20 Nov 2025

Swiss Cheese Model of Risk Mitigation explained

Risk Management

Which is better when it comes to risk reduction: One major risk control that is 95% effective OR 4 minor controls, each of which is 60% effective? In applying ISO/IEC 27001:2022 to an information security management system (ISMS), one of the requirements in Clause 6.1.3.c) states: 'Compare the controls determined in 6.1.3 b) above with those of Annex A and verify that no necessary controls have ...
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