Offensive Security That Uncovers What Others Miss

OnDefend is an offensive security firm specializing in elite penetration testing, red teaming, and adversary simulation services for enterprise security teams. The company goes beyond checkbox compliance testing to uncover the hidden risks and attack paths that traditional security assessments routinely miss. OnDefend's operators simulate real-world adversary tactics, techniques, and procedures to validate whether an organization's defenses can withstand targeted attacks from sophisticated threat actors.

OnDefend's approach combines manual expert-driven testing with custom tooling to replicate the full kill chain of advanced persistent threats. Their engagements cover network penetration testing, application security assessments, social engineering campaigns, and purple team exercises that stress-test detection and response capabilities. By providing detailed findings with actionable remediation guidance, OnDefend enables security teams to close gaps, harden defenses, and measure their security program's effectiveness against the threats that matter most.