source: ThreatPost - Posted by Alex   
A targeted attack against an unnamed organization exploited the Heartbleed OpenSSL vulnerability to hijack web sessions conducted over a virtual private network connection.
 
Fixing OpenSSL's Heartbleed flaw will take MONTHS, warns Secunia  22 April 2014 
Source: The Register UK - Posted by Dave Wreski   
Expunging the Heartbleed bug from vulnerable computers and gadgets is likely to take months, according to a leading vuln research firm. The cautionary assessment by Secunia comes as more and more products are judged to be vulnerable to the infamous OpenSSL security flaw.
 
Parent gabfest Mumsnet hit by SSL bug: My heart bleeds, grins hacker  15 April 2014 
Source: The Register UK - Posted by Dave Wreski   
Twee UK parenting website Mumsnet is the second high-profile organisation to claim it has fallen victim to the infamous Heartbleed OpenSSL vulnerability.
 
Tests confirm Heartbleed bug can expose server's private key  14 April 2014 
Source: Network World - Posted by Dave Wreski   
Four researchers working separately have demonstrated a server's private encryption key can be obtained using the Heartbleed bug, an attack thought possible but unconfirmed.
 
Answering the Critical Question: Can You Get Private SSL Keys Using Heartbleed?  12 April 2014 
Source: CloudFare - Posted by Dave Wreski   
Below is what we thought as of 12:27pm UTC. To verify our belief we crowd sourced the investigation. It turns out we were wrong. While it takes effort, it is possible to extract private SSL keys. The challenge was solved by Software Engineer Fedor Indutny and Ilkka Mattila at NCSC-FI roughly 9 hours after the challenge was first published.
 
Schneier on Heartbleed  10 April 2014 
Source: Schneier on Security - Posted by Dave Wreski   
Basically, an attacker can grab 64K of memory from a server. The attack leaves no trace, and can be done multiple times to grab a different random 64K of memory. This means that anything in memory -- SSL private keys, user keys, anything -- is vulnerable. And you have to assume that it is all compromised. All of it.
 
The critical, widespread Heartbleed bug and you: How to keep your private info safe  10 April 2014 
Source: Network World - Posted by Dave Wreski   
No matter how hard you try to stay safe, some aspects of securing your online data are completely out of your hands. That fact was made painfully obvious on Monday, when the Internet got caught with its collective pants down thanks to a critical vulnerability affecting a fundamental tool for secure online communications.
 
Untraceable 'Heartbleed' Bug Lets Hackers Steal Encrypted Data  09 April 2014 
Source: International Business Times - Posted by Dave Wreski   
Many of the websites you use at home and in the office are vulnerable to hacking, according to researchers who uncovered a security flaw in OpenSSL, the open-source software that is used to encrypt online communications. Websites and apps that encrypt data with a password likely use OpenSSL, and the cryptographic library is used to secure the servers that work with more than 66 percent of active websites on the Internet.
 
Critical crypto bug in OpenSSL opens two-thirds of the Web to eavesdropping  08 April 2014 
Source: arsTechnica - Posted by Dave Wreski   
Researchers have discovered an extremely critical defect in the cryptographic software library an estimated two-thirds of Web servers use to identify themselves to end users and prevent the eavesdropping of passwords, banking credentials, and other sensitive data.
 
'Nearly unbreakable' crypto modeled off human body  07 April 2014 
Source: IT News - Posted by Dave Wreski   
University researchers claim to have designed a 'nearly unbreakable' cryptography model based on the human respiratory system, which they say could make life tough for criminals and spying governments.
 
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