Most of your business probably runs in the cloud now. Email, files, accounting, bookings, payments, it’s all online. Then one day a service goes down, and nobody can send an email, open a file, or take a payment.

It doesn’t take a hacker for this to happen. In July 2024, a faulty software update from the security company CrowdStrike crashed millions of Windows computers around the world in a few hours. Microsoft estimated it hit 8.5 million devices, grounding flights and stopping work at banks and hospitals.