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OffSec

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261 reviews
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4.6
Serving customers since
2006
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Kali Linux

245 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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Ravi B.
RB
Ravi B.
Looking for Big data and data engineering projects having spark,hadoop,hive,talend,sql,java implementations
08/04/2026
Validated Reviewer
Review source: G2 invite
Incentivized Review

Most configurable Linux distribution

Linux Kali gives users the most exhaustive provision for manipulating, enhancing, configuring the Linux distributions internal settings and features. It is true developers operating system.
Bob V.
BV
Bob V.
Founder and CTO at RaptorLabs / CISO @ Cyberlink Security | Software Architect | Web3 SaaS & Security Solutions | Risk & Security Intelligence | OSINT & Blockchain Forensics |
07/09/2026
Validated Reviewer
Review source: G2 invite

Essential Toolkit for Security Professionals

I really like Kali Linux for its comprehensive suite of preinstalled tools. Everything I need for testing, like nmap, Metasploit, and BurpSuite, is all there so I can quickly get started with no complicated setup. The initial setup was relatively straightforward since most tools are preinstalled, and it allowed my team to start working in a couple of hours without major issues.
Smit K.
SK
Smit K.
Cyber Security Analyst | SOC Analyst | Penetration Testing | VAPT | SIEM | Python (OOP) | SQL (MySQL) | Threat Detection 🔧 Tools I Work With:Nmap | Burp Suite | Wireshark | Metasploit | MySQL | Linux
07/05/2026
Validated Reviewer
Verified Current User
Review source: G2 invite
Incentivized Review

Kali Linux is my go‑to OS as a SOC Analyst

I’m a SOC Analyst in a small security team. Kali Linux is my everyday carry for quick triage and forensics. All the tools I need – Wireshark, Volatility, Nmap, Autopsy, tcpdump – are already installed and configured. I don’t waste time downloading or compiling anything when an alert fires. I keep a persistent Kali USB on my keyring. If a client calls with a suspected breach, I boot their machine from my stick and I’m in my own clean environment in two minutes, with all my scripts and aliases ready. The whole team uses the same custom Kali image, so investigation runbooks work identically for everyone – no tool version mismatches. And it’s free, which matters a lot for a tiny team with no budget for commercial forensics suites.

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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