INFORMATION SECURITY

The principal effective threats with which computers can be confronted are :

•   the user
•   malevolent programs
•   the intrusion
•   a disaster

The purpose of information security is to stop these threats by respecting the three fundamental criteria as regards data processing :

•   confidentiality
•   integrity
•   availability

Average the implementation to ensure the safety of information are multiple :

•   safety by the global design
•   technique of security of system
•   installation of a policy of safety
•   plan of emergency and continuity
•   exercises and maintenance

  NETWORK SECURITY

Network security measures target network devices such as routers, switches, and firewalls to make sure that attacks are stopped at their entry points before they spread on computers hosts through LAN.

Network security starts from authenticating any user. Once authenticated, firewall enforces access policies to prevent unauthorized access such as worms, virus, and trojans that could harmful computer contents. Then intrusion prevention system (IPS) helps detect and prevent such malware by monitoring the network for suspicious traffic for contents, volume and anomalies to protect the network from other attacks such as denial of service (DoS). Audit tools track individual events occurring on the network for a later high level analysis.

  SECURITY TIPS

  USEFUL LINKS