DMARC
Practical guidance on Microsoft 365 security, Azure protection, Sentinel SIEM, and managed detection and response. Written by security engineers who configure, harden, and monitor Microsoft environments every day.
What Defender for Office 365 Misses: Findings from Real Assessments
Defender for Office 365 gaps usually come from policy, DMARC, and response issues. Here is what Falconer finds in real email security assessments.
Read moreSpear Phishing Prevention: Protection Strategies for Microsoft 365
Spear phishing prevention for Microsoft 365: Defender for Office 365, DMARC, MFA, user reporting, and response steps that actually reduce risk.
Read moreSpoofing vs Phishing: What Microsoft 365 Admins Need to Know
Email threats often get bucketed together, but spoofing vs phishing is not one problem. Knowing the difference changes what you fix first in Microsoft
Read moreCISA M365 Security Baseline: Complete Implementation Guide
CISA SCuBA baselines define security policies for 7 Microsoft 365 services. Learn what they cover, how to assess your tenant with ScubaGear, and how
Read moreNew Microsoft security guidance, when it lands.
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