The presidential adviser's personal accounts were vulnerable to hackers.
The devices called Stingrays can collect information from any phone in a broad area.
The ransomware attack crippled operations and caused a dip in stock prices.
"I am more worried about the ability of bad guys to hijack our networks than their ability to hijack our flights," Nielsen says.
The Chinese telecom's true audience may be other countries considering 5G bans.
The agency will present prototype machines at the DEF Con hackers conference.
There’s still a lot of bureaucracy before the U.S. strikes back in cyberspace.
It's part of an all-out battle to block several Russian and Chinese companies from American secrets.
Trump's policies are actually a lot like Obama’s -- and experts welcome a more robust approach.
The government hopes transparency will blunt possible election interference.