Conducting Internal Network Penetration Test Overview An internal network penetration test simulates an attacker who has already gained access to the internal network or a malicious insider. The tester operates from an "assumed breach" position — typically a standard domain workstation or network jack — and attempts lateral movement, privilege escalation, credential harvesting, and data exfiltration to determine the blast radius of a compromised endpoint. When to Use - When conducting security assessments that involve conducting internal network penetration test - When following incident resp…