The difference between Computer Security, Information Security, Cyber Security and IT Security:

Concepts of IT Security and Information Security
| IT Security | Information Security (InfoSec) |
| • Firewalls | • Intellectual property |
| • Antivirus | • Regulatory compliance |
| • Vulnerability Scans | • Business/financial integrity |
| • Penetration Testing | • Insider abuse |
| • Intrusion Detection | • Industrial espionage |
| • Computer Forensics | • Data Privacy |
| • Access Control | • Governance |
| • Network Security | • Crisis Management |
| • System Monitoring | • Business Continuity |
| • Patch Management | • Risk analysis |
| • Encryption | • Organizational view |
| <= Technology-oriented | Business-oriented => |
The Age of Security

Source from edX.