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An incident response plan (IRP) is a group of policies that dictate an organizations reaction to a cyber attack. Once an security breach has been identified, for example by network intrusion detection system (NIDS) or host-based intrusion detection system (HIDS) (if configured to do so), the plan is initiated. [3]
Network security is achieved by various tools including firewalls and proxy servers, encryption, logical security and access controls, anti-virus software, and auditing systems such as log management. Firewalls are a very basic part of network security. They are often placed between the private local network and the internet.
The use of STIGs enables a methodology for securing protocols within networks, servers, computers, and logical designs to enhance overall security. These guides, when implemented, enhance security for software, hardware, physical and logical architectures to further reduce vulnerabilities.
The Extensible Configuration Checklist Description Format (XCCDF) is an XML format specifying security checklists, benchmarks and configuration documentation. XCCDF development is being pursued by NIST , the NSA , The MITRE Corporation , and the US Department of Homeland Security .
NBAD is the continuous monitoring of a network for unusual events or trends. NBAD is an integral part of network behavior analysis (NBA), which offers security in addition to that provided by traditional anti-threat applications such as firewalls, intrusion detection systems, antivirus software and spyware-detection software.
STRIDE is a model for identifying computer security threats [1] developed by Praerit Garg and Loren Kohnfelder at Microsoft. [2] It provides a mnemonic for security threats in six categories. [3] The threats are: Spoofing; Tampering; Repudiation; Information disclosure (privacy breach or data leak) Denial of service; Elevation of privilege [4]
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An IT audit is different from a financial statement audit.While a financial audit's purpose is to evaluate whether the financial statements present fairly, in all material respects, an entity's financial position, results of operations, and cash flows in conformity to standard accounting practices, the purposes of an IT audit is to evaluate the system's internal control design and effectiveness.
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