Skip to main content

⚙️🪟🧑‍💼CP - OneDrive - Block personal OneDrive

What this page is about 🔒​

By now we all know hackers are out there to exfiltrate data. But let’s not forget: insiders can be just as creative (read: dangerous).

Think:

  • That one colleague who didn’t really click with the team 🙄
  • Someone leaving the company (voluntarily... or not) 😬
  • Or just a user who thinks “copying everything to my personal OneDrive is a good backup plan” 📤💀

And boom — data leaves the organization unmanaged.
Cillit Bang™. Bang and the data is gone.

So yes, blocking personal OneDrive accounts is not just a nice-to-have. It’s common sense.

But wait, what if the CEO does want it? 🧑‍💼📥​

Of course, sometimes the CEO wants to “bring in” something from their private stash. That one folder with decades-old spreadsheets and questionable macros.

In those rare cases, we add them to an exception group.

And to make that crystal clear, we mark this group with — yes — emojis.
Say hello to your default allow group:

👉 🛡️🧑‍💼👈🔓Group - Personal OneDrive Allowed users

Use this group to exclude specific users from the block policy.

🛠️ OneDrive Personal Account Block Configuration​

SettingStateDetails
Block syncing of personal OneDrive accountsEnabledPrevents signing in with personal Microsoft accounts in OneDrive

👥 Group Assignments​

✅ Included groups:​

  • All Users

❌ Excluded groups:​

Why?
Because sometimes business flexibility > full lockdown — but we want to control it explicitly.

💡 SuperVision Tip​

SuperVision makes user-based group management across multiple tenants ridiculously efficient.

Instead of working with tags, this policy uses a fixed, default group based on IAM.
That means you:

⚠️ Important: Always document who is allowed in this exclusion group.
Make sure your client has signed off on the exact list of users — no “just in case” additions. Governance matters here.

🔄 Bonus: the Inverse Policy​

Curious how to undo this policy just as cleanly?

Check out:
👉 ⚙️🪟🧑‍💼🔓CP - OneDrive - Allow personal OneDrive

It’s the inverse of this one — unblocking personal accounts in a controlled way when needed.
(Or as we like to say: removing the tattoo, not just hiding it.)

Final Thoughts 🔚​

Personal OneDrive sync is one of those “small” settings that turns into a giant compliance headache when ignored.

So:

  • Block it by default
  • Allow it with intent
  • Document your exceptions

Because "I just copied it to my own drive for convenience" is not the conversation you want to have during a data breach postmortem.

Secure smart.
Exclude with emoji logic.
And remember: Bang = gone.