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AT&T reset passcodes for millions of customers after acknowledging a massive leak involving the data of 73 million current and former subscribers.

"Based on our preliminary analysis, the data set appears to be from 2019 or earlier, impacting approximately 7.6 million current AT&T account holders and approximately 65.4 million former account holders," AT&T said in an update posted to its website on Saturday.

An AT&T support article said the carrier is "reaching out to all 7.6 million impacted customers and have reset their passcodes. In addition, we will be communicating with current and former account holders with compromised sensitive personal information." AT&T said the leaked information varied by customer but included full names, email addresses, mailing addresses, phone numbers, Social Security numbers, dates of birth, AT&T account numbers, and passcodes.

Enlarge / An officially released image for Insomniac Games' upcoming game Wolverine. (credit: Insomniac Games)

Acclaimed Sony-owned game development studio Insomniac Games became the victim of a large-scale ransomware attack this week, as initially reported by Cyber Daily. Ransomware group Rhysida dumped 1.67TB of data, including assets and story spoilers from unreleased games, a road map of upcoming titles, internal company communications, employees' personal data such as passport scans and compensation figures, and much more.

The gang said it chose Insomniac because, as a large and successful studio, it made an attractive target for a money grab. The ransom was $2 million, and Insomniac refused to pay it.

As a result, a trove of emails, Slack messages, slideshow presentations, and more hit the web. Notably, these included screenshots and assets from the studio's upcoming Wolverine game, as well as confirmation that Wolverine is planned to be the first in a trilogy of games starring X-Men characters. The materials also revealed that the company is working on another Ratchet & Clank game and a new Spider-Man sequel.