Newsletter platform Substack has confirmed a data breach in an email to users. The company said that in October, an “unauthorized third party” accessed user data, including email addresses, phone numbers, and other unspecified “internal metadata. ” Substack specified that more sensitive data, such as credit card numbers, passwords, and …

A data breach at government technology giant Conduent appears to affect far more people than first disclosed, with the number of victims potentially stretching to dozens of millions of people across the United States. The January 2025 ransomware attack, which knocked out Conduent’s operations for several days, is now known …

The computer systems of La Sapienza in Rome, one of the largest universities in Europe with around 120,000 students, have been down for three days following an apparent ransomware attack. In a post and in stories on Instagram published Tuesday, the university said that it took down its systems out …

A notorious hacking group has claimed responsibility for last year’s data breaches at Harvard University and the University of Pennsylvania (UPenn) and published the data that they claim to have stolen from the two schools. On Wednesday, the group known as ShinyHunters published what it claims are more than 1 …

In Brief French police and Europol searched the local office of X, the Paris prosecutor’s office announced on Tuesday. The raid is part of an ongoing investigation launched in 2025 on allegations of “fraudulent extraction of data” of an automated data-processing system “by an organized group. ” French prosecutors’ cybercrime …

The Department of Homeland Security has been quietly demanding tech companies turn over user information about critics of the Trump administration, according to reports. In several cases over recent months, Homeland Security has relied on the use of administrative subpoenas to seek identifiable information about individuals who run anonymous Instagram …