Browse Definitions:
  • September 30, 2009 30 Sep'09

    VoIP security threats

    As VoIP becomes increasingly prevalent, so do the threats aimed at subverting its security. Hackers are developing new methods of attack and finding new ways to use established methods. How much do you know about the threats to VoIP security? Take ...  Continue Reading

  • September 17, 2009 17 Sep'09

    electron rest mass

    The electron rest mass, symbolized m e, is the mass of an electron as measured when its speed is zero relative to an observer.  Continue Reading

  • September 03, 2009 03 Sep'09


    Skype is an Internet telephony service provider that offers free calling between computers and low-cost calling to regular telephones that aren't connected to the Internet. (Continued...)  Continue Reading

  • September 01, 2009 01 Sep'09

    ISO 27001

    ISO 27001 (formally known as ISO/IEC 27001:2005) is a specification for an information security management system (ISMS). An ISMS is a framework of policies and procedures that includes all legal, physical and technical controls involved in an ...  Continue Reading



  • risk map (risk heat map)

    A risk map, also known as a risk heat map, is a data visualization tool for communicating specific risks an organization faces. A...

  • internal audit (IA)

    An internal audit (IA) is an organizational initiative to monitor and analyze its own business operations in order to determine ...

  • pure risk (absolute risk)

    Pure risk, also called absolute risk, is a category of threat that is beyond human control and has only one possible outcome if ...


  • cloud ecosystem

    A cloud ecosystem is a complex system of interdependent components that all work together to enable cloud services.

  • cloud services

    Cloud services is an umbrella term that may refer to a variety of resources provided over the internet, or to professional ...

  • uncloud (de-cloud)

    The term uncloud describes the action or process of removing applications and data from a cloud computing platform.


  • federated identity management (FIM)

    Federated identity management (FIM) is an arrangement that can be made among multiple enterprises to let subscribers use the same...

  • cross-site scripting (XSS)

    Cross-site scripting (XSS) is a type of injection security attack in which an attacker injects data, such as a malicious script, ...

  • firewall

    In computing, a firewall is software or firmware that enforces a set of rules about what data packets will be allowed to enter or...




  • bad block

    A bad block is an area of storage media that is no longer reliable for storing and retrieving data because it has been physically...

  • all-flash array (AFA)

    An all-flash array (AFA), also known as a solid-state storage disk system, is an external storage array that uses only flash ...

  • volume manager

    A volume manager is software within an operating system (OS) that controls capacity allocation for storage arrays.


  • hybrid hard disk drive (HDD)

    A hybrid hard disk drive is an electromechanical spinning hard disk that contains some amount of NAND Flash memory.