Bitcoin: What happened and what's ahead

Wednesday was a rough day for Bitcoin investors as the cryptocurrency plunged by as much as 30% from the prior day to a low of $30,201 by late afternoon.

Colonial Pipeline CEO tells why he paid hackers a $4.4M ransom

U.S. officials have linked the ransomware attack on Colonial to a criminal gang known as DarkSide, believed to be based in Eastern Europe, which specializes in crafting the malware used to breach systems, and shares it with affiliates -- for a cut of the ransoms they obtain.