product · 5 records
Microsoft 365

Iranian hacking group deploys new malware against targets in South Asia
The Iranian state-backed hacking group Nimbus Manticore deployed the new NightLedger backdoor and tunneling tools against targets across the Middle East, Africa, and South Asia.

Hackers compromise hotel Wi-Fi to redirect users to fake login pages
Hackers hijack hotel Wi-Fi DNS settings to redirect users to fake Microsoft 365 login pages.

Microsoft attributes major service outage to automated maintenance system bug
Microsoft attributes a massive Microsoft 365 and Azure outage to a bug in its automated maintenance system that inadvertently removed network IP routes in the West US Azure region.

German and US authorities dismantle Kratos phishing kit infrastructure
German and US law enforcement dismantled the core infrastructure of the Kratos phishing kit and arrested an Indonesian developer, disrupting a large-scale Microsoft 365 credential and session-theft operation.

Researchers identify new malware using Microsoft 365 calendar for covert communications
Group-IB researchers identified a new HollowGraph malware module that abuses Microsoft 365 calendar features as a covert command-and-control channel, likely linked to an Iranian threat actor targeting Israeli organizations.