Some organizations struggle to prevent cyberattacks because they rely on cybersecurity tools and techniques that protect only their perimeter. Perpetrators who make it past a single line of defense (such as with a username and password) can gain unfettered access to the company’s network. They can then use ransomware to block access to data or steal customer information or intellectual property. Zero trust security was designed to address the shortcomings of a single perimeter defense. Created by an IT industry analyst, zero trust requires companies to not automatically trust users or devices. This can be particularly effective if your business relies on cloud computing or if your employees work from home or use their own devices to access your network.  3 principles Three key principles underlie zero trust: 1....