> For the complete documentation index, see [llms.txt](https://browsify.gitbook.io/browsify-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://browsify.gitbook.io/browsify-docs/what-is-an-ip-address-and-why-is-it-important-for-security.md).

# What is an IP address, and why is it important for security?

An IP address identifies devices on the internet. It helps track visitor origins, detect fraud, and block malicious sources.