US
Fed Chairman said he was more worried about the risk of a large-scale cyberattack than another financial crisis
Hackers took advantage of a feature designed to help people easily find friends using contact lists
US agencies and thousands of companies are fighting off major hacking campaigns originating in Russia and China
These attacks did not lead to a leak of confidential research or personal information
Executives from both firms have been put on the defensive over competing crises
A small group of hackers viewed live and archived surveillance footage from hundreds of businesses including Tesla
Microsoft blamed the initial wave of attacks on a Chinese government-backed actor
Microsoft said targets included infectious disease researchers, law firms, higher education institutions
Microsoft had said before that the hackers had accessed some source code, but had not said which parts
Facebook took down hundreds of Instagram accounts that were hacked and sold for their high-value usernames