General Studies III · Subtopic
Cyber-security basics
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
Cyber security protects digital systems and information from unauthorized access, disruption or manipulation. Prevention reduces exposure; detection finds abnormal activity; response contains harm; recovery restores service and learns from the incident.
Key ideas
- Assets and attack surface
- Access control
- Updates and backups
- Detection and response
- Recovery