"Wanna" ransomware outbreak. Please see this Sophos article sophos.com/kb/126733 for advice on how to protect your organization. Immediate action recommended.
This article details how to increase the maximum size and number of Sophos Management Communication System (MCS) log files. Sophos Support may ask you to change the default settings to troubleshoot issues, typically in combination with increasing the log level as detailed in article 119607.
Note: The default log file rotation values for each component are 4 log files with a maximum size of 1 MB each.
Applies to the following Sophos product(s) and version(s) Sophos Cloud
<McsAgent> <logSize>4</logSize> <logCount>6</logCount> </McsAgent>
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