Pipeline Investigation Upends Idea That Bitcoin Is Untraceable

The F.B.I.’s recovery of Bitcoins paid in the Colonial Pipeline ransomware attack showed cryptocurrencies are not as hard to track as it might seem.

Who is Hacking the U.S. Economy?

In the past few weeks, cyberattacks have taken major industries hostage. Who are the perpetrators and why are the infiltrations becoming so common?

U.S. Seizes Share of Ransom From Hackers in Colonial Pipeline Attack

Investigators traced 75 Bitcoins worth more than $4 million through nearly two dozen cryptocurrency accounts.

Secret Chats Show How Cybergang Became a Ransomware Powerhouse

As the ransomware industry exploded, a Russian-speaking outfit called DarkSide offered would-be computer crooks not just the tools, but also customer support. We got an inside look.

Irish Hospitals Are Latest to Be Hit by Ransomware Attacks

Hospitals in Ireland, New Zealand and Scripps Health in San Diego are reeling from digital extortion attacks.