Keep It Simple
Simplicity is a fundamental principle in designing and managing secure systems, influencing both user behavior and the reliability of security controls.
2 slides · 1 min read · Domain 3
Security does not need to be unnecessarily complex. In fact, simplicity often strengthens security, making expectations clearer and reducing opportunities for mistakes.
Straightforward procedures that are brief and unambiguous are easier for users to follow consistently and harder to misuse. Likewise, simple system designs are easier to test, validate, and demonstrate as correct than highly complex or overly sophisticated architectures. Complex systems often conceal hidden dependencies and edge cases that attackers can exploit. By contrast, simple, well-documented designs enable easier auditing, quicker identification of flaws, and more reliable patching-providing a stronger, more sustainable security posture over time.