Bruddmoduser

Bruddmoduser is a term used in cybersecurity discussions to refer to a hypothetical user profile that operates under breach conditions to test system resilience. The model describes the behaviors a compromised user might exhibit—such as attempting to escalate privileges, moving laterally, accessing sensitive data, or triggering monitoring alerts—within a controlled environment. It is used in security training, red-teaming exercises, and simulation platforms to evaluate detection and response capabilities.

Origin and usage: The term appears in Norwegian-language security forums and in early drafts of adversary-emulation approaches. It combines brudd (breach) with modus (mode) and a suffix akin to "user," producing a label for a breach-oriented persona.

In practice: Bruddmoduser profiles are parameterized by access level, available tools, and typical attacker goals. Scenarios may focus on persistence, data exfiltration, or avoidance of defenses. The profile is used to test logging, alerting rules, and incident response playbooks under realistic breach conditions.

Ethical and practical considerations: Use requires explicit authorization and adherence to legal and organizational policies. Bruddmoduser simulations should minimize risk to production data and privacy, and data collected during exercises should be handled according to data governance practices. Critics warn that poorly defined parameters can yield misleading results or enable misuse of the knowledge gained.

See also: adversary emulation, red team, security training, breach simulation.