Offensive Security, often referred to as OffSec, is a leading company in the field of information security, best known for its work in penetration testing and digital forensics. Founded by Mati Aharoni, the company has been a trailblazer in cybersecurity since its inception, providing advanced security courses and certifications. OffSec is behind the creation of the popular Kali Linux distribution and the ExploitDB vulnerability database, both of which are open-source projects. The company offers comprehensive cybersecurity training and certifications, such as the prestigious Offensive Security Certified Professional (OSCP) certification, which is renowned for its difficulty. OffSec’s training and certification programs are designed to equip individuals with hands-on skills in cybersecurity, aligning with frameworks like MITRE ATT&CK and D3FEND. The company serves a wide range of clients, including major technology companies and defense-related government agencies. OffSec regularly participates in prominent cybersecurity events, such as the annual Black Hat hacker conference. In 2019, the company received its first venture capital investment from Spectrum Equity, marking a significant milestone in its growth. The company’s commitment to an offense-informed defensive strategy has contributed to its reputation as a leader in the cybersecurity industry. OffSec’s headquarters is located in New York, and it has a strong presence in the global cybersecurity community. The company also emphasizes the importance of skills validation over mere credentials, reflecting its focus on real-world application of cybersecurity skills. In addition to its technical offerings, OffSec also engages in community initiatives, such as mental health awareness programs, highlighting its commitment to well-being alongside cybersecurity. Overall, OffSec is recognized for its contributions to the development of practical cybersecurity skills and its influence on the broader cybersecurity landscape.