Post-Phish Click Risky Sign-in
Correlates an email URL click with a subsequent risky sign-in from the same user within a short timeframe. This pattern is a strong indicator of a successful Adversary-in-the-Middle (AiTM) phishing attack, such as those conducted with the Tycoon2FA kit, where a user is tricked into authenticating through a malicious site, allowing the attacker to capture their session.
Sigma
