Cybersecurity进阶Network FundamentalsUnderstand how computer networks work — from the OSI and TCP/IP models to IP addressing, DNS, firewalls, VPNs, and the CIA triad of information security.约 25 分钟10 个步骤开始模块
Cybersecurity进阶Web Security IntroExplore the most critical web application vulnerabilities — XSS, SQL injection, CSRF, and more — and learn the defenses that protect modern web applications.约 25 分钟10 个步骤开始模块
Cybersecurity高级Ethical Hacking IntroLearn the methodology, tools, and ethics of penetration testing — from reconnaissance and vulnerability assessment to exploitation, reporting, and responsible disclosure.约 35 分钟12 个步骤开始模块
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