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Security and Privacy

Module code: CS7NS5 · Semester: Semester 2

Questions by Year​

0 of 5 done · tick papers and add notes as you go

Papers open on tcd.ie (sign in to TCD first).

Topics

  • Risk analysis; system and network security LO1, LO3
  • Cryptography: hashes, symmetric and asymmetric algorithms, key agreement LO2
  • Public key infrastructure LO2
  • TLS, email, DNS and DNSSEC LO2–3
  • Email, web and DNS privacy LO4
Learning outcomes (exam covers LO1–4)
  1. Discuss information security in its safety, social and economic context
  2. Choose controls, often cryptographic, to mitigate security and privacy threats
  3. Assess security and privacy risks in real applications
  4. Reason about privacy in data accumulation and release

Summarised from the module descriptor, checked November 2026.