Module 1: What Is Cybersecurity?
Learn what cybersecurity protects, the CIA triad, the difference between threats, vulnerabilities and risk, and who attacks organisations and why.
Rubrique
Des cours structurés pour progresser des bases à la pratique, module par module.

Learn what cybersecurity protects, the CIA triad, the difference between threats, vulnerabilities and risk, and who attacks organisations and why.

See how real attacks unfold: the attack lifecycle, phishing red flags, the main types of malware, double-extortion ransomware and common web attacks.

Learn how defenders protect organisations: defence in depth, four essential controls, security tools from firewalls to SIEM, and the incident response cycle.

Explore the main cybersecurity careers: six areas of work, what key roles do day to day, how careers grow, and how to find the role that fits you.

Build the skills employers look for: technical foundations, soft skills, skills by role, a safe home lab, free practice platforms and a 12-week plan.

Choose the right certifications: three levels, paths by role, Japan’s national qualifications, how to pick your next one, and how to avoid wasting money.

Understand the frameworks employers use: NIST CSF 2.0, ISO/IEC 27001, CIS Controls, OWASP and MITRE ATT&CK, when to use each, and how they come up in interviews.

Get your first security job: proof of skills, English and Japanese CVs, where to find jobs in Japan, the hiring process, interviews and your first 90 days.


