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Disable Windows SMB1 so you don't WannaCry

Updated: Aug 11, 2022

Remember WannaCry - the ransomware that shutdown the National Health Service in the UK back in 2017? Well it turns out that lots of Windows computer still have the risky SMB1 service turned on that allowed WannaCry to spread. Thankfully, it's easy to disable and shouldn't affect anything.

Here's how to disable the risky Windows SMB1 service:

1. Go into Control Panel and open Programs and Features

2. On the left hand side, select Turn Windows features on or off to open the Windows Features box.

3. In the Windows Features box, scroll down the list, clear the check box for SMB 1.0/CIFS File Sharing Support and select OK.

4. After Windows applies the change, on the confirmation page, select Restart now.



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