For many years, the refrain "Trust but Verify" described how most organizations approached cyber security. The basic concept embraced a framework that assumed most people (or systems) would do the right thing and that security operators should be looking for anomalies. The problem was, there are wolves amongst the sheep and even the well-intended can make mistakes that result in security vulnerabilities and compromises. In a digital global economy, when things go wrong, the go wrong fast (and big). Enter "Zero Trust", a security operating philosophy that requires that every user and system must validate themselves as they access digital resources and continually validate themselves as they engage with these resources. There is NO trust in this environment. In keeping digital infrastructure and resources safe, constant authentication and validation are the order of the day... While an advance in many ways, Zero Trust pushes authentication to the role of gatekeeper in the security stack...