5G will revolutionize our lives - and unleash security threats

What once seemed like science fiction will soon become reality. Doctors will perform surgery from thousands of miles away using remote-controlled robots. Self-driving cars will zip through traffic.

This is the promise of fifth-generation wireless technologies, or “5G.” Internet users will download up to 10 gigabytes of videos and documents per second -- one hundred times faster than existing 4G networks. The ability to transmit vast quantities of data virtually instantaneously will revolutionize our lives.

But 5G will also unleash new security risks. Hyper-connectivity will give cybercriminals...