Glossary
Zero Trust
Zero trust means 'never trust, always verify.' Just because you're inside the office network doesn't mean you're trusted. Every access request is verified like you're a stranger.
What is Zero Trust?
Security model that requires strict identity verification for every person and device accessing resources, regardless of location.
Why Should You Care?
Identity-based attacks are now among the most common breach entry points, and attackers exploit weak internal controls to spread laterally through networks, often moving undetected for extended periods before causing damage. Zero Trust limits this lateral movement by enforcing microsegmentation and least-privilege access, preventing a single compromised credential from becoming an organization-wide catastrophe. Without Zero Trust, one stolen login can give an attacker a trusted foothold to reach databases, file servers, and admin systems across the environment.
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Real-World Example
An employee's laptop is infected with malware through a phishing email. In a traditional network, the attacker immediately pivots to other systems because the laptop is trusted once on the corporate network. With Zero Trust, the infected device is isolated through microsegmentation, access requests are rejected until the device passes security checks, and the anomalous behavior triggers automatic revocation of sessions. The breach remains contained to that single endpoint instead of spreading across databases and file servers.
How to Protect Against Zero Trust
- 1.
Start zero trust journey with MFA everywhere
- 2.
Implement least privilege access controls
Related Terms
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