Definition of Operating System
An Operating System (OS) is an
intermediary between users and computer hardware. It
provides users an environment in
which a user can execute programs conveniently and
efficiently.
In technical terms,it is software
which manages hardware. An operating System
controls the allocation of
resources and services such as memory, processors, devices and information.
An operating system is a program
that acts as an interface between the user and the computer
hardware and controls the execution of all kinds of programs.
Brief Story about Hacker
In the computer security context, a hacker is someone
who seeks and exploits weaknesses in a computer system or computer network.
Hackers may be motivated by a multitude of reasons, such as profit, protest,
challenge, enjoyment, or to evaluate those weaknesses to assist in removing
them. The subculture that has evolved around hackers is often referred to as
the computer underground and is now a known community. While
other uses of the word hacker exist that are not related to computer
security, such as referring to someone with an advanced understanding of
computers and computer networks, they are rarely
used in mainstream context. They are subject to the longstanding hacker
definition controversy about the term's true meaning. In this controversy, the
term hacker is reclaimed by computer programmers who argue that someone
who breaks into computers, whether computer criminal (black hats) or computer
security expert (white hats), is more appropriately called a cracker
instead. Some white hat hackers claim
that they also deserve the title hacker, and that only black hats shouldbe called "crackers".
DEFT
Linux:
The open source Linux distribution
DEFT stands for Digital Evidence and Forensic Toolkit. It’s based on Ubuntu and
built around the DART (Digital Advanced Response Toolkit) software. It comes
with many popular forensic tools and documents that can be used by ethical
hackers, penetration testers, IT security specialists, and other individuals.
Download DEFT Linux
Caine:
Caine is an Ubuntu-based
security-focused distro that is available as a live disk. It stands
for Computer Aided Investigation Environment and can also be run from the
hard disk after installation. This Linux distro comes with a wide range
of tools to help you in system forensics.
Caine comes with a large number of
database, memory, forensics, and network analysis applications. This distro for
ethical hacking also features common applications like web browsers, email
clients, document editors etc. for usual computing purposes.
Download Caine
Network
Security Toolkit (NST):
Network Security Toolkit is a
Fedora-based Linux distro that runs on 32 and 64-bit platforms. This bootable
live CD was created to give you an access to the best open source network
security applications for pen testing purposes. This easy-to-use hacking distro
easily converts the x86 systems into an ethical hacking machine that is helpful
in intrusion detection, network traffic sniffing, network packet generation,
network/host scanning etc.
Download Network Security Toolkit
BlackArch
Linux:
BlackArch Linux is available as
a complete Linux distribution for security researchers and ethical hackers.
It’s derived from Arch Linux and one can also install the BlackArch Linux
components on top of it.
The constantly growing repo of this
useful operating system for hacking purposes is stuffed with more than 1400
tools that are thoroughly tested before being added to the codebase.
Download BlackArch Linux
Bugtraq:
Available in Debian, Ubuntu, and
OpenSuSe, Bugtraq is famous for its electronic mailing list that is purely
dedicated to computer security. The issues that are covered are vulnerability
discussion, security-related announcements, exploitation methods etc. The
Bugtraq Team consists of experienced hackers and developers that offer a great
service for ethicals and pen testers.
Bugtraq comes with tons of pen
testing tools including mobile forensic tools, malware testing tools and
other software developed by the Bugtraq-Community.
Download Bugtraq
Kali
Linux:
Developed by Offensive Security as
the rewrite of BackTrack, Kali Linux distro tops our list of the best operating
systems for hacking purposes. This Debian-based OS comes with 600+ preinstalled
pen testing tools that make your security toolbox richer. These versatile tools
are updated regularly and are available for different platforms like ARM and
VMware. For a forensic job, this top hacking operating system comes with a live
boot capability that provides a perfect environment for vulnerability
detection.
Download Kali
Linux
Free eBook: Kali Linux Cookbook
Parrot
Security OS:
Debian-based Parrot Security OS is
developed by Frozenbox’s team. This cloud-friendly operating system is designed
for ethical hacking, pen testing, computer forensics, ethical hacking,
cryptography etc. Compared to others, Parrot Security OS promises a lightweight
OS that is highly efficient. Along with its plethora of legally recognized
tools, you also get the opportunity to work and surf anonymously.
For those who don’t know, Parrot
Security OS is a mixture of Frozenbox OS and Kali Linux. The OS uses Kali
repos for updating its tools, but it has its own dedicated repo for storing the
custom packets. It comes with MATE desktop environment and the powerful
interface is derived from famous Gnome 2. This highly customizable hacking
oeprating system also comes with a strong community support.
Download Parrot Security OS
BackBox:
BackBox Linux is an Ubuntu-based
operating system with its focus on security assessment and penetration testing.
BackBox Linux comes with a wide range of security analysis tools that help you
in web application analysis, network analysis etc. This fast and easy to use
hackers’ favorite Linux distro comes with a complete desktop environment. The
software repos of the hacking tools in this hacking operating system are
regularly updated with the most stable versions.
Download BackBox Linux
Samurai
Web Testing Framework:
Samurai Web Testing Framework is
basically a live Linux environment that comes pre-configured to work as a web
pen-testing platform. The framework contains multiple free and open source
hacking tools for detecting vulnerabilities in websites. It’s often called the
best operating system for Web Penetration Testing.
Download Samurai Web Testing Framework
Pentoo
Linux:
Pentoo is a
pen testing operating system that is available as a 32 and 64-bit installable
Live CD. You can also use Pentoo on top of an existing Gentoo Linux
installation. This XFCE-based distro comes with persistence support that allows
you to save all the changes you make before running off a USB stick.
This excellent hacking operating
system comes with a wide variety of tools that fall under categories like
Exploit, Cracker, Database, Scanner etc. This Gentoo derivative inherits the
Gentoo Hardened feature set that brings additional control and configuration.
Download Pentoo
Linux
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