Caleb Sargent is a seasoned cybersecurity professional, boasting over 8 years of experience in threat emulation. He specializes in various areas, including red teaming, purple teaming, penetration testing, and physical security assessments. Previously a consultant at Optiv where he obtained the OSCP, and currently serving as an Offensive Security Engineer at PayPal, Caleb orchestrates and executes red team engagements by focusing on enhancing security effectiveness through purple team engagements within both cloud and internal networks. Caleb demonstrates his ability to identify vulnerabilities and mitigate risks through active participation in bug bounty programs on platforms like HackerOne and PayPal, contributing as both a researcher and in supportive roles. Additionally, he has refined his skills through endpoint detection and response testing, further enhancing his expertise in cybersecurity. Caleb has presented the following talks: Optiv Team Summit 2018 - OSINT from the Ground Up, Optiv Team Summit 2019 - Bypassing Windows Defender, Optiv Team Summit 2020 - Data Security for Consulting and PayPal ECS Conference 2021 - Anatomy of a Red Team Engagement.
