The 27-year-old from Saint-Alphonse-de-Rodriguez, Que., was arrested Wednesday by RCMP investigators.
According to a release from the RCMP, the woman is believed to have used a botnet — a technique that helps distribute malicious software and infect a group of computers, which basically turns them into "zombies" by forcing them to perform tasks without the owner's knowledge.
Investigators allege the suspect used malicious software to spy on people through their web cameras.
They also allege the hacker eavesdropped on private conversations, communicated with victims through their computer speakers, and logged onto extreme pornography websites.
Investigators believe the victims included children in Canada and abroad.
They also allege the 27-year-old is the owner of an online hacking forum that has 35,000 users worldwide.
The woman is set to appear in court in Joliette, Que., on Wednesday afternoon, facing criminal charges, including unauthorized use of a computer and mischief in relation to computer data.