Compliance Glossary

In the cybersecurity and IT environment, perimeter security protects a company’s network boundaries from unwelcome guests like hackers and intruders. It involves keeping an eye out for potential threats, analyzing patterns, and responding effectively. 

Why does perimeter security matter?

Perimeter security is your first line of defense in the digital world. It’s vital because, instead of disconnecting your network from the internet entirely, you need it to keep your digital borders safe.

The best way to deal with security threats is to prevent them from breaching your main gates. The starting point for most perimeter security is the boundary between your network and the vast internet. 

Your router will be the first security checkpoint. It’s the gateway between your network and the outside world. It checks the data coming in and going out, much like border control at an airport. It’s a basic level of defense, ensuring only safe data passes through. Likewise, mobile apps, websites, and other business entities become the first point of contact.

And, of course, firewalls are the security experts in your network. Firewalls have specific rules to detect and block threats. They come into play after the router, providing a more thorough examination to filter out malicious traffic.