Ravi Sir's Cyber Security Cards › Revision Cards
Core security terms
Core security terms The foundation security words: CIA triad, threat, vulnerability, risk, malware, MFA. CIA : Confidentiality, Integrity, Availability. Threat : who might attack. Vulnerability : a weakness. Risk : likelihood × impact. These words appear in every report and interview. Use each one p
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What this card says
What it is
The foundation security words: CIA triad, threat, vulnerability, risk, malware, MFA.
Quick meanings
CIA: Confidentiality, Integrity, Availability.
Threat: who might attack. Vulnerability: a weakness. Risk: likelihood × impact.
Why it matters for security
These words appear in every report and interview.
Use each one precisely and the same way every time.
| Red team (attacker) does | Blue team (defender)… |
|---|---|
| Uses “zero-day” as slang for any old bug | Names CVE / patch ID when known; tracks patch SLA |
| Brags “I did MitM” on cafe Wi-Fi | Practices MitM themes only on OWN host-only lab |
| Stores passwords as plain MD5 | bcrypt/Argon2 + salt; MFA; least privilege |
Learn more in the lesson: 50.2 Core security terms