The South American hacking group Lapsus$ is being investigated by Microsoft and Okta. The collective claims to have stolen source code from a server.

According to BleepingComputer, Lapsus$ released a torrent on Monday that contained 37 gigabytes of source code for around 250 projects. 90 percent of Bing's source code is included in the data, according to the group. Projects that have been affected include websites, mobile apps and web-based infrastructure.

There are internal emails and documentation in the leaks. The torrent is not thought to have any code for desktop software.

We are aware of the claims and are looking into them.

Okta says it has not yet found evidence of a new breach, despite the fact that the same group has also targeted it.

Okta detected an attempt to compromise the account of a third party customer support engineer working for one of their subprocessors. The January event is believed to be connected to the onlineScreenshots shared online. There is no evidence of ongoing malicious activity beyond the activity detected in January.

Okta's internal systems were claimed to be by Lapsus$. According to The Wall Street Journal, the hackers did not have access to Okta itself, but focused on the company's customers, which include Yahoo.

The hacking group has attacked a number of high-profile targets in recent weeks. In February, hackers obtained company data, while Lapsus$ claimed to have leaked 190GB of data.

Added Microsoft's statement.