Operating Systems - Kali Linux Security tools for Information Gathering

The Operating System(OS) acts as a middle man between the Computer hardware and software. The operating system is a software which every other software that runs on users machine are built upon. Major operating systems are Windows, Linux, Unix etc. Also, there are other kind of Operating Systems called drivers. They are software that makes it possible for the main Operating system to communicate with any other hardware connected to the computer.

Kali Linux like the name implies is a variation of Linux Operating System. It comes along with a lot of security tools for Network Information gathering, penetrating testing tools, etc.
For some specific tools such as  DNS ENUM, DMITRY, NMAP allows a user to gather information(eg IP address, mac address, port numbers) across an organizations network.
Network information gathering tools are powerful tools, because for a successful network test(ethical hacking i must say), its best to gather as much information as possible about the targets machine.

A Better Legislation to Protect Internet Users Privacy and Counter File Effect

Privacy settings
Before facebook privacy settings, lots of websites collected users profile  information and store them on their own database for the purpose of advertisement or other uses (profileengine.com is a typical example of such websites). This is done without the prior knowledge of the users. After the facebook introduced its popular privacy settings, a lot users changed their privacy settings, which made their information not to be available for public. However, the information these websites stored about facebook users before they changed  their privacy settings still reside in their databases.