Opinion | America Is Being Held for Ransom. It Needs to Fight Back.

Businesses attacked. Data stolen. Miles of pipeline shut down. The scourge of ransomware is worse than ever.

Russia Influences Hackers but Stops Short of Directing Them, Report Says

The arrangement allows the Russian government some plausible deniability for attacks, researchers found.

Biden Warns Putin to Act Against Ransomware Groups, or U.S. Will Strike Back

Mr. Biden’s phone call appeared to be a pointed ultimatum to stop the hackers, who have attacked computer networks in the United States with relative impunity.

Biden Weighs a Response to Ransomware Attacks

The president summoned his top cybersecurity advisers to consider immediate action to disrupt Russian incursions.

Attempted Hack of R.N.C. and Russian Ransomware Attack Test Biden

The breach of a Republican National Committee contractor, also linked to Russia, and the global ransomware attack occurred weeks after a U.S.-Russian summit.

Meat processor JBS paid $11 million in ransom to hackers.

The breach was the latest in a string of attacks targeting businesses critical to American infrastructure.

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.