"Wanna" ransomware outbreak. Please see this Sophos article sophos.com/kb/126733 for advice on how to protect your organization. Immediate action recommended.
Sophos Update Manager (SUM) by default checks for updates of the endpoint virus engine version and the version of SUM on a schedule of every 60 minutes every day of the week. Threat detection data (IDE files) is updated every 10 minutes.
This article explains how to change your SUM so that virus engine version and SUM versions are only checked for/updated in a specific window of time during the day while leaving threat detection data to be updated every 10 minutes.
Known to apply to the following Sophos product(s) and version(s) Sophos Update Manager
On a computer with the Sophos Enterprise Console installed:
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