An aggressive password-spraying campaign targeting Microsoft 365 environments generated more than 81 million login attempts over a two-week period. […]
An aggressive password-spraying campaign targeting Microsoft 365 environments generated more than 81 million login attempts over a two-week period. […]
I believe they’re logged in paid Azure Tenants, and tenants with security licensing can set up Conditional Access policies to do things like restrict IPs from specific countries from making login requests.