(Reuters) -Microsoft ( MSFT ) said on Friday that Russian state-sponsored hacking group Midnight Blizzard have gained access to some of its source code repositories and internal systems, after a hack that was detected by the U.S. company in January.

The hackers have increased the volume of some aspects of the attack by as much as 10-fold in February, compared to the already large volume we saw in January 2024, Microsoft ( MSFT ) said.

It added that Midnight Blizzard is attempting to use secrets of different types it has found that were shared with customers