Denial-of-Service
Availability attacks as a CIA failure — detection and resilience, never how to flood others.
1
DoS vs DDoS as Availability Failures
ReadingVolume, protocol, and application exhaustion — named, not instructed.
15 min
+40 XP
2
Why Botnets Exist (Defender View)
ReadingCompromised IoT and the need for updates — not a botnet build.
15 min
+40 XP
3
Rate Limits, Anycast, and Upstream Help
ReadingWhat organizations actually do when traffic is abusive.
15 min
+40 XP
4
Lab — Rate-Limit a Local Demo Server
ReadingYour http.server + a tiny client loop on localhost — never the internet.
25 min
+40 XP
5
Quiz — Denial-of-Service
Practice Quiz10 APPLY questions on availability and legal scope.
10 min
+40 XP