Bloomberg reported hackers infiltrated major tech companies Apple, Amazon
China, Venezuela, North Korea, Iran adopting Russian interference playbook
Investigators 'routinely found mission-critical cyber vulnerabilities'
Pyongyang targeted $1.1 billion in recent cyber bank heists
New Trump policy rejects Obama's passive response to cyber attacks
State official urges Senate not to politicize Russian subversion in U.S.
Counterintelligence report details foreign spies theft of advanced U.S. technology
U.S. needs a whole-of-government effort to counter foreign influence and cyber attacks