Risk of infection by virus, spyware, or other malware installed surreptitiously over an IM network or in an IM-attached file.

TiKL - Push to Talk, Nextel-like functionality...bonus if you surreptitiously install it on a friends phone and then use it to scare the heck out of them.

It alleges the company surreptitiously installed the spyware on millions of compact music discs (CDs) that consumers inserted into their computers when they play the CDs, which can compromise the systems.

With Internet phones, hackers or disgruntled employees with access to a company's phone server can eavesdrop on conversations by surreptitiously installing software that can track voice packets.

In 2011, an artist surreptitiously installed a mosaic on the wall of a COASTER bridge near the Encinitas station that came to be known as "Surfing Madonna".

And that is that Microsoft was found to be surreptitiously installing a Firefox add-on for .

Crimeware can surreptitiously install keystroke loggers to collect sensitive data-login and password information for online bank accounts, for example-and report them back to the thief.

A crucial tool was a software program called Invisible KeyLogger Stealth, which he admitted to surreptitiously installing at the Kinko's terminals.

On the Supreme Commander's direct orders, Norma surreptitiously installed her twelve remaining computer-based devices deep in the navigational systems of selected spacefolders.

But it is, it's a creepy development, the idea that there could be software that is known by authorities, installed surreptitiously in people's machines, specially for the purpose of surveilling them.