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Untargeted Attacks

In untargeted attacks, attackers indiscriminately target as many devices, services or users as possible. They do not care about who the victim is as there will be a number of machines or services with vulnerabilities. To do this, they use techniques that take advantage of the openness of the Internet, which include:

  • phishing – sending emails to large numbers of people asking for sensitive information (such as bank details) or encouraging them to visit a fake website
  • water holing – setting up a fake website or compromising a legitimate one in order to exploit visiting users
  • ransomware – which could include disseminating disk encrypting extortion malware
  • scanning – attacking wide swathes of the Internet at random

Source of Information

Information taken from the National Cyber Security Centre pdf “Common Cyber Attacks: Reducing the Impact