nanog mailing list archives

Re: Microsoft Exchange zero day


From: Scott Morizot <tmorizot () gmail com>
Date: Fri, 5 Mar 2021 17:02:29 -0600

On Fri, Mar 5, 2021 at 4:26 PM Eric Kuhnke <eric.kuhnke () gmail com> wrote:

ISPs/NSPs with customers running self hosted or on-premises Exchange may
want to be aware of this.



https://krebsonsecurity.com/2021/03/at-least-30000-u-s-organizations-newly-hacked-via-holes-in-microsofts-email-software/


https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/


Yes, and CISA released an alert and an emergency directive.

https://us-cert.cisa.gov/ncas/current-activity/2021/03/03/cisa-issues-emergency-directive-and-alert-microsoft-exchange

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