Time is running out on these two operating systems from Microsoft. The end of support is slated for later this year on October 10, 2023. If you continue to use either of these operating systems after that date you are putting your business at risk. Security updates are available to those with an extended service contract from Microsoft. Another alternative is to move your server instance to the Azure cloud. If you want to continue using of your on-premise server, upgrading to Windows Server 2022 is recommended. More information from Microsoft is available here.
Phishing and ransomware are the two big ticket items in cybercrime. It seems many people still don’t know what to look for to determine if an email is legitimate or if it’s fraudulent. Here are some links to help educate yourself and others about phishing emails.
I’d also like to add that account takeovers and ACH / payroll fraud have also seen a huge jump. Email is not a good conduit to conduct financial transactions. Avoid using email to send any account or banking information. Use email encryption if you need to send sensitive information via email.