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  2. 2021 Microsoft Exchange Server data breach - Wikipedia

    en.wikipedia.org/wiki/2021_Microsoft_Exchange...

    Hackers took advantage of four separate zero-day vulnerabilities to compromise Microsoft Exchange servers' Outlook Web Access (OWA), [2] giving them access to victims' entire servers and networks as well as to emails and calendar invitations, [4] only at first requiring the address of the server, which can be directly targeted or obtained by ...

  3. 2020 United States federal government data breach - Wikipedia

    en.wikipedia.org/wiki/2020_United_States_federal...

    [23] [24] This allowed them to access additional credentials necessary to assume the privileges of any legitimate user of the network, which in turn allowed them to compromise Microsoft Office 365 email accounts. [23] [24] Additionally, a flaw in Microsoft's Outlook Web App may have allowed attackers to bypass multi-factor authentication. [14 ...

  4. Behind the Green Door secure communications center with SIPRNET, NMIS/GWAN, NSANET, and JWICS access. The Joint Worldwide Intelligence Communications System (JWICS) is a secure intranet system utilized by the United States Department of Defense to house "Top Secret/Sensitive Compartmented Information" [5] In day-to-day usage, the JWICS is used primarily by members of the Intelligence Community ...

  5. Hafnium (group) - Wikipedia

    en.wikipedia.org/wiki/HAFNIUM_(group)

    Microsoft named Hafnium as the group responsible for the 2021 Microsoft Exchange Server data breach, and alleged they were "state-sponsored and operating out of China". [3] [4] According to Microsoft, they are based in China but primarily use United States-based virtual private servers, [6] and have targeted "infectious disease researchers, law firms, higher education institutions, defense ...

  6. History of Microsoft Exchange Server - Wikipedia

    en.wikipedia.org/wiki/History_of_Microsoft...

    Initial release: May 23, 1997. Introduced the new Exchange Administrator console, as well as opening up "integrated" access to SMTP-based networks for the first time.. Unlike Microsoft Mail (which required a standalone SMTP relay), Exchange Server 5.0 could, with the help of an add-in called the Internet Mail Connector, communicate directly with servers using

  7. What is Outlook Web App? A guide to Microsoft's web email ...

    www.aol.com/news/outlook-app-guide-microsofts...

    How to compose a new message. Click "New message" at the top of the folder list. Start typing the name of the addressee in the "To" field. Outlook will display a dropdown menu of complete email ...

  8. Joint Enterprise Defense Infrastructure - Wikipedia

    en.wikipedia.org/wiki/Joint_Enterprise_Defense...

    The Joint Enterprise Defense Infrastructure (JEDI) contract was a large United States Department of Defense cloud computing contract which has been reported as being worth $10 billion [1][2] over ten years. JEDI was meant to be a commercial off-the-shelf (COTS) implementation of existing technology, while providing economies of scale to DoD.

  9. Defense Message System - Wikipedia

    en.wikipedia.org/wiki/Defense_Message_System

    The Defense Message System or Defense Messaging System (DMS) is a deployment of secure electronic mail and directory services in the United States Department of Defense.DMS was intended to replace the AUTODIN network, and is based on implementations of the OSI X.400 mail, X.500 directory and X.509 public key certificates, with several extensions to meet the specific needs of military messaging.