Microsoft Exchange 0 Day Vulnerability

Omega Systems support teams have completed remeditaions on all identified Microsoft Exchnage Servers.

Remediation efforts are underway after successful testing. Omega Systems support teams have identified Exchange Servers impacted and have begun performing the recommended steps from Microsoft. Update will be provided after remediation has been completed.

Omega Systems Security Operation Team has been tracking a new 0 day vulnerability in the Microsoft Exchange email server system. We have proactively added detection rules to our SEIM and EDR platforms as well as blocking the source threat actor command and control servers to the Omega Systems datacenter. The support team is testing temporary remediation steps currently and will be deploying these steps after validation to our Smart Support and Smart Mail customers today. This does not impact Office 365 hosted email services only on premise exchange servers. The below link provides detailed information on the vulnerability and remediation steps taken until an official patch is provided by Microsoft. Omega Systems will keep you informed as our remediation steps are finalized and deployment has begun to our managed services customers.

https://msrc-blog.microsoft.com/2022/09/29/customer-guidance-for-reported-zero-day-vulnerabilities-in-microsoft-exchange-server/