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September 2007

What CISOs need to know about computer forensics

Don't trample evidence in a breach. Missteps in an investigation will cost you in court. From all indications, something bad had happened. After installing an intrusion prevention system, the security team at UW Medicine spotted several machines trying to communicate with an IRC botnet server in France. Cindy Jenkins, a security engineer and computer forensics expert at the medical and research organization, immediately went on a hunt for clues behind the suspicious activity. Hours spent combing through images of the hard drives from the infected PCs turned up the attackers' tools: an IRC bot, a rootkit and an FTP server. Passive network scanning detected more compromised systems. To save time, Jenkins made hash sets--digital fingerprints--of the malware so she could look just for the hash sets when inspecting additional images. She determined the machines were infected 18 to 24 months earlier--before the IPS and other security measures were installed. It appeared that UW Medicine, part of the University of Washington, had been ...

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Features in this issue

  • Rootkit detection and removal know-how

    Get advice on how to detect malware and rootkits and the best ways to achieve rootkit removal and prevent hacker attacks.

  • What CISOs need to know about computer forensics

    With computer forensics needed for civil litigation, human resources investigations and criminal cases, organizations need to ensure they're prepared and evidence is preserved. This feature details steps involved in computer forensics, common missteps, and forensics resources.

  • Logical, physical security integration challenges

    Integrating physical and IT security can reap considerable benefits for an organization, including enhanced efficiency and compliance plus improved security. But convergence isn't easy. Challenges include bringing the physical and IT security teams together, combining heterogenous systems, and upgrading a patchwork of physical access systems.

  • Consolidation's impact on best-of-breed security

    Standalone security vendors are attractive targets for large infrastructure players such as EMC. This feature looks at the consolidation in the security market and the potential for best-of-breed security to eventually disolve into a mashup of suites and services by big vendors like EMC, IBM, Microsoft, and HP.

  • SIM and NBA product combination is powerful

    The recent announcement that Mazu Networks, a provider of network-based analysis (NBA) tools, and eIQnetworks, a supplier of SIM products, underscores the trend towards convergence in the NBA and SIM markets. The value proposition is clear: two useful network/security data analysis tools in one integrated package.

  • Intrusion Prevention: Stonesoft's SGI-2000S IPS

    SGI-2000S IPS

Columns in this issue