Service Level Agreement: part of a support agreement where detailed services are defined including: scope, quality, responsibilities, covered devices, response time and contact methods. This agreement is between the service provider and the service user. Service Level Agreements define the response methods and response time per defined situations.

Simple Network Time Protocol: is basically NTP, but lacks some internal algorithms that are not needed for all types of servers. NTP is a protocol designed to synchronize the clocks of computers over a network.

SPAM or Spam may refer to food (a canned pork meat product) or unsolicited or undesired email. SPAM filtering is a tool to remove unwanted email from reaching the end user.

Spyware is software that aids in gathering information about a person or organization without their knowledge and that may send such information to another entity without the consumer's consent, or that asserts control over a computer without the consumer's knowledge.