Spam is used to send unsolicited bulk messages indiscriminately through electronic messaging system. The most commonly known form of spam is e-mail spam, the name used to similar abuses in other media are as follows;
Persons who build electronic spam are called spammers.
E-mail spam, also known as unsolicited bulk e-mail (UBE) or junk e-mail, is a division of spam that entails nearly matching messages sent to abundant recipients by e-mail.
Spammers collect e-mail addresses from customer lists, websites, newsgroups, chatrooms, and viruses which gather users' address books, and are sold to other spammers.
Instant Messaging spam builds utilization of instant messaging systems. While instant messaging tends to not being blocked by firewalls, it's a mainly functional canal for spammers.
Newsgroup spam is a type of spam where the objectives are Usenet newsgroups. Spamming of Usenet newsgroups in fact pre-dates e-mail spam. Usenet rule terms spamming as abundant multiple posting, that is, frequent posting of a message or significantly similar messages.
Spamdexing (a method of spamming and indexing) points to a method on the World Wide Web of transforming HTML pages to boost the possibility of them being positioned high on search engine relevancy lists. These sites use "black hat search engine optimization (SEO) techniques" to dishonestly raise their rank in the search engines. Many up to date search engines have customized their search algorithms and tried to reject web pages developing spamdexing tactics.
Forum spam is posting of messages or advertisements that are offensive or otherwise useless on Internet forums. It is commonly done by automated spambots. Nearly all forum spam have links to external sites, with the twin goals of increasing search engine crawlability and causing more traffic for these commercial websites. Some links have code to track the spambot's identity if a sale happens, whilst the spammer behind the spambot labors on commission.
Mobile phone spam also known as SMS spam, is a planned activity of dodgy advertisers to send spam text messages on numerous mobile phones . This can be mainly frustrating to customers whose inbox gets plagued due to excess spam messages.
Several online games let players to contact each other via player-to-player messaging, public discussion areas or chat rooms, where the spammers advertise spam sites. These spam methods can impede with the user's gameplay experience.
Blog spam is spamming on weblogs. This type of spam takes the benefit of open environment of comments in the blogging software by continually placing comments to various blog posts that granted nothing more than a link to the spammer's commercial web site. Similar hits are often carried out against wikis and guestbooks, both of which allow user hand-outs.
Video sharing sites, such as YouTube, are often attacked by spammers. Most frequently applied method involves people (or spambots) distributing links to sites, most probably pornographic or dealing with online dating, on the comments section of indiscriminate videos or people's profiles.
Another type is an actual video spam, granting the uploaded movie, a name and description with a popular figure or occurrence which is probably to grab concentration or within the video having a convinced image timed to come up as the video's thumbnail image to deceive the viewer. The real content of the video ends up being completely not related.
Online classified advertising spam is a type of spam advertising which is predominantly familiar in newsgroup, online and periodicals like free ads papers.
Junk faxes transmission spam is a type of telemarketing where unwanted advertisements are sent through fax transmission. Junk faxes are similar to SMS spam or junk mails.
Social Networking spam is a spam intended for internet users in social networking services such as FaceBook, MySpace or LinkedIn. Users of social networking services can mail notes that may contain embedded links to some other social network site or even to some other spammy sites.
Spamming in file sharing network is defined as any file that is intentionally misused or represented in such a way so as to evade recognized retrieval and ranking methods. The reason behind spamming in P2P file sharing system is because majority of the shared files are not self-describing. Spammer can easily rename a file to operate how it is retrieved and ranked.
Spam is unsafe to P2P file-sharing systems in many ways. First, it corrupts user experience. Second, spam may have malware that, when performed, could demolish a computing system. Third, its transfer and discovery waste a large number of network and computing resources.