Browse Definitions:
  • May 29, 2015 29 May'15

    keyboard vibration attack

    Although there have been no reports of keyboard vibration attacks in the wild, Georgia Tech researchers found a method to exploit the accelerometer in an iPhone to record keystrokes.  Continue Reading

  • May 28, 2015 28 May'15

    quality control (QC)

    Quality control (QC) is a procedure or set of procedures intended to ensure that a manufactured product or performed service adheres to a defined set of quality criteria or meets the requirements of the client or customer.  Continue Reading

  • May 27, 2015 27 May'15

    NAS gateway

    A NAS gateway is a NAS (network-attached storage) system in which the storage media are externally attached, typically over a Fibre Channel interface. The external storage might be connected by means of a SAN (storage area network), or it might ...  Continue Reading

  • May 26, 2015 26 May'15

    virtual reality

    Virtual reality is an artificial environment that is created with software and presented to the user in such a way that the user suspends belief and accepts it as a real environment.  Continue Reading

  • May 26, 2015 26 May'15


    A holacracy is a governance structure characterized by a distribution of power among self-organizing groups, rather than the typical top-down hierarchical corporate culture model.  Continue Reading

  • May 25, 2015 25 May'15

    radio silence

    Radio silence is a mandatory or voluntary cessation of transmission for the duration of some sensitive time period. The term has both military and civilian applications and is also used metaphorically in a variety of contexts.  Continue Reading

  • May 21, 2015 21 May'15

    OpLock (opportunistic lock)

    OpLocks are made to enable simultaneous file access by multiple users while also improving performance for synchronized caches. In a synchronized cache, when a client requests a file from a server, the shared file may be cached to avoid subsequent ...  Continue Reading

  • May 19, 2015 19 May'15

    Microsoft Edge

    Microsoft Edge is the browser for Windows 10; Edge replaces Internet Explorer, the browser that debuted with Windows 95 and was a part of Windows operating systems for the following two decades.  Continue Reading

  • May 18, 2015 18 May'15

    Tesla Powerwall

    Powerwall, which is aimed at the residential market, is designed to store power generated by solar panels or wind turbines at peak time for use during power outages and out-of-peak time, including night.  Continue Reading

  • May 14, 2015 14 May'15

    Network-attached storage (NAS) vocabulary quiz

    How much do you know about the essential terminology related to network-attached storage (NAS)? Take our quiz to find out. Would you like to brush up first? See our Quick Start Glossary.  Continue Reading

  • May 14, 2015 14 May'15

    Quick Start Glossary: Network-attached storage (NAS)

    Print out our handy glossary of essential network-attached storage (NAS) terminology for a fast reference. Online, each term links to our full definition, which also includes resources for further learning.  Continue Reading

  • May 14, 2015 14 May'15

    load-sharing mirror

    A load-sharing mirror or load-balancing mirror is a mirror image copy of a site or service that not only acts as a backup but actively shares in serving a portion of traffic.  Continue Reading

  • May 13, 2015 13 May'15

    communication plan

    A communication plan is a policy-driven approach to providing stakeholders with information. The plan formally defines who should be given specific information, when that information should be delivered and what communication channels will be used ...  Continue Reading

  • May 12, 2015 12 May'15


    A memristor is a type of resistor in which the flow of electrical current in an electronic circuit is determined by the amount of charge that has previously flowed through it.  Continue Reading

  • May 12, 2015 12 May'15

    employee churn

    Employee churn is the overall turnover in an organization's staff as existing employees leave and new ones are hired. Although some staff turnover is inevitable, a high employee churn rate is considered indicative of problems within the organization.  Continue Reading

  • May 11, 2015 11 May'15

    electric grid

    An electric grid is a network of synchronized power providers and consumers that are connected by transmission and distribution lines and operated by one or more control centers.  Continue Reading

  • May 11, 2015 11 May'15


    Karōshi is a Japanese term that translates to "death from overwork." The phenomenon was first identified in Japan in 1969 when a 29-year-old man in the shipping department of a newspaper died of stroke.  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.