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  • Keeping tabs on who is accessing your network

    How can I monitor is someone is trying to connect a laptop or other device to my network drop. And if someone connects their laptops, how would I find out which network drop and switch port they are connecting from. Is there a way that I can differ...  Ask the Expert

  • Network security toolbox

    Ping and tracert are great, but sometimes you need a more powerful utility when troubleshooting your network -- especially where security is concerned. Check out these 12 free network security tools -- from scanners to network mappers -- that we've c...  Resource Kit

  • Nmap: A valuable open source tool for network security

    Open source tool Nmap is a popular choice amongst hackers and security pros alike for network mapping and testing for network vulnerabilities.  Tip

  • Securing the internal Windows network

    Hardening your network from the outside world is a good idea, but don't forget to watch out for internal threats. Security testing expert Kevin Beaver provides a testing to-do list for securing your Windows network from within.  Tip

  • How to recover your network after a security breach

    If you have the time and money to invest in some of the more impressive network management systems, you can possibly recover your network after a security attack by clicking a few buttons. However, if you're on a budget, with a typical medium-sized n...  Tip

  • Security is the name of the game at Interop

    Messaging security was a hot Interop topic, rivaled only by every other aspect of security. Vendors rolled out wares to protect messaging systems and other points on the network.  Article

  • Wireless trespasser stopped dead in his tracks

    A security expert working at a California government office spotted an unauthorized person trying to bridge onto the wired network through a wireless NIC card. He put a stop to it.  Article

  • The technical foundations of hacking - from 'Certified Ethical Hacker Exam Prep'

    This chapter from 'Certified Ethical Hacker Exam Prep' by Michael Gregg discusses attacker methodology, as well as some of the methodologies used by ethical hackers. Ethical hackers differ from malicious hackers in that ethical hackers seek to do no ...  Chapter Download

  • Gartner underscores five overblown threats

    Two Gartner analysts debunk five overhyped security risks they claim are causing companies to miss out on some key emerging technologies.  Article

  • Cleansing an infected mail server

    If your server is heavily infected, the sheer volume of infected messages can overwhelm the machine, and your antivirus software may not be able to keep pace with the server.  Tip

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