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  2. Ransomware - Wikipedia

    en.wikipedia.org/wiki/Ransomware

    Ransomware attacks are typically carried out using a Trojan, entering a system through, for example, a malicious attachment, an embedded link in a phishing email, or a vulnerability in a network service. The program then runs a payload, which locks the system in some fashion, or claims to lock the system but does not (e.g., a scareware program).

  3. Cryptovirology - Wikipedia

    en.wikipedia.org/wiki/Cryptovirology

    [2] Due to public outcry about this cryptovirology attack, NIST rescinded the EC-DRBG algorithm from the NIST SP 800-90 standard. [ 3 ] Covert information leakage attacks carried out by cryptoviruses, cryptotrojans, and cryptoworms that, by definition, contain and use the public key of the attacker is a major theme in cryptovirology.

  4. Timeline of computer viruses and worms - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_computer...

    The Creeper system, an experimental self-replicating program, is written by Bob Thomas at BBN Technologies to test John von Neumann's theory. [3] Creeper infected DEC PDP-10 computers running the TENEX operating system. Creeper gained access via the ARPANET and copied itself to the remote system where the message "I'm the creeper, catch me if ...

  5. LockBit - Wikipedia

    en.wikipedia.org/wiki/Lockbit

    LockBit is a cybercriminal group proposing ransomware as a service (RaaS). Software developed by the group (also called ransomware) enables malicious actors who are willing to pay for using it to carry out attacks in two tactics where they not only encrypt the victim's data and demand payment of a ransom, but also threaten to leak it publicly if their demands are not met.

  6. PGPCoder - Wikipedia

    en.wikipedia.org/wiki/PGPCoder

    PGPCoder or GPCode is a trojan that encrypts files on the infected computer and then asks for a ransom in order to release these files, a type of behavior dubbed ransomware or cryptovirology. Trojan [ edit ]

  7. 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.

  8. Cybercrime - Wikipedia

    en.wikipedia.org/wiki/Cybercrime

    Ransomware is a global issue, with more than 300 million attacks worldwide in 2021. According to the 2022 Unit 42 Ransomware Threat Report, in 2021 the average ransom demand in cases handled by Norton climbed 144 percent to $2.2 million, and there was an 85 percent increase in the number of victims who had their personal information shown on ...

  9. Logic bomb - Wikipedia

    en.wikipedia.org/wiki/Logic_bomb

    A logic bomb is a piece of code intentionally inserted into a software system that will set off a malicious function when specified conditions are met. For example, a programmer may hide a piece of code that starts deleting files (such as a salary database trigger), should they ever be terminated from the company.