Zero Trust

Zero trust is a security approach with one simple rule: never assume someone or something is safe just because it is already inside your network, always check first. Every attempt to open a file, an app or a system has to prove who it is and that it is allowed, every single time, instead of being waved through for being on the office wifi or a company laptop.

The old way was like a building where anyone past the front desk could wander into any room. Zero trust locks every internal door and asks for identification at each one, so a stranger who slips inside still cannot get far. That fits the way people now work from home and store their files online, where there is no single wall to defend and one stolen password should never open everything.