We live in a Microsoft world when it comes to business – and Microsoft Exchange, whether hosted or your own servers, by their very nature contain information that hacker love or are a way into an organisation.
So they are always going to be a target:
UNC3524: Eye Spy on Your Email | Mandiant
Cyber-spies target Microsoft Exchange to steal M&A info • The Register
Keep them:
- patched and updated
- protected to the best of your ability
- and backed-up
