• SYN flood (half open attack)

    SYN flooding is a method that the user of a hostile client program can use to conduct a denial-of-service (DoS) attack on a computer server.

  • digital certificate

    A digital certificate is an electronic "passport" that allows a person, computer or organization to exchange information securely over the Internet using the public key infrastructure (PKI). A digi...

  • COBIT

    COBIT  is a framework for developing, implementing, monitoring and improving information technology (IT) governance and management practices.

  • computer forensics (cyber forensics)

    Computer forensics is the application of investigation and analysis techniques to gather and preserve evidence from a particular computing device in a way that is suitable for presentation in a cou...

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  • identity chaos (password chaos)

    Identity chaos (sometimes called password chaos) is a situation in which users have multiple identities and passwords across a variety of networks, applications, computers and/or computing devices. 

  • HDCP (High-bandwidth Digital Content Protection)

    HDCP (High-bandwidth Digital Content Protection) is a specified method from Intel for protecting copyrighted digital entertainment content that uses the Digital Video Interface (DVI) by encrypting its transmission between the video source and the dig... 

  • IP spoofing (IP address forgery or a host file hijack)

    IP spoofing, also known as IP address forgery, is a hijacking technique in which the attacker masquerades as a trusted host to conceal his identity, hijack browsers, or gain access to a network. The hijacker obtains the IP address of a legitimate ho... 

  • cipher block chaining (CBC)

    Cipher block chaining (CBC) is a mode of operation for a block cipher (one in which a sequence of bits are encrypted as a single unit or block with a cipher key applied to the entire block). 

  • cut-and-paste attack

    A cut-and-paste attack is an assault on the integrity of a security system in which the attacker substitutes a section of ciphertext (encrypted text) with a different section that looks like (but is not the same as) the one removed. 

  • Cyber Storm

    Cyber Storm is the name of a simulated attack exercise conducted by the U.S. Department of Homeland Security (DHS) February 6-10, 2006 to evaluate whether or not the country could withstand a real attack of similar magnitude... 

  • challenge-response system

    A challenge-response system is a program that replies to an e-mail message from an unknown sender by subjecting the sender to a test (called a CAPTCHA) designed to differentiate humans from automated senders. 

  • cache cramming

    Cache cramming is a method of tricking a computer into running Java code it would not ordinarily run. 

  • certificate authority (CA)

    (CA also stands for conditional access, a term used in DTV.) A certificate authority (CA) is an authority in a network that issues and manages security credentials and public keys for message encryption. 

  • email spoofing

    E-mail spoofing is the forgery of an e-mail header so that the message appears to have originated from someone or somewhere other than the actual source.