Meta says hackers stole code and data on 1,500 people, SecurityWeek reports

What happened

“This was not a vulnerability in any Meta product, and Meta’s internal systems were not breached,” a Meta spokesperson told SecurityWeek. October 17, 2026 - 9:52 am “This was not a vulnerability in any Meta product, and Meta’s internal systems were not breached,” a Meta spokesperson told SecurityWeek.

Meta detected the intrusion a few weeks ago, cut off the attackers’ access and brought in GitHub and law enforcement. Notifications started going out on Tuesday, 13 October.

Hackers got into some of Meta’s GitHub repositories and took personal data on about 1,500 people. Most of them are Meta employees in the US, and Meta is now notifying them.

Security Meta says hackers stole code and data on 1,500 people, SecurityWeek reports An outside group got in with an employee’s stolen credentials, Meta told SecurityWeek. Meta says the personal data, mostly on US staff, should never have been stored on GitHub.

Eduard Kovacs reported the breach for SecurityWeek on 13 October. An outside group got in with an employee’s stolen credentials, Meta told SecurityWeek.

What the hackers took Business data made up about 99% of what the hackers took, the company said. That data is software code for some of Meta’s products.