Security foundations
Establish a practical foundation in security operations, architecture, governance, identity, and risk.

Secure networks, identities, and applications.
Video · Reading · AI Tutor · Resources · Labs · Real Job PracticeYour earlier reference-section results stay recorded. Full-course completion also requires all 6 practical-studio checks and the existing final assessment. The studio contains 24 lessons; the 2 reference sections remain available.
Reference checks: 0 of 2 · Studio checks: 0 of 6.
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Build the networking and Linux skills that support everyday security work.
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30 study units with 24 practical recordings, reference reading, a complete PDF, offline labs, troubleshooting and a final practical project. Caption availability varies by lesson.
Practice by typing, drawing with a stylus or mouse, or writing on the printable workbook. The workspace includes code and math symbols, local drafts and exportable evidence for peer or instructor review.
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Build practical skills to secure networks, identities, APIs, and systems.
Your roadmap
Every phase adds knowledge, practice, and a portfolio result you can explain during an interview. Select an available course below to open its Video Lessons and Reading Lessons tabs.
Establish a practical foundation in security operations, architecture, governance, identity, and risk.
Study the CISSP domains for professional depth without waiting to use the knowledge in real projects.
Use logs, scanners, network analysis, and remediation workflows to find and reduce risk.
Connect security engineering to modern APIs, integrations, identity systems, and Zero Trust controls.
Understand quantum computing fundamentals, the impact of quantum algorithms on today's cryptography, and how organizations can prepare for post-quantum migration.
Technology toolkit