Telecom company AT&T(T.N), opens new tab said on Saturday that it is investigating a data set released on the "dark web" about two weeks ago, and said that its preliminary analysis shows it has impacted approximately 7.6 million current account holders and 65.4 million former account holders.
The company said the data set appears to be from 2019 or earlier. AT&T said it does not have evidence of unauthorized access to its systems resulting from the incident.
The U.S. State Department on Wednesday offered up to $10 million for information on the "Blackcat" ransomware gang who hit the UnitedHealth Group's tech unit and snarled insurance payments across America.
"The ALPHV Blackcat ransomware-as-a-service group compromised computer networks of critical infrastructure sectors in the United States and worldwide," the department said in a statement announcing the reward offer.
Reuters shows how Chinese hackers invaded myriad global companies, exposing entrenched weaknesses in Western cyber defenses.
China has introduced guidelines to phase out U.S. microprocessors from Intel (INTC.O), opens new tab and AMD (AMD.O), opens new tab from government personal computers and servers, the Financial Times reported on Sunday.
The procurement guidance also seeks to sideline Microsoft's (MSFT.O), opens new tab Windows operating system and foreign-made database software in favour of domestic options, the report said.
Spanish airline Air Europa (ICAG.L), opens new tab said on Friday personal data of its customers may have been compromised in a security incident that was detected in October last year.
The company's investigation showed that name, ID card or passport details, date of birth, telephone number, email address and nationality details could have been leaked, Air Europa told its customers in an email that was seen by Reuters.
website used by hackers responsible for a breach at UnitedHealth Group (UNH.N), opens new tab has been replaced by a notice saying it has been seized by international law enforcement.
But at least one of the agencies allegedly responsible said it had nothing to do with the seizure, raising the possibility that the hackers - who also go by the moniker ALPHV - faked their own takedown.
A message posted to the website of the Blackcat hacking gang on Tuesday said it had been impounded "as part of a coordinated law enforcement action" by U.S. authorities and other law enforcement agencies. Among the logos of non-American agencies involved were those of Europol and Britain's National Crime Agency.
Lockbit, a notorious cybercrime gang that holds its victims' data to ransom, has been disrupted in a rare international law enforcement operation by Britain’s National Crime Agency and the U.S. Federal Bureau of Investigation, according to a post on the gang’s extortion website on Monday.
The U.S. Government Accountability Office said Monday that CGI Federal, an IT contractor and unit of CGI Inc , notified the agency of a data breach last month affecting about 6,000 current and former GAO employees.
the European Commission will open an investigation into TikTok in the coming weeks over concerns that changes the firm made to comply with the bloc's Digital Services Act (DSA) were not enough to protect under-age users, Bloomberg News reported on Friday.
TikTok has not received notice from the European Commission of an investigation and is in regular dialogue with European Union authorities, a spokesperson told Reuters when asked about the Bloomberg report. The EC declined to comment.
Chinese state-backed cyber spies gained access to a Dutch military network last year, Dutch intelligence agencies said on Tuesday, calling it part of a trend of Chinese political espionage against the Netherlands and its allies.
German police have confiscated 50,000 bitcoin worth $2.17 billion in the country's 'most extensive' cryptocurrency seizure ever, it said in a statement on Tuesday.
"This is the most extensive seizure of bitcoins by law enforcement authorities in the Federal Republic of Germany to date," police in the city of Dresden said.
The investigation was supported by the Federal Criminal Police Office (BKA), the FBI and a Munich-based forensic IT expert company, it said.
The U.S. government in recent months launched an operation to fight a pervasive Chinese hacking operation that successfully compromised thousands of internet-connected devices, according to two Western security officials and one person familiar with the matter.
The Justice Department and Federal Bureau of Investigation sought and received legal authorization to remotely disable aspects of the Chinese hacking campaign, the sources told Reuters.
Russian hackers were inside Ukrainian telecoms giant Kyivstar's system from at least May last year in a cyberattack that should serve as a "big warning" to the West, Ukraine's cyber spy chief told Reuters.
The hack, one of the most dramatic since Russia's full-scale invasion nearly two years ago, knocked out services provided by Ukraine's biggest telecoms operator for some 24 million users for days from Dec. 12.
Ukraine's biggest mobile network operator was hit on Tuesday by what appeared to be the largest cyberattack of the war with Russia so far, knocking out mobile and internet services for millions and the air raid alert system in parts of Kyiv region.
Unidentified governments are surveilling smartphone users via their apps' push notifications, a U.S. senator warned on Wednesday.