We have confirmed that the issue where Microsoft-related URLs were incorrectly detected has been resolved, following remediation by WithSecure.
Regarding items such as emails that were incorrectly quarantined, we are currently checking with WithSecure about methods, such as bulk release, to restore them. We apologize, but if this is urgent, please carry out the release operation from the administration screen.
We sincerely apologize for the inconvenience this has caused.
We are currently continuing to investigate the details in cooperation with WithSecure.
While we are still in the process of confirming the full scope of the issue, we have identified a potential temporary workaround:
Could you please enable the setting for "Trusted Websites" within the HENNGE Cloud Protection policy under [Exchange] > [URL Scanning] , and add the following URLs to the trusted list?
We are currently investigating an issue with the HENNGE Cloud Protecton service where a specific URL is being incorrectly detected, and details are under investigation.