Two Massachusetts mans had targeted executives working for cryptocurrency related organization thinking they will be owning large amount of cryptocurrency and have very high-value social media accounts. Meiggs and Harrington used a illegal method of hacking called SIM swapping to access social media accounts of victims and in some cases to steal cryptocurrency using the sensitive information collected via those hacked social media accounts.
According to US department of justice, these two men have targeted more than ten victims across US and have successfully stole or tried to steal atleast half of million dollar worth of cryptocurrency from them.
Source: https://altcoin.media/2019/11/14/two-men-were-arrested-in-us-for-stealing-over-500000-worth-of-cryptocurrency/