Microsoft advises users to maintain their Exchange servers up to date as well as take precautions such as turning on Windows Extended Protection and setting up the certificate-based signing of PowerShell serialization payloads.
The software giant’s Exchange Team stated in a post that attackers attempting to target unpatched Exchange servers would not stop. The value of unpatched on-premises Exchange infrastructure to hostile actors attempting to steal data or carry out other wrongdoing is too great.
Microsoft also noted that the mitigations it has released are only a temporary fix and may “become insufficient to guard against all permutations of an attack,” requiring users to apply the required security updates in order to secure the servers read the complete article Microsoft Urges Customers to Secure On Premises Exchange Servers.
You can learn about the most recent cybersecurity news and services to protect your business and yourself with the help of reconbee.com.