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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Here is a blog covering some more in depth details.<br>
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<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">https://www.huntress.com/blog/rapid-response-mass-exploitation-of-on-prem-exchange-servers<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Thank you,<br>
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Kevin McCormick<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> NANOG <nanog-bounces+kmccormick=mdtc.net@nanog.org>
<b>On Behalf Of </b>Scott Morizot<br>
<b>Sent:</b> Friday, March 5, 2021 5:02 PM<br>
<b>To:</b> Eric Kuhnke <eric.kuhnke@gmail.com><br>
<b>Cc:</b> nanog@nanog.org list <nanog@nanog.org><br>
<b>Subject:</b> Re: Microsoft Exchange zero day<o:p></o:p></span></p>
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<p class="MsoNormal">On Fri, Mar 5, 2021 at 4:26 PM Eric Kuhnke <<a href="mailto:eric.kuhnke@gmail.com">eric.kuhnke@gmail.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">ISPs/NSPs with customers running self hosted or on-premises Exchange may want to be aware of this.<o:p></o:p></p>
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<p class="MsoNormal"><a href="https://krebsonsecurity.com/2021/03/at-least-30000-u-s-organizations-newly-hacked-via-holes-in-microsofts-email-software/" target="_blank">https://krebsonsecurity.com/2021/03/at-least-30000-u-s-organizations-newly-hacked-via-holes-in-microsofts-email-software/</a><o:p></o:p></p>
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<p class="MsoNormal"><a href="https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/" target="_blank">https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/</a><o:p></o:p></p>
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<p class="MsoNormal">Yes, and CISA released an alert and an emergency directive.<o:p></o:p></p>
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<p class="MsoNormal"><a href="https://us-cert.cisa.gov/ncas/current-activity/2021/03/03/cisa-issues-emergency-directive-and-alert-microsoft-exchange">https://us-cert.cisa.gov/ncas/current-activity/2021/03/03/cisa-issues-emergency-directive-and-alert-microsoft-exchange</a><o:p></o:p></p>
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