What has been used to track political dissidents inside certain countries is now being used on targets abroad, according to Cylance.

An Android app might be more likely to ask for access to technical functions. An iOS app might seek to use sensitive features, like the microphone. In any case, Wandera says, know what you're getting into.

Microsoft has removed the apps from its store.

If the U.S. intelligence community worries about Huawei and Kaspersky, DHS should worry about federal government use of certain foreign VPN apps, says Sens. Marco Rubio and Ron Wyden.

The Florida Republican wrote to Apple demanding answers on why it reportedly took the tech giant weeks to address security issues in a popular app.

Cybersecurity giant Trend Micro has apologized after researchers discovered that a number of the company's consumer-facing apps were collecting users’ browser history.