Principiante · Lecciones: 4
Foundations of cybersecurity
The CIA triad, who attacks and why, the words that matter (threat, vulnerability, risk, exploit) and how social engineering targets people rather than software.
- 1 The CIA triad: confidentiality, integrity and availability
The three properties every security decision protects, what breaks each one, and how to use them as a checklist for your own devices and data.
7 min - 2 The threat landscape: who attacks, and why
Cybercriminals, hacktivists, state-sponsored groups and insiders want different things and work in different ways. Knowing which ones realistically target you tells you where to spend your effort.
8 min - 3 Threats, vulnerabilities, risks and exploits: the words that matter
Four words people use interchangeably mean different things. Once you separate them, security advice and news headlines become much easier to judge.
7 min - 4 Social engineering: phishing, pretexting and baiting
Many attacks target people rather than software. Learn how phishing, pretexting and baiting work, the pressure tricks they rely on, and the habits that defeat them.
8 min
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