I love that it's already built into Windows. No extra agents to install, no extra software to deploy. It just turns on and starts protecting. For a small IT team, that 'zero-touch' deployment is a massive time-saver.

Defender is "free" with our license, which is great, but the amount of noise and false alerts is driving our SOC team crazy.

Sentinel is a data hungry beast. It works great, but the more logs you feed it, the more your monthly Azure bill grows. You have to be really careful about what you're actually monitoring or it gets very expensive, very fast.

If you're already paying for E5 licenses, Microsoft Security is basically a 'free' world-class security suite. Defender has come a long way—it's not the joke it was ten years ago. It’s actually one of the top-rated tools now.

Defender has gotten so much better. It's actually good now.