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Offsec

Offensive Security (OffSec) is a leading cybersecurity training and certification provider, best known for its hands-on, real-world approach to ethical hacking and penetration testing. OffSec is the creator of Kali Linux and offers highly respected certifications like OSCP, OSWA, OSWP, OSEP, OSWE, OSED, OSAI+, OSCE³, and OSEE, which emphasize practical exploitation, adversary simulation, and red teaming techniques. Their courses challenge students to develop critical thinking, persistence, and problem-solving skills in high-pressure scenarios, making OffSec certifications highly valued in the cybersecurity industry.

Elementary

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SEC-100: Cybersecurity Essentials Certification (OSCC-SEC)

Focus: Cybersecurity fundamentals

Best for: Building foundational offensive and defensive skills

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PEN-103: Kali Linux Revealed (KLCP)

Focus: Kali Linux

Best for: Learning practical Kali Linux administration

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Intermediate

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PEN-200: Penetration Testing with Kali Linux (OSCP)

Focus: Penetration testing

Best for: Building professional hands-on pentesting skills

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OSWA badge

WEB-200: Foundational Web Application Assessments with Kali Linux (OSWA)

Focus: Web application pentesting

Best for: Learning practical web application assessment

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PEN-210: Foundational Wireless Network Attacks (OSWP)

Focus: Wireless penetration testing

Best for: Pentesters specialising in Wi-Fi security

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Advanced

OSEP badge

PEN-300: Advanced Evasion Techniques and Breaching Defenses (OSEP)

Focus: Evasion & enterprise pentesting

Best for: Experienced pentesters tackling hardened environments

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OSWE badge

WEB-300: Advanced Web Attacks and Exploitation (OSWE)

Focus: Advanced web exploitation

Best for: Experienced web pentesters and source-code reviewers

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OSED badge

EXP-301: Windows User Mode Exploit Development (OSED)

Focus: Windows exploit development

Best for: Pentesters moving into exploit development

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OSAI+ badge

AI-300: Offensive AI (OSAI+)

Focus: AI red teaming

Best for: Experienced testers specialising in AI security

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Expert

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EXP-401: Advanced Windows Exploitation (OSEE)

Focus: Advanced exploit development

Best for: Expert exploit developers and vulnerability researchers

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OSCE³ badge

OffSec Certified Expert 3 (OSCE³)

Focus: Offensive security mastery

Best for: Professionals completing OffSec's advanced offensive track

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