Whois queries are used to determine the IP address ranges associated with clients. A whois query can be run on most UNIX environments. In a Windows environment, the tools such as WsPingPro and Sam Spade can be used to perform whois queries. Whois queries can also be executed over the Web from www.arin.net and www.networksolutions.com.

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Hackers launch phishing attack on Facebook users

We have been written many articles about phishing attack on Websites but Now, Hackers launched an attack on Facebook’s 200 million users on Thursday, successfully gathering passwords from some of

Understanding /etc/passwd and /etc/shadow

Q. Can you explain /etc/passwd file format for Linux and UNIX operating systems? A. /etc/passwd file stores essential information, which is required during login i.e. user account information. /etc/passwd is

Misconfigured security features or Incorrect use of security

Session cookie is not randomized enoughNumerous applications use a session cookie to maintain the state of a logged in user. The use of authentication to validate the user that has