In a Zero Trust architecture, the policy engine evaluates each access request independently using current context and policies, ensuring decisions are made without relying on prior trust or previous access approvals.

Key escrow refers to a system where encryption keys are stored in a secure, third-party repository, allowing authorized entities (such as specific individuals or organizations) to access the key when necessary.

SCADA systems are industrial control environments designed to monitor and manage processes like the physical flow of gas in pipelines, so securing the SCADA environment protects the legacy platform that controls those operations.

Connecting an ICS network to an enterprise network increases exposure to external threats, making it more susceptible to exploitation that can disrupt critical industrial operations.

Threat hunting uses known indicators of compromise to proactively search the environment for signs of malicious activity. This helps determine whether systems have already been affected by the threat described in the bulletin.