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  2. 2021 Microsoft Exchange Server data breach - Wikipedia

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

    A global wave of cyberattacks and data breaches began in January 2021 after four zero-day exploits were discovered in on-premises Microsoft Exchange Servers, giving attackers full access to user emails and passwords on affected servers, administrator privileges on the server, and access to connected devices on the same network.

  3. Hive (ransomware) - Wikipedia

    en.wikipedia.org/wiki/Hive_(ransomware)

    Hive (ransomware) Hive (also known as the Hive ransomware group) was a ransomware as a service (RaaS) operation carried out by the eponymous cybercrime organization between June 2021 and January 2023. The group's purpose was to attack mainly public institutions to subsequently demand ransom for release of hijacked data.

  4. Fix problems reading or receiving AOL Mail - AOL Help

    help.aol.com/articles/fix-problems-reading-or...

    If you are able to sign in and read your mail, however you're not receiving new mail, there are a few things you can try to fix the problems. Check your filters. Sometimes a filter can cause emails to bypass your inbox and be sent to either the trash folder or a different folder.

  5. History of Microsoft Exchange Server - Wikipedia

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

    The first release of Exchange outside of Microsoft was Exchange Server 4.0 in April 1996, with five service packs being released over the next two years. Exchange Server 5.0. 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 ...

  6. Fix problems with third-party mail applications - AOL Help

    help.aol.com/articles/why-cant-i-access-my-aol...

    If you've activated 2-step verification for your AOL account, you'll need to generate and use an "app password" to access AOL Mail from these apps. Check your IMAP settings If your AOL Mail isn't sending or receiving mail properly, you'll need to make sure your IMAP or POP settings are correct .

  7. Create, share or delete calendars in AOL Mail - AOL Help

    help.aol.com/articles/create-share-or-delete...

    Tap on the right box and choose the access level the user will have . - Scroll down to see all the options available. 7. Click Save. Delete one of the calendars. 1.

  8. 2020 United States federal government data breach - Wikipedia

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

    The attackers exploited flaws in Microsoft products, services, and software distribution infrastructure. At least one reseller of Microsoft cloud services was compromised by the attackers, constituting a supply chain attack that allowed the attackers to access Microsoft cloud services used by the reseller's customers.

  9. Hafnium (group) - Wikipedia

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

    Hafnium (group) (Redirected from HAFNIUM (group)) Hafnium (sometimes styled HAFNIUM; also called Silk Typhoon by Microsoft [1]) is a cyber espionage group, sometimes known as an advanced persistent threat, with alleged ties to the Chinese government. [2] [3] [4] Hafnium is closely connected to APT40. [5]