Cybersecurity · Course
Defensive Security Essentials
Learn to defend systems and data the way a security analyst does. Understand the core goals of security, spot common threats like weak passwords, phishing, and malware, lock systems down with everyday defences, and read logs to catch an attack. Hands-on and beginner friendly, with code you run in your browser. No experience needed.
11 lessonsSelf-pacedbeginnerNo video neededFree · Certificate
What you’ll learn
- Explain the core security goals: confidentiality, integrity, and availability
- Recognise common threats: weak passwords, phishing, and malware
- Apply everyday defences: updates, least privilege, and secure configuration
- Read a log and spot a possible attack
- Respond to a security incident with a clear, calm plan
Lessons
Defending Systems
Detecting and Responding
Next Steps
Earn a certificate
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Certificate of Completion
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