Research and policy papers generally categorize these tools by the following functions:
: Many institutions require the installation of approved detection and removal tools on all organization-owned devices. For example, the University of Nebraska at Kearney (UNK) End User Device Policy mandates these tools to combat "packet sniffers, port scanners, and key loggers". Spyware Detection Removal Software
: Scanning for signatures of known spyware or monitoring for suspicious behavior (e.g., unauthorized data transmission). Research and policy papers generally categorize these tools