Microsoft says Russian group has targeted hundreds of US networks

WASHINGTON — The Russian-based agency behind last year's massive SolarWinds cyber attack has targeted hundreds more companies and organizations in its latest wave of attacks on U.S.-based computer systems, Microsoft said in a blog post.

Microsoft, in its post dated October 24, said Nobelium's latest wave targeted “resellers and other technology service providers” of cloud services.

Those attacks were part of a broader campaign over the summer, Microsoft also said, adding it had notified 609 customers between July 1 and October 19 that they had been attacked.