Hackers from China and Russia are finding cracks in Microsoft's security

• Russian and Chinese hackers have been getting past Microsoft security.
• In the latest attacks, Russians compromised the emails of multiple federal agencies, watchdog group says.
• Another watchdog group published a report last week detailing Microsoft's "inadequate" security culture.

China and Russia keep finding ways to get past Microsoft's security systems.

In an emergency directive made public on Thursday, the US Cybersecurity and Infrastructure Security Agency (CISA) confirmed that Russian-backed hackers stole emails that had been sent between federal agencies and Microsoft — emails that may have contained users' login credentials.