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  2. Macro virus - Wikipedia

    en.wikipedia.org/wiki/Macro_virus

    An example of a macro virus is the Melissa virus which appeared in March 1999. When a user opens a Microsoft Word document containing the Melissa virus, their computer becomes infected. The virus then sends itself by email to the first 50 people in the person's address book. This made the virus replicate at a fast rate. [4]

  3. Rogue DHCP - Wikipedia

    en.wikipedia.org/wiki/Rogue_DHCP

    Some kind of computer viruses or malicious software have been found to set up a rogue DHCP, especially for those classified in the category. As clients connect to the network, both the rogue and legal DHCP server will offer them IP addresses as well as default gateway, DNS servers, WINS servers, among others. If the information provided by the ...

  4. Melissa (computer virus) - Wikipedia

    en.wikipedia.org/wiki/Melissa_(computer_virus)

    The Melissa virus is a mass-mailing macro virus released on or around March 26, 1999. It targets Microsoft Word and Outlook-based systems and created considerable network traffic. The virus infects computers via email; the email is titled "Important Message From," followed by the current username. Upon clicking the message, the body reads ...

  5. Computer worm - Wikipedia

    en.wikipedia.org/wiki/Computer_worm

    Computer viruses generally require a host program. [11] The virus writes its own code into the host program. When the program runs, the written virus program is executed first, causing infection and damage. A worm does not need a host program, as it is an independent program or code chunk.

  6. Network security policy - Wikipedia

    en.wikipedia.org/wiki/Network_security_policy

    A network security policy (NSP) is a generic document that outlines rules for computer network access, determines how policies are enforced and lays out some of the basic architecture of the company security/ network security environment. [1] The document itself is usually several pages long and written by a committee.

  7. Network Security Services - Wikipedia

    en.wikipedia.org/wiki/Network_Security_Services

    Malware: Malware such as viruses, Trojans, and other malicious programs damage or disrupt a computer network. Distributed denial-of-service Attacks: Multiple computers or network devices flood a network with requests, making the network impossible to access. Unauthorized Access: Unauthorized users gain network access.

  8. List of spyware programs - Wikipedia

    en.wikipedia.org/wiki/List_of_spyware_programs

    The apps also download and execute a code from a remote server, breaching the Malicious Behavior section [5] of the Google Play privacy policies. Some of these plugins are detected as Adware or PUP by many Anti-Virus engines, [ 6 ] while the developer, a Chinese company GOMO Dev Team, claims in the apps' description that they will never collect ...

  9. Network security - Wikipedia

    en.wikipedia.org/wiki/Network_security

    Network security are security controls, policies, processes and practices adopted to prevent, detect and monitor unauthorized access, misuse, modification, or denial of a computer network and network-accessible resources. [1] Network security involves the authorization of access to data in a network, which is controlled by the network ...