Pfleeger, Charles P. Pfleeger Consulting Group, Washington DC.
Last reviewed:June 2021
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- Understanding Security Threats
- Technical Controls
- Security enforcement mechanisms
- Security of Programs
- Correctness, completeness, and exactness
- Malicious code
- Security of code
- Security of Operating Systems
- Operating system security functions
- Operating system design for security
- Data Security
- Database security
- Network Security
- Communications security
- Virtual private networks
- Internet security
- Security perimeter
- Intrusion detection
- Incident response
- Related Primary Literature
- Additional Reading
The process of protecting against threats to computing systems. A threat is an event that can cause harm to computers, data or programs, or computations (Fig. 1). A failure of computer security occurs because of a vulnerability or weakness in a computing system. A threat agent—person, event, or circumstance—exploits a vulnerability. Threat agents can have harmful or malicious intent, or they can be unintentional. A criminal may maliciously attack a computer system for financial gain, but even a nonmalicious user can accidentally delete important data, for example.
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