C1CSE One Learn

General Studies III · Subtopic

Communication-network vulnerabilities

Official syllabus

Challenges to internal security through communication networks, role of media and social networking sites in internal security challenges, basics of cyber security; money-laundering and its prevention.

UPSC CSE 2026 notification

What this covers

A communication network depends on devices, software, connections, power and human operation. Failure or misuse at any point can interrupt service, expose information or mislead users. Availability, confidentiality and integrity describe different security goals.

Key ideas

  • Network components
  • Availability
  • Confidentiality
  • Integrity
  • Dependencies and resilience

Official wording is from UPSC's Civil Services Examination 2026 notification, the current baseline for CSE 2027 preparation. Always check the latest notification at upsc.gov.in. Scopes and key ideas are CSE One's study map and are being expanded.