We soon close out the security year of 2022. Only time will tell what 2023 will bring, but for IT and security admins of Microsoft networks, 2022 has been the year of blended attacks, on-premises Exchange Server flaws, and vulnerabilities needing more than patching to mitigate. Here’s a month-by-month look at the past year.
January: A bad start for on-premises Microsoft Exchange Server vulnerabilities
It seems fitting that 2022 began with the release of the Microsoft Exchange Server remote code execution vulnerability (CVE-2022-21846). It raises the question for anyone still with an on-premises Exchange Server: Do you have the expertise to keep it safe especially if you are targeted? Exchange 2019 is the only version under mainstream support at this time. If you are still running Exchange Server 2013, it reaches end of support on April 11, 2023. Your window of opportunity to make an easy transition is closing. Migrate to Exchange online or on-premises Exchange 2019 or consider a different email platform completely.
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