Cyber threats are evolving rapidly, and relying on passwords alone is no longer enough to protect your business. If a hacker breaches your email, could they take control of your entire Microsoft 365 environment? The answer, unfortunately, is yes—unless you take the right precautions.
Follow these essential steps to secure your Microsoft 365 account and keep cybercriminals out.
Separate Your Microsoft 365 Admin Account from Your Mailbox
One of the biggest security risks businesses face is using their primary email address as their Microsoft 365 (M365) admin account. If that email gets hacked, cybercriminals can gain full control over your company’s data, emails, and cloud applications.
- Create a dedicated admin account (e.g., system.adm@yourcompany.com) that is separate from any user mailbox.
- Use a strong, unique password that is not shared with any other service.
- Restrict admin access by limiting logins to trusted devices or specific IP addresses.
How to Remove the Global Admin Role from a User Account:
- Log in to the Microsoft 365 Admin Center.
- Navigate to Users > Active Users.
- Select the user who currently has Global Admin access.
- Click Manage Roles and uncheck Global Administrator.
- Assign only necessary roles, such as Exchange Admin or SharePoint Admin.
- Demote the mailbox from an admin account to a regular user to prevent unauthorized system-wide access.
Enable Multi-Factor Authentication (MFA)
Separating your admin account is the first step—now, let’s add an extra layer of security with Multi-Factor Authentication (MFA). MFA requires a second verification step, such as an SMS code or a mobile app notification, before allowing access.
- Blocks 99% of unauthorized login attempts
- Prevents phishing attacks and credential leaks
- Ensures compliance with cybersecurity best practices
How to Enable MFA in Microsoft 365:
- Go to Azure AD > Users > Multi-Factor Authentication.
- Alternatively, navigate to Azure AD > Properties > Managed Security Defaults.
- Require employees to register with the Microsoft Authenticator App for seamless verification.
Reduce Risks with Conditional Access Policies
For an extra layer of security, set up Conditional Access Policies in Microsoft 365. These policies automatically block suspicious login attempts and enforce security protocols based on risk levels.
- Require MFA for logins from untrusted locations.
- Restrict access to sensitive data based on device security status.
- Limit admin privileges based on job role and necessity.
How to Set Up Conditional Access:
- Go to Azure AD > Security > Conditional Access.
- Click New Policy and configure security rules based on risk factors.
- Test policies to ensure legitimate users are not blocked.
Why Businesses in Atlanta and Georgia Need Managed IT Services
Managed IT providers (MSPs) play a crucial role in securing business operations. With cyber threats targeting companies of all sizes, outsourcing IT security ensures continuous monitoring and fast response to threats.
- 24/7 security monitoring to detect and prevent attacks
- Proactive updates and patch management
- Expert support to secure cloud applications like Microsoft 365
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