Two years after Zero Trust stopped being a marketing word, it is worth looking at how it connects with the SIEM teams run day to day. A look at useful signals, avoidable noise, and the decisions that actually change security posture.
Zero Trust is not a product but a security architecture. It discards the assumption that the internal network is trusted and verifies every access explicitly, with least privilege, assuming breach is already active. The five principles: verify explicitly, least privilege, assume compromise, validate the device, and continuous visibility.