NIST Digital Auth and Password Rules

Passwords are important and it's no secret that we are bad in finding complex passwords during sign-up processes. The initial idea of OneID, or OAuth is not doing very well for the common user, and therefore people are registering on 100s of websites - commercial, social networks, banks etc. without

Linux TCP ACK Issue (Part 1)

A flaw in the Linux kernel used since late 2012 allows adversaries to inject malicious traffic, without MITM. In a Wednesday presentation at the USENIX Security Symposium researchers showed that this flaw lies in the Transmission Control Protocol (TCP) used by Linux since late 2012. In their research paper -

Guess Cookie, Hijack Session!

In addition to my previous article – Old Cookies Die Hard, and detailed disclosure of LinkedIn Vulnerability, I studied the cookie patterns from different websites. Many of these websites have complex patterns in the cookies which are long enough (> 100 characters) and complex (A-Z, a-z, 0-9 and symbols). In ideal case

Old Cookies Die Hard

HTTP Cookies have always been an important part of authentication, and session management. But, ever since the session management grew complex, its correlation with security has gone for a toss. Developers pay a lot of attention on keeping the session(s) valid, and more so valid even after a successful

LinkedIn Vulnerability

LinkedIn is a business-oriented social networking site. Founded in December 2002 and launched in May 2003, it is mainly used for professional networking. As of 22 March 2011, LinkedIn reports more than 100 million registered users, spanning more than 200 countries and territories worldwide. There exists multiple vulnerabilities in LinkedIn

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