Hacking is a quiet cool topic for every geeks, As we know almost all hacking operation system based on Linux kernel. Because their vast set of free penetration testing tools which help hackers to identify vulnerability of victims computer. Lot’s of cool hacking packages by default loaded on hacking operating system, Like Meta Exploit, Nmap, John The Ripper, THC Hydra etc. Which helps hacker to quick identify vulnerability on victims pc.
Here I am going to preset most favorite 5 hacking operating system used by hackers.
hackers-operating-system

1. Kali Linux

Kali Linux is a Debian-based Linux distribution aimed at advanced Penetration Testing and Security Auditing. Kali contains several hundred tools which are geared towards various information security tasks, such as Penetration Testing, Security research, Computer Forensics and Reverse Engineering. Kali Linux is developed, funded and maintained by Offensive Security, a leading information security training company.
Kali Linux was released on the 13th March, 2013 as a complete, top-to-bottom rebuild of BackTrack Linux, adhering completely to Debian development standards.
Features:
* More than 600 penetration testing tools included
* Free and always will be
* Open source Git tree
* FHS compliant
* Wide-ranging wireless device support
* Custom kernel, patched for injection
* Developed in a secure environment
* GPG signed packages and repositories
* Multi-language support
* Completely customizable
* ARMEL and ARMHF support


2. Parrot Security OS

Parrot Security is developed in collaboration with Caine, one of the most important GNU/Linux distributions in the Digital Forensics world.
One of our purposes is to provide the best forensics enviromnent ever seen in a security distro, in fact the entire system is hardened to not perform device automounts and to provide all the tools needed to do forensic acquisitions and evidence identifications in a safe comprehensive and portable virtual lab.
Parrot includes the most famous frameworks,
it has many reliable acquisition and imaging tools
and the top class analysis, evidence management and reporting softwares,
all of them on top of a reliable OS designed to not alter the proof.
Features:
* Debian GNU/Linux 9 (stretch)
* Custom Linux 4.9 kernel
* Rolling release updates
* Hardened and isolated build environment
* Powerful worldwide mirror servers
* High hardware compatibility
* Community-driven development
* free(libre) and open source project


3. Network Security Toolkit (NST 24)

Network Security Toolkit (NST) is bootable ISO live DVD/USB Flash Drive (NST Live) is based on Fedora. The toolkit was designed to provide easy access to best-of-breed Open Source Network Security Applications and should run on most x86_64 systems.
The main intent of developing this toolkit was to provide the security professional and network administrator with a comprehensive set of Open Source Network Security Tools. The majority of tools published in the article: Top 125 Security Tools by INSECURE.ORG are available in the toolkit. An advanced Web User Interface (WUI) is provided for system/network administration, navigation, automation, network monitoring, host geolocation, network analysis and configuration of many network and security applications found within the NST distribution. In the virtual world, NST can be used as a network security analysis validation and monitoring tool on enterprise virtual servers hosting virtual machines.
Features:
* NST Web User Interface (WUI) as a system management for NST Linux
* A lot of monitoring tools such as Network Interface, Bandwidth Monitor, ntop, ntopng, bandwidthd, Nagios Core, Zabbix and more
* A lot of security tools such as Nmap, Nessus, Snort IDS, Hydra Console, ClamAV Virus Scanner, OS Fingerprinting and more
* Database tools for MySQL and postgreSQL
* System tools such as Minicom Access Terminal Server, Remote System Command, File System Management and more
* Developer tools such as NST JavaScript Console, Webkit: SunSpider JavaScript Benchmark, Perl Prompt, PHP Prompt, Python Prompt and Tcl Prompt
* Complete documentations, pre-built scripts and how-to’s
Also Read: How to install and run any linux distribution from usb drive

4. BackBox

BackBox is more than an operating system, it is a Free Open Source Community project with the aim to promote the culture of security in IT environment and give its contribute to make it better and safer. All this using exclusively Free Open Source Software by demonstrating the potential and power of the community. Designed to be fast, easy to use and provide a minimal yet complete desktop environment, thanks to its own software repositories that are constantly updated to the latest stable version of the most popular and best known ethical hacking tools.
BackBox have built one of the very first cloud platforms for penetration testing. If you are interested or curious about exploring BackBox Cloud services please raise an enquiry or pre-register to be among the first BackBox Cloud services clients!

5. DEFT Linux

DEFT Zero is a light version of Deft specifically designed to the forensic acquisition of the digital evidence.Among the biggest features: the support to NVMExpress memories (Mac Book ed. 2015), the eMMC memories and the UEFI support.DEFT stands for Digital Evidence and Forensic Toolkit and it’s an open source distribution of Linux built around the DART (Digital Advanced Response Toolkit) software and based on the Ubuntu operating system.