Huawei

The Cupertino, Calif. tech titan has stolen the South Korean electronic giant's thunder in the smartphone sales war for the first time since 2011. But upstart Xiaomi might have the most to boast about.

After legislators branded it a national security threat, the company is planning a campaign to win over U.S. consumers.

Huawei and leading Russian carrier Megafon are honing the technology in the run-up to the 2018 games.

New revelations about the NSA shed light on the extent of its cyber-exploits and the special hacking unit that can gain access to your whole digital life.