Microsoft 365 • Email
Email security that actually helps
The best email security reduces phishing and impersonation without blocking legitimate work. Here’s what “good” looks like: filtering that’s accurate, safer clicks, and protections against spoofed executives.
What to prioritize first
- Impersonation protection: detect look-alike domains and fake “CEO” emails.
- Safe links / attachment scanning: reduce risky clicks and malware delivery.
- DMARC/SPF/DKIM alignment: reduce spoofing of your domain (where applicable).
- MFA enforcement: phishing becomes less damaging when logins can’t be reused easily.
How to avoid user frustration
- Start with a baseline policy, then tune false positives over 2–4 weeks.
- Use clear quarantine workflows and fast release/allowlisting.
- Protect high-risk users (executives, finance, HR) with stronger policies.
A quick “health check” for your environment
- Do you have MFA enforced for all users?
- Can external forwarding rules be created freely?
- Do you have spoof/impersonation protection configured?
- Are risky sign-ins and alerts being monitored?
If you’re unsure, a quick baseline review usually finds fast wins.
Want Vanguard to tighten email security the right way?
We’ll reduce risk, tune policies, and keep user experience smooth.