Remediation Steps
Follow the steps below to remediate this finding on Microsoft IIS webserver.
Open IIS Manager.
Select your website.
Double-click HTTP Response Headers.
Click Add in the Actions pane and enter:
- NAME: Strict-Transport-Security
- VALUE: max-age=31536000; includeSubDomains; preload
Click OK.
Ensure the site is only accessible over HTTPS before enabling HSTS.