The corporation produces MLRS HIMARS. 

“Until yesterday, they said that all the data of Lockheed Martin employees is safe,” the hacker group said in a message on the Telegram channel.

The hackers also released a video with a spreadsheet containing the data of hundreds of employees of the defense giant - it displays names, email, unit address, phone numbers and photos.

Earlier it was reported that a pro-Russian hacker group launched a cyber attack on the website of an American arms manufacturer, as a result of which it stopped opening.