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Many cyberattacks rely on the level of access legitimate users have on computer networks. Breach the perimeter and you’ve got the keys to the castle. With a zero-trust approach to security, merely getting through the door isn’t enough anymore.
Traditional Perimeter-Based Security
In a traditional security setup, there’s a built-in assumption that anyone with legitimate access credentials is a trusted actor. Remember that line from Star Wars? The one that goes, “It’s an older code, sir, but it checks out.”? That’s the sort of security we’re talking about here.
This is why you need to use a VPN for public Wi-Fi. The way Wi-Fi is designed, there’s an assumption that anyone with a Wi-Fi password is a trusted actor. They can see the activity of other network users and access network-connected devices. This is also why you should encourage the use of the guest network feature of your router instead of handing out your Wi-Fi password to everyone who visits your home!
This is sometimes referred to as “perimeter-based” security, where anyone…
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