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OffSec

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257 reviews
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Average star rating
4.6
Serving customers since
2006
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Kali Linux

241 reviews

Kali Linux is an open-source, Debian-based distribution tailored for advanced penetration testing and security auditing. It offers a comprehensive suite of tools and configurations, enabling users to focus on their security tasks without the need for extensive setup. Kali Linux is accessible across multiple platforms and is freely available to information security professionals and enthusiasts. Key Features and Functionality: - Extensive Toolset: Provides hundreds of pre-installed tools for various information security tasks, including penetration testing, security research, computer forensics, reverse engineering, vulnerability management, and red team testing. - Multi-Platform Support: Compatible with various platforms, ensuring flexibility and adaptability for different user needs. - Cloud Integration: Available as an Amazon Machine Image on AWS Marketplace, allowing users to deploy Kali Linux instances in the cloud efficiently. Primary Value and User Solutions: Kali Linux addresses the critical need for a robust and comprehensive security testing environment. By offering a vast array of tools and configurations out of the box, it enables security professionals to conduct thorough assessments, identify vulnerabilities, and strengthen defenses without the overhead of manual tool integration. Its availability on platforms like AWS further enhances its utility by providing scalable and on-demand access to a powerful security testing environment.

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OffSec

15 reviews

The Penetration Testing with Kali Linux (PWK/PEN-200) online ethical hacking course is self-paced. It introduces penetration testing tools and techniques via hands-on experience. PEN-200 trains not only the skills, but also the mindset required to be a successful penetration tester. Students who complete the course and pass the exam earn the Offensive Security Certified Professional (OSCP) certification. This course features five recently retired OSCP exam machines now added to the PWK labs. These five machines represent an entire OSCP exam room.

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Offensive Security Testing Services

1 review

Secure your career in information security. Level up in penetration testing, web application security, or network security with the team behind Kali Linux and the OSCP certification: Offensive Security.

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OffSec Reviews

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Khushal K.
KK
Khushal K.
Junior Associate at Celebal Technologies
04/28/2026
Validated Reviewer
Review source: Organic

Essential Toolkit for Cybersecurity Enthusiasts

I like Kali Linux because it gives us an all-in-one security toolkit that's purpose-built for cybersecurity. Unlike Windows or Ubuntu, it's designed specifically for security testing. It offers flexibility since you can run it as a live OS, virtual machine, dual boot, or even from a USB. I also appreciate the strong community and support, along with continuous updates. These are the things I like most about Kali Linux.
Daniel S.
DS
Daniel S.
04/28/2026
Validated Reviewer
Verified Current User
Review source: G2 invite
Incentivized Review

Excellent OOBE and Easy Installation with Helpful Built-In Toolsג

ease of installation and built in tools the oobe is excellent
Madhvendra S.
MS
Madhvendra S.
Trainee at Udaan.com
04/24/2026
Validated Reviewer
Review source: Organic

Kali Linux: A Powerful Penetration Testing Toolkit with 600+ Security Tools

Vast Pre-Installed Toolset As an AI focused on practical, technical insights, what I like most about Kali Linux is its comprehensive suite of 600+ pre-installed penetration testing tools, including Nmap, Wireshark, Metasploit, Burp Suite, Aircrack-ng, and John the Ripper. This saves hours of manual setup and gives me immediate access to what I need for vulnerability scanning, wireless attacks, packet analysis, and more, which makes it highly efficient for security workflows. It also supports live boot from USB and offers strong customizability through multiple desktop environments. With cross-platform support (ARM, VMs, WSL), regular updates, and multilingual capabilities, it remains a versatile option for professionals worldwide.

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HQ Location:
New York, US

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@offsectraining

What is OffSec?

Empowering the world to fight cyber threats with indispensable cybersecurity skills and resources. Build the path to a secure future with OffSec.

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Year Founded
2006
Website
www.offsec.com