The electronic age has resulted in the development of advanced technology that contributes to the growth of businesses, and along with it abuse of certain systems that result in lower user productivity for users. Spam may be defined as the abuse of electronic message transmitting systems to transmit unsolicited bulk messages in a random way. The widespread abuse ranging in various media include:

  • E-mail spam
  • Instant messaging spam
  • Newsgroup spam
  • Web search engine spam
  • Blog spam
  • Online gaming/ad/classifieds spam
  • Mobile phone messaging spam
  • File sharing network spam
  • Internet forum spam

The most prominent kind of spam is e-mail spam (AKA Unsolicited Bulk Email (UBE), junk mail, or Unsolicited Commercial Email (UCE)), where unwanted e-mails are sent to random recipients. The Internet is flooded by spam in an attempt to force certain messages to people who would not read it otherwise. Mostly spam contains commercial advertisements that are focused on dubious products, quasi-legal service offerings, or schemes that proclaim how to get rich, or investment schemes, etc. Spam is growing at a rapid pace because there is no control over the actions of spammers. Businesses guard themselves against spam using secure networks, spam filters, and other technology solutions.