Network Security Monitoring and Analysis

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  • Network analysis -- Enhancing security assessments

    Network security assessment doesn't have to rely on expensive automated tools. In this tip, learn how to use data from freely available tools to produce a comprehensive view of network security.  Tip

  • Are there network monitoring tools for Layers 1 through 7?

    Learn which network monitoring tools can monitor your network from Layer 1 through Layer 7.  Ask the Expert

  • Using a packet sniffer for network packet analysis

    A packet sniffer may seem like a humble addition to a network professional's toolkit, but when used correctly, packet sniffers (also known as protocol analyzers) can home in on any number of network problems. "Practical Packet Analysis: Using Wiresha...  Interview

  • What core network security items are needed to secure networks?

    Learn which core network security items, facilities and tools are needed to secure a particular network in this Q&A with Michael Gregg.  Ask the Expert

  • How can I secure our data from hackers?

    Enterprise security expert Michael Gregg answers how to secure data from hackers, in this expert response.  Ask the Expert

  • firewall

    A firewall is a set of related programs, located at a network gateway server, that protects the resources of a private network from users from other networks.  Definition

  • OSI -- Securing the stack

    Secure your network with our OSI model reference that links to all the tips in our "OSI -- securing the stack" series by security expert and author Michael Gregg. The series is based on his book, "Hack the Stack."  Tip series

  • Why has the terminal server ended my connection?

    Find out reasons a terminal server might end a connection, in this Q&A with Chris Partsenidis.  Ask the Expert

  • port mirroring (roving analysis port)

    Port mirroring, also known as a roving analysis port, is a method of monitoring network traffic that forwards a copy of each incoming and outgoing packet from one port of a network switch to another port where the packet can be studied.  Definition

  • FCAPS (fault-management, configuration, accounting, performance, and security)

    FCAPS is a network management framework created by the International Organization for Standardization (ISO). FCAPS categorizes the working objectives of network management into five levels. The five levels are:  fault-management (F), the configuratio...  Definition

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