Zero Trust is a security strategy that assumes networks are hostile and that trust must be continuously earned. Instead of “inside the firewall = trusted,” Zero Trust emphasizes strong identity, device health, least privilege, and segmented access.
Core ideas (business language)
- Verify explicitly: authenticate and authorize based on all available signals
- Least privilege: users and apps get only the access they need
- Assume breach: design so one compromised account does not own everything
What Zero Trust is not
- A single product you buy once
- Turning off the VPN and calling it done
- Only for massive enterprises
SMB starting points
- MFA + Conditional Access on cloud apps
- Managed, healthy devices accessing sensitive data
- Reduced standing admin rights
- Segmented remote access to internal systems
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