開発作業がほとんど完了していないレガシー Web アプリケーションで、いくつかのインシデントが発生しました。インシデントの原因として最も可能性が高いのは次のどれですか。
正解:C
Outdated librariesin a legacy web applicationintroduce security vulnerabilities, as theylack modern patchesandcontain known exploits. * Option A (Misconfigured WAF)can contribute to security issues but is notinherent to legacy applications. * Option B (Data integrity failure)is apotential impactbut not a direct cause of recurring incidents. * Option D (Insufficient logging)affects detection, but theroot causeisinsecure, outdated components. Thus,C (Outdated libraries) is the correct answer, aslegacy applications frequently suffer from unpatched vulnerabilities.