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.

Opinion | Don’t Get Bezosed

A spyware flaw, Elizabeth Holmes and my latest Facebook alert.

Opinion | Don’t Get Bezosed

A spyware flaw, Elizabeth Holmes and my latest Facebook alert.

Apple Issues Emergency Security Updates to Close a Spyware Flaw

Researchers at Citizen Lab found that NSO Group, an Israeli spyware company, had infected Apple products without so much as a click.

Howard University Hit by a Ransomware Attack

The Washington school canceled online and hybrid classes for a second day after shutting down its network.

Opinion | There’s a Better Way to Stop Ransomware Attacks

We’re not tackling the problem at its root.

Opinion | Could Cyberwar Make the World Safer?

Hacking, like war, is the continuation of politics by other means, but without the inevitable sacrifice of lives.

T-Mobile Says Hack Exposed Personal Data of 40 Million People

The company said that stolen files included the personal information of 7.8 million current customers and 40 million people who had applied for credit.

Israeli Spyware Maker Is in Spotlight Amid Reports of Wide Abuses

Data leaked to a consortium of news organizations suggests that several countries use Pegasus, a powerful cyberespionage tool, to spy on rights activists, dissidents and journalists.

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.

This Agency’s Computers Hold Secrets. Hackers Got In With One Password.

Hackers used one worker’s login information to penetrate the Law Department’s network after officials failed to implement a simple security measure.

Once, Superpower Summits Were About Nukes. Now, It’s Cyberweapons.

But with the ease of denying responsibility and the wide range of possible attackers, the traditional deterrents of the nuclear age no longer work.

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.

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.

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.