> For the complete documentation index, see [llms.txt](https://martian1337.gitbook.io/notes/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://martian1337.gitbook.io/notes/security-engineering/network-and-communications-security.md).

# Network and Communications Security

Network defense, edge and CDN security, email security, and telecommunications and 5G infrastructure security.

## Areas

* [Network Security](/notes/security-engineering/network-and-communications-security/network-security.md)
* [Cloudflare](/notes/security-engineering/network-and-communications-security/cloudflare.md)
* [Email Security](/notes/security-engineering/network-and-communications-security/email-security.md)
* [Telecommunications and 5G Security](/notes/security-engineering/network-and-communications-security/telecommunications-and-5g-security.md)