Principiante · Lecciones: 4
Vulnerability and risk management
Rank what matters with SLE, ARO and ALE, find known weaknesses with scanners, CVE and CVSS, close them with a real patch process, and know the main families of malicious software they invite.
- 1 Risk assessment: assets, likelihood and the numbers behind SLE, ARO and ALE
Security budgets are finite, so risks have to be ranked. Learn how to identify what you are protecting, estimate how often things go wrong, and turn it into numbers you can compare.
9 min - 2 Vulnerability scanning: finding weaknesses before attackers do
Scanners like Nessus and OpenVAS check systems against thousands of known flaws. Learn how they work, how to read CVE and CVSS, why results need judgement, and why you only scan with permission.
8 min - 3 Patch management: from “update available” to verified fix
Updates close the holes attackers use most. Learn the patch lifecycle, identify, test, deploy and verify, how to handle systems you cannot patch, and how to keep a Mac current without drama.
8 min - 4 Malicious software, in four families: viruses, worms, trojans and ransomware
Why these four matter in a risk program: how each one spreads, what it usually does, and which controls from this course reduce it. The Malware course goes deeper.
7 min
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