What does the term "zero trust" mean in cybersecurity?

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The concept of "zero trust" in cybersecurity represents a proactive approach to security that fundamentally shifts the way trust is established within an organization. It is based on the principle that no user, device, or application should be automatically trusted, regardless of whether they are inside or outside the network perimeter. This framework necessitates continuous verification of every user and device attempting to access resources.

The rationale behind zero trust is grounded in the understanding that threats can originate from both external sources and within the internal network itself. By not trusting any entity by default, organizations can mitigate potential risks and vulnerabilities that arise from both insider threats and external attacks. This model encourages the implementation of strict access controls, user authentication, and regular audits of user behavior and device integrity.

In contrast, options that suggest trust based on location or categorize zero trust as a type of antivirus software or a compliance approach miss the fundamental essence of the zero trust philosophy. These alternatives fail to acknowledge the need for rigorous security measures that are independent of the user's physical or network location, highlighting the difference between traditional perimeter-based security models and the more robust, identity-centric approach championed by zero trust.

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