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Your email is the master key. Here is how to lock it.

Why this matters

Microsoft 365 holds your email, files, calendar, and business contacts. A single compromised account gives an attacker access to all of it, including the ability to reset passwords for every other tool that sends recovery emails to that inbox. The good news is that the most impactful protections are settings you control, not tools you have to buy. Most small businesses have never reviewed them.

  • Credential stuffing is automated, fast, and does not require targeting you directly. When any vendor you use gets breached, attackers try that login across your other accounts.

    How most business account compromises actually start

  • MFA blocks over 99% of account compromise attacks.

    Why turning on multi-factor authentication is the single highest-impact step

    Source: Microsoft Security Research

Helix Stax

Free Checklist for Hampton Roads Small Businesses

The Microsoft 365 Security Checklist

Most M365 accounts are not as secure as the owner thinks. This checklist walks you through the five areas attackers check first.

What you get

  • Identity and MFA: enforce MFA for every user and block legacy authentication
  • Email security: anti-phishing policies, external forwarding controls, SPF/DKIM/DMARC
  • Access and sharing: guest accounts, external sharing, conditional access basics
  • Devices and data: managed devices, data loss prevention, why M365 is not a backup
  • Monitoring and offboarding: audit logging, alerts, same-day access removal

Preview

  • Enforce MFA for every user and block legacy authentication
  • Control external email forwarding and set anti-phishing policies
  • Review guest accounts and limit external sharing
  • Understand why M365 is not a backup
  • Turn on audit logging and review alerts

Get the full checklist free.

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