Associated Press

Formed in a fury to counter Russia’s blitzkrieg attack, Ukraine’s hundreds-strong volunteer “hacker” corps is much more than a paramilitary cyberattack force in Europe’s...

Russia’s state communications watchdog has ordered to completely block access to Facebook in Russia amid the tensions over the war in Ukraine.

Maryland lawmakers highlighted a package of measures Wednesday to tighten cybersecurity in the state.

Russia has some of the best hackers in the world, but in the early days of the war in Ukraine, its ability to create...

Toyota is suspending production at all 28 lines of its 14 plants in Japan starting Tuesday, because of a “system malfunction” that a domestic...

The Israeli tech company NSO Group on Sunday filed a libel lawsuit against an Israeli newspaper after it published a series of explosive articles...

Election officials preparing for this year’s midterms have yet another security concern to add to an already long list that includes death threats, disinformation,...

New York wants to improve its cybersecurity defenses and will open a joint operations center in the coming months to coordinate between government agencies,...

The websites of Ukraine’s defense, foreign and interior ministries were unreachable or painfully slow to load Thursday morning after a punishing wave of distributed-denial-of-service...

Warnings to use disposable “burner” phones and laptops. Privacy-protecting software. Concerns about a security flaw in an official Games smartphone app.

The White House blamed Russia on Friday for this week’s cyberattacks targeting Ukraine’s defense ministry and major banks and warned of the potential for...

A series of cyberattacks on Tuesday knocked the websites of the Ukrainian army, the defense ministry and major banks offline, Ukrainian authorities said, as...

The San Francisco 49ers have been hit by a ransomware attack, with cyber criminals claiming they stole some of the football team’s financial data.

A federal cybersecurity agency is reviewing a report that alleges security vulnerabilities in voting machines used by Georgia and other states and says the...

The CIA has a secret, undisclosed data repository that includes information collected about Americans, two Democrats on the Senate Intelligence Committee said. While neither...

Poland’s defense minister on Tuesday appointed an army general to head a new Cyber Defense Force to officially launch the unit’s operation.

The Justice Department announced Tuesday its largest-ever financial seizure — more than $3.5 billion — and the arrests of a New York couple accused...

Vodafone Portugal, one of the country’s leading telecommunications companies, said Tuesday it had been hacked though no confidential customer data was compromised.