How to Back Up Cyber Insurance Questionnaire Answers With Verifiable Evidence
A security consultant argues that cyber insurance questionnaire answers such as MFA coverage and EDR deployment should be backed by documented evidence rather than assumptions. The piece cites a 2022 case in which an insurer and a manufacturer agreed to rescind a policy after the insurer said MFA protected only the firewall, showing how unsupported answers can void coverage. It recommends using command-line exports and audits to find accounts lacking MFA, comparing EDR agents against asset inventories, checking email authentication records like DMARC, and keeping dated backup restore logs. The author suggests organizing evidence into dated folders starting about 90 days before policy renewal, and advises consulting a broker and coverage lawyer about rescission rules in one's state.
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