Lot’s of cyber attacks are based in malicious e-mails and use the good faith of users. That’s why you should train and sensitize your users. A simple and effective way is to visualize the danger with a small banner. In this article you get the information to create a rule with an “caution” banner. In …
Read more “Append E-Mail banner for external mails in Exchange Online E-Mail Tagging”
There are some news about security patches for exchange systems around the world. As every time these patches are urgent ;-), but patching is not the only thing you have to do. IMPORTANT: after installing SU you need to execute an additional AD prepSee the original post from exchange team https://techcommunity.microsoft.com/t5/exchange-team-blog/released-may-2022-exchange-server-security-updates/ba-p/3301831 But before here is …
Read more “Exchange 2013 /2016 / 2019 Securitypatch May 2022 KB5014261 with AD prep”
Today a new exchange update KB5008631 for all supported versions of exchange was released. See the original link to Exchange Team blog:https://techcommunity.microsoft.com/t5/exchange-team-blog/released-january-2022-exchange-server-security-updates/ba-p/3050699 Here are the links to download manually: Exchange Server 2013 CU23 Exchange Server 2016 CU21 and CU22 Exchange Server 2019 CU10 and CU11 They say there are some vulnerabilities but no exploit, so there is not that much pressure to …
Read more “New Exchange Security Update January 2022 KB5008631”
Exchange Team just released a new announcement, there will be no CU for Exchange Servers in december 2021. Also if there are no new updates, keep your server updated! As mentioned keep your onpremises exchange servers updated, see also this link: https://techcommunity.microsoft.com/t5/exchange-team-blog/why-exchange-server-updates-matter/ba-p/2280770 If your servers are already patched enjoy pre-christmas time.
Another very important security patch is enrolled the last 24 hours for Exchange 2013/2016/2019. See CVE-2021-42321. This CVE is also known als Remote Code Execution vulnerability. If you want to know some more information about this Exchange Update and the vulnerabilities see this link: https://techcommunity.microsoft.com/t5/exchange-team-blog/released-november-2021-exchange-server-security-updates/ba-p/2933169 Just choose your exchange version and download this patch from …
Read more “Urgent Exchange 2019/2016/2013 Security Patch November 2021 KB5007409”
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