Opinion | The Brutal Truth About Bitcoin

Its value is volatile. Its users aren't as anonymous as they think. It might be a threat to the environment. And it could be exacerbating inequality.

Leaning on Journalists and Targeting Sources, for 50 Years

The Pentagon Papers created a delicate balance of power between the press and the government. Lately, it’s being threatened.

Bitcoin and Encryption: A Race Between Criminals and the F.B.I.

The F.B.I. scored two major victories, recovering a Bitcoin ransom and tricking lawbreakers with an encryption app. But criminals may still have the upper hand.

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.

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.

Are We Waiting for Everyone to Get Hacked?

It’s been almost a decade since Leon Panetta, then the secretary of defense, warned of an impending “Cyber Pearl Harbor.” He didn’t want to be right.

F.B.I. Director Compares Danger of Ransomware to 9/11 Terror Threat

The Biden administration is taking steps to counter the growing threat of cyberattacks on U.S. businesses, and encouraging companies to do more to protect themselves.

White House Warns Companies to Act Now on Ransomware Defenses

An open letter urged them to take many of the defensive steps that the federal government requires of its agencies and contractors.

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.

Biden Administration to Require Pipeline Companies to Report Cyberattacks

The move, which will require companies to report to the government any significant attacks, is a response to the Colonial Pipeline ransomware attacks.

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.