Broken authentication is a major security risk where flawed or incomplete login protections allow attackers to compromise accounts. OWASP identifies it as one of the most critical web application threats, and its impact is significant—80% of Canadian organizations reported cyberattacks in 2020. Because authentication is central to most applications, weaknesses like missing MFA, insecure password practices, or poor session management make systems attractive targets. This checklist helps determine whether your identity systems are vulnerable and highlights essential safeguards to strengthen authentication and reduce exposure to attacks.

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