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OffSec

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259 reviews
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  • 3 categories
Average star rating
4.6
Serving customers since
2006
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Kali Linux

243 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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Lakshya  M.
LM
Lakshya M.
CSE Student at IET LUCKNOW
03/09/2026
Validated Reviewer
Review source: Organic

Essential Cybersecurity Toolkit with Room for UI Improvement

I use Kali Linux mostly for my academic studies and for building projects that include cybersecurity. It's considered the best OS for cybersecurity, solving problems like penetration testing and network auditing, which help me go deeper into it. The best part is the 'batteries included' approach, where almost every tool you need for penetration testing like Nmap, Metasploit, or Wireshark is pre-installed and configured. These tools play a major role, with Nmap acting as a digital radar system for networks, Metasploit acting as a master key for penetration testing, and Wireshark helping in analyzing the network by reading the data packets being traveled from frontend to backend.
Verified User in Education Management
IE
Verified User in Education Management
02/19/2026
Validated Reviewer
Review source: G2 invite
Incentivized Review

Advanced, Secure OS for Reliable Penetration Testing

An advanced and secure environment for hacking or penetration testing of any website or app. It’s essential to have a reliable, secure operating system that supports different tools and provides a stable environment for these operations.
Jeni J.
JJ
Jeni J.
Software Dev , Ai Agents Builder
02/18/2026
Validated Reviewer
Review source: G2 invite
Incentivized Review

Essential for Cybersecurity Learning

I use Kali Linux for learning and practicing cybersecurity. It helps me test security tools, understand vulnerabilities, and improve my penetration testing skills. I like that it provides everything I need in one place for testing, analyzing, and practicing cybersecurity without extra setup. What I like most about Kali Linux is that it comes with a wide range of built-in security tools. It’s ready to use, powerful, and specially designed for penetration testing and learning cybersecurity. The built-in tools in Kali Linux help me practice different types of security testing like network scanning, vulnerability analysis, and password testing.

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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.

Details

Year Founded
2006
Website
www.offsec.com