Are contactless payments safe?

A contactless bank card is a super-convenient thing. However, its ease of use would make you wonder whether stealing your money is equally easy.
LTE-U: on the way to 5G

Ericsson and Qualcomm are promoting their new technology, LTE-U. Is it any better that LTE-A? And what is this combinations of letters supposed to mean, after all?
My risky gamble: 24 hours without smartphone

A bottle of good scotch in exchange for a day without a smartphone? Would I dare? That's a piece of cake! That's what I thought. As it turned out, it's not that simple nowadays
Future UAV use cases and emerging security threats

In next 10-20 years UAVs, in one or another manner, will become an integral part of our life, but still remain highly prone to vulnerabilities and security issues.