The Electronic Service Agent (ESA) is an agent that runs in the background on the server, and detects and reports on equipment and software installed on the computer.

电子服务代理（Electronic Service Agent，ESA）是在服务器后台运行的代理，将检测和报告计算机上安装的设备和软件。

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But the fact that the prosecution won its computer sabotage case last month sends out a good message, according to Ed Lugo, a special agent in the U.S. Secret Service's Electronic Crimes Branch.

CNN: Legal system gears up for computer crime cases