This Cybersecurity App Handles Your Company's Internal Weaknesses DataGravity offers a unique solution to a common problem.

Chinese industrial spies, credit-card cyber bandits, poaching competitors -- data theft gets worse every year. Yet the most overlooked security leak, experts say, is the inside job. And it's not only from bad people. The biggest threats can be "caused by human error, which is the most common case," says Paula Long, CEO of Nashua, N.H.-based DataGravity, which specializes in storage solutions to help thwart cybercrime.

Most cybersecurity products identify anomalous behavior on a computer network and respond to attacks in real time; DataGravity secures data at the point of storage. Files are tagged and tracked as soon as they're created, so the who, what, when and where of the documents can be monitored and audited. The system scans every file for sensitive elements such as credit card and Social Security numbers. When it finds something, it alerts the system administrator, who can limit access or delete the vulnerable file entirely.

"Security violations sometimes take the form of someone accessing the storage under stolen or false credentials," Long says. "Our product identifies whose credentials they are masquerading under, what data they accessed and from where they entered the array."