The recent high-profile hack of Twitter accounts where 12 BTC was stolen is being investigated, and some exchanges may already know who did it.
Source: https://cointelegraph.com/news/crypto-twitter-hack-recap-a-wake-up-call-for-centralized-platforms
Crypto Twitter Hack Recap: A ‘Wake Up Call’ for Centralized Platforms
July 18, 2020
CoinTelegraph