5 Essential Cybersecurity Defenses for Cloud Email Security
KnowBe4, Thursday, July 2nd, 2026
KnowBe4 outlines a layered defense for cloud email since no single control stops every attack.
Written by CISO Advisor Erich Kron, this KnowBe4 article outlines a layered security approach for protecting cloud email systems, emphasizing that no single control prevents all attacks.
It recommends five defenses: phishing-resistant MFA, email authentication protocols, account takeover detection, advanced threat protection, and security awareness training combined with secure business processes.
Together these controls reduce the risk of credential theft, spoofing, and account compromise. The piece stresses defense-in-depth as the practical path to resilient email security.