At the Spy Exchange and Security Center, you'll find all kinds of surveillance devices.
Vice President, Cody Woods, says you can also buy gadgets to see who's watching you.
"If someone is using a video camera to watch you and see what you're doing, catch your passwords on an alarm system, on a phone or a computer, this device would actually find a wireless video camera," said Woods.
This isn't paranoia, but rather, preparation for today's real cyber security threats.
Woods said, "Your cell phone can be hacked and cloned and people can see everything you do on your cell phone, your computer."
The FBI is investigating a so-called "sextortion" case involving Miss Teen USA, Cassidy Wolf.
According to investigators, she received anonymous emails from someone claiming to have nude photos of her, taken via her computer's webcam.
"Even your cars nowadays, they have a cell phone or a computer built in and people can hack into those," added Woods.
Recently, researchers were able to completely disable a driver's ability to control a vehicle...all with the click of a button.
Hackers can gain access to your smart phone through apps and games you download.
Woods said, "Unfortunately, those devices can be hacked into very easily."
If burglars trade their crowbars for laptops and wi-fi scanners, Internet connected home security system can also be targeted.
Industry experts warn, anywhere you find technology, you'll most likely find hackers.
Even through a baby monitor.
A Houston couple recently heard a hacker's voice coming from their two year-old's room, calling her by name and telling her to wake up.
Woods said, "There's different kinds of products, bug and phone tap detectors, things you can use. Your computer is very hard to keep anything from being bugged."
A University of Texas graduate student is being charged with a state jail felony for breach of computer security.
The FBI claims she used a hidden account to gain access to another student's computer and was stealing his passwords.