"Never trust, always verify." This is the mantra of Zero Trust. In the past, security relied on the perimeter—a castle wall protecting an internal trusted network. Today, with remote work and cloud services, that perimeter has dissolved.
Identity is the New Perimeter
In a Zero Trust architecture, identity becomes the primary control. Every access request—whether from a user's laptop or a service account—must be authenticated, authorized, and encrypted before access is granted.
Least Privilege Access
One of the key pillars of Zero Trust is the principle of least privilege. Users should only have access to the resources they need to do their job, and only for the duration of time they need it. This limits the blast radius if an account is compromised.
Continuous Monitoring
Security isn't a set-and-forget project. It requires continuous monitoring of network traffic and user behavior to detect anomalies that might indicate a breach. Implementing this doesn't have to be complex or expensive, but it does require a shift in mindset.