FireAI University
学会在网上保护自己
免费课程，讲清互联网真正的运作方式、谁能看到什么，以及如何一步步让你的电脑更安全。
- 非政府组织和社会活动人士
- 律师及其客户
- 记者和吹哨人
- 所有需要更安全电脑的人
免费、无需账户、不做任何跟踪。你的学习进度只保存在此浏览器中。
基础
- 01 · 入门
How the internet works
What really happens between your computer and a website, who takes part, and what each of them can see.
课程数：4 · 30 分钟 - 02 · 入门
TCP/IP: addresses, ports and connections
The rules every device on the internet follows: IP addresses, ports, TCP and UDP, and what your router does.
课程数：4 · 26 分钟 - 03 · 入门
DNS: the internet’s address book
How names become addresses, who sees your lookups, and how encrypted DNS changes that.
课程数：4 · 26 分钟 - 04 · 入门
Data brokers: who sells your life
How personal data is collected, combined and sold, and the practical steps that reduce what they get.
课程数：4 · 34 分钟 - 05 · 入门
Your operating system, your first line of defence
What an operating system does, how permissions and sandboxing protect you, and why updates matter.
课程数：4 · 29 分钟 - 06 · 进阶
Layers of security: native hygiene for a safer Mac
A step-by-step plan, from threat modelling to encryption, backups and a firewall, for people who can’t afford a breach.
课程数：5 · 39 分钟
专家路线
专家课程依据 NCAE-C 项目为网络防御学位发布的知识单元编排（CAE-CD，2024）。 阅读知识单元
- 07 · 专家
Threat modelling and risk for people at risk
Who might target you, how attacks unfold, and how to choose protections in proportion to the real risk.
课程数：4 · 35 分钟 - 08 · 专家
Cryptography you can rely on
What encryption, hashing and signatures really guarantee, how TLS and end-to-end encryption work, and where keys make or break them.
课程数：4 · 34 分钟 - 09 · 专家
Network defense for a single computer
Firewalls, egress filtering, logging and detection applied to the one machine you must protect, and how to read what it tells you.
课程数：4 · 35 分钟 - 10 · 专家
macOS hardening, setting by setting
Reduce the attack surface of a Mac: secure installation, encryption, services, ports, accounts, updates and built-in defences, with the commands to check each one.
课程数：5 · 43 分钟 - 11 · 专家
Understanding cloud security
Who is responsible for what in the cloud, how accounts and keys get compromised, and how to keep your files and services under your control.
课程数：4 · 34 分钟
FireAI University 是独立的：与美国国家安全局（NSA）或 NCAE-C 项目无任何隶属关系，也未获其认可或认定。我们仅将其公开发布的知识单元作为课程指南。