Continuous security monitoring: Learning from the Feds

Monitoring Network Traffic and Network Forensics

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  • What security issues can arise from unsynchronized system clocks?

    Network administrators don't always pay enough attention to the issues of system clock accuracy and time synchronization. Michael Cobb explains why that can lead to security problems. 

  • What are the best bot detection tools?

    Today, antimalware tools can detect hundreds of different bot variants using signature and heuristic techniques, but they aren't perfect. Ed Skoudis reveals some other options. 

  • Can reputation services be applied to network security?

    Reputation scores can be used to block spam, but can these services be applied to the security of the network? In this expert Q&A, Mike Chapple reveals which products are on the horizon. 

  • What challenges arise when designing a logging mechanism for peer-to-peer networks?

    In this Q&A, identity management and access control expert Joel Dubin discusses how to track a peer-to-peer network by using open source security tools. 

  • What is an Nmap Maimon scan?

    Systems are often designed to hide out on a network. In this Q&A, network security expert Mike Chapple explains how Nmap Maimon scans can get a response out of them. 

  • Are rogue DHCP servers a serious network risk?

    Rogue DHCP servers can cause everything from a network outage to an outright interception of network traffic. In this Q&A, network security expert Mike Chapple explains the seriousness of the threat and reveals which tools can det... 

  • How can hackers bypass proxy servers?

    Hackers are bypassing proxy servers all the time and doing so for a variety of reasons. In this expert Q&A, Ed Skoudis points out the holes in your protective filtering tools. 

  • What are the best ways to block proxy server sites?

    Proxy services allow employees to view unauthorized content, but the proxies themselves and the sites that list them are tricky to detect. In this Q&A, learn how some content monitoring tools can help block proxy server sites. 

  • How well do content filtering tools limit network traffic?

    Newer content filtering products are available, but are they worth the investment? In this Q&A, network security expert Mike Chapple explains the technology behind content monitoring/filtering tools and whether you should wait for ... 

  • Are all data packets treated equally?

    In this Q&A, network security expert Mike Chapple reveals how much control you have over your Internet traffic.