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Introduction to network-based intrusion detection systems
A network-based IDS (NIDS) monitors traffic at selected points on a network or interconnected set of networks. The NIDS examines the traffic packet by packet in real time, or close to real time, to attempt to detect intrusion patterns. The NIDS may examine network-, transport- and/or application-level protocol activity. Note the contrast with a host-based IDS; a NIDS examines packet traffic directed toward potentially vulnerable computer systems on a network. A host-based system examines user and software activity on a host.
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Spotlight
Is it time to professionalize information security?
Posted on 23 May 2013. | The issue of whether or not information security professionals should be licensed to practice has already been the topic of many a passionate debate.
Review: Logging and Log Management
Posted on 22 May 2013. | Every security practitioner should be aware of the overwhelming advantages of logging and perusing logs for discovering system intrusions. But logging and log management comes with its own set of difficulties.
Experts highlight top data breach vulnerabilities
Posted on 22 May 2013. | Hidden vulnerabilities lie in everyday activities that can expose personal information and lead to data breach, including buying gas with a credit card or wearing a pacemaker.
A closer look at Mega cloud storage
Posted on 21 May 2013. | Once a novelty, nowadays many cloud storage services are fighting for their piece of the market in the virtual world. Mega offers 50GB of free space with great pricing on Pro accounts.
The CSO perspective on healthcare security and compliance
Posted on 20 May 2013. | Randall Gamby is the CSO of the Medicaid Information Service Center of New York. In this interview he discusses healthcare security and compliance challenges and offers a variety of tips.
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