The full scope of the breach could take months to understand.

Mimecast offers an attractive target for spies looking to burrow into high-value organizations

The illicit access would have allowed attackers to spy on Mimecast clients.

Mimecast bought the startup for $88 million. Solebit's threat detection capabilities are already integrated into Mimecast's products.

With an ever-increasing number of threats coming toward state and local government agencies, leaders must think more strategically about cyber resilience.