He could not understand how anyone could be using the building at that time of night without his knowledge.

"You object quite rightly that I use people without their full knowledge and consent."

Also, never stop using your asthma drugs without your doctor's knowledge.

In a handful of publicly disclosed cases, genetic data has been used without workers' knowledge.

A hidden camera is a still or video camera used to film people without their knowledge.

That her room was being used as a hiding place without her knowledge.

So there's the possibility that people might be using 16-bit apps even today without their knowledge.

Researchers hope that it could be used by a woman without her partner's knowledge.

"She might have happened on the scarf by accident and used it without his knowledge."

But the idea was it would catch programs that were using your computer connection without your knowledge.