# Foundations of Cybersecurity Chapter 1 · Week 1 Note: Speaker notes start with "Note:". Press S to open the speaker view. --- ## The CIA triad - **Confidentiality** — only the right people can see it - **Integrity** — not altered without authorization - **Availability** — there when you need it Note: Most real incidents hit more than one of these at once. --- ## Threat vs. vulnerability vs. risk - **Vulnerability:** a weakness - **Threat:** something that could exploit it - **Risk:** likelihood × impact --- ## Why attackers attack 1. Financial 2. Ideological / political 3. Curiosity / opportunity > Lab environment only — written permission, always.
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