A hacker claims to have stolen 1 billion Chinese citizens' data, including names and addresses. The hacker wrote a ransom note asking for 10 bitcoin, or roughly $203,000, for the data. The Chinese government is reportedly blocking discussion about the leak online. Listen to The Refresh: Insider's real-time news podcast. A hacker claims to have stolen personal data—including phone numbers, government IDs, and names—from almost 1 billion Chinese citizens in one of the largest data leaks ever, according to several news reports. The enormous data theft occurred because of a glaring error in a Shanghai police database, The Wall Street...