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The CISO’s Guide to Post-Perimeter Phishing Defense

Phishing defense does not end when an email reaches the inbox.

Even with email security controls in place, phishing threats get through. Security leaders need a way to find what was missed, respond before exposure grows, and show that their efforts are reducing risk.

The CISO’s Guide to Post-Perimeter Phishing Defense outlines four operational requirements for building a faster, more measurable response:

  • Find threats perimeter defenses missed. Combine phishing-specific AI, employee reporting, and validated threat intelligence to uncover known and evasive campaigns.
  • Investigate and process threats quickly. Cut through noise, connect related activity, and automate routine analysis so analysts can focus on high-risk threats.
  • Remove threats across the enterprise. Find and quarantine confirmed threats and related variants wherever they appear.
  • Prove risk reduction. Track detection, remediation, automation, and efficiency to show how your program improves over time.