Security Threats and Controls
Security Threats and Controls
By the end of the lesson you should be able to:
state control measures against hardware failure
state and explain threats from malicious programs
state the control measures against malicious programs
Control Measures against Hardware Failure
- use of UPS and surge protectors to protect computers against brownout and blackout which may cause physical damage or data loss.
- Use of disaster recovery plans which involves establishing of offsite storage of organization's information assets e,g servers, databases and softwares
Threats from malicious programs
Common types of malicious programs include:
- Trojan Horse are malicious programs that seems to be genuine but they do undesirable activities behind the scenes.
- Worms malicious programs that replicate and clogs the memory causing computers to hang. Worms can be transmitted by transmission media in a networked environment.
- Boot Sector Viruses these destroys the booting information on storage media.
- Files Virues attaches themselves to files
- Hoax Viruses are malicious programs that contains attractive messages but may affect a computer system.
Control measures against malicious programs
- Installing a memory anti-virus software
- Scanning file attachment for viruses before opening
- Backing up of softwares and data at regular intervals
- scanning of removable storage media before using them