Email Security & Threat Intelligence
Phishing defense, email security, and threat intelligence insights from VGuard Cyber.
Why SPF, DKIM, and DMARC Still Fail to Stop Business Email Compromise
Email authentication protocols stop spoofing. They don’t stop compromised accounts or lookalike domains.
Read More →The Anatomy of a Modern Spear-Phishing Attack
Targeted phishing attacks now use AI to personalize messages at scale. Here’s exactly how they work.
Read More →Business Email Compromise: The $43 Billion Problem Most SMBs Ignore
BEC attacks cost more than ransomware combined. Most occur without any malware at all.
Read More →Deploying DMARC at Enforcement: A Step-by-Step Guide
Moving DMARC from monitoring to enforcement is where most organizations stall. Here’s how to get it done.
Read More →The Top Email Threat Actors Targeting Your Industry in 2026
Different industries face distinct threat actor profiles with different attack patterns and objectives.
Read More →How to Test Your Organization’s Phishing Susceptibility
Phishing simulations reveal what security training alone cannot — actual employee behavior under pressure.
Read More →Vendor Email Compromise: The Attack Vector Finance Teams Miss
Attackers increasingly target vendor relationships to intercept invoice payments undetected.
Read More →Email Security Audit: 12 Things to Check Before You’re Breached
A systematic review of email security configuration that every business should run quarterly.
Read More →AI-Generated Phishing: How to Detect It Before Your Team Does
AI now enables hyper-personalized phishing at a scale that manual review can’t match.
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