🌍 Day 15 — Control #14: Email Security Gateway Testing
Theme: The most dangerous email isn’t the one you open — it’s the one you trust.
Every organization believes their email is secure.
Until one phishing link… one fake invoice… one trusted contact…
turns confidence into chaos.
Email remains the #1 entry point for breaches — not because tools fail,
but because controls go untested.
🔹 Filters miss evolving threats.
🔹 SPF/DKIM/DMARC aren’t always aligned.
🔹 Users click before systems react.
Today’s control test:
“Simulate a phishing campaign. Measure click rates, email quarantine efficacy, and alert responsiveness.”
Trust in email is earned — not assumed.
When you test your gateway, you test your human firewall too.
🧠 Control Testing Checklist
✅ Validate SPF, DKIM, and DMARC records are correctly configured
✅ Test quarantine and alert response timing
✅ Simulate phishing or spoof scenarios safely
✅ Measure user awareness and response metrics
💡 Core Insight
Technology filters emails. Awareness filters breaches.
⚙️ CTA
Follow #WDTD #AuditSecIntel #CISO2Ai #TrustByDesign
🌍 Visit wdtd.org to download the Email Security Testing Checklist
🔁 Comment “Phish-Free” if your last simulation had a zero-click score
Leave a Reply