System and Network Attacks

System and Network Attacks

Introduction:

Systems and networks are subject to electronic attacks. The increasingly frequent attacks on Internet- visible systems are attempts to breach information security requirements for protection of data. Vulnerability-assessment tools check systems and networks for system problems and configuration errors that represent security vulnerabilities. Intrusion-detection systems collect information from a variety of vantage points within computer systems and networks and analyze this information for symptoms of security breaches. Both intrusion-detection and vulnerability-assessment technologies allow organizations to protect themselves from losses associated with network security problems. The market for intrusion-detection products, driven by reports of steadily increasing computer security breaches, has grown from $40 million in 1997 to $100 million in 1998. Intrusion-detection is the logical complement to network firewalls, extending the security management capabilities of system administrators to include security audit, monitoring, attack recognition, and response.


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