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  2. 2021 Microsoft Exchange Server data breach - Wikipedia

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

    The first breach of a Microsoft Exchange Server instance was observed by cybersecurity company Volexity on 6 January 2021. [1] By the end of January, Volexity had observed a breach allowing attackers to spy on two of their customers, and alerted Microsoft to the vulnerability. After Microsoft was alerted of the breach, Volexity noted the ...

  3. Change Healthcare cyberattack was due to a lack of ... - AOL

    www.aol.com/lifestyle/change-healthcare-cyber...

    TOM MURPHY. May 1, 2024 at 1:10 PM. The Change Healthcare cyberattack that disrupted health care systems nationwide earlier this year started when hackers entered a server that lacked a basic form ...

  4. 2020 United States federal government data breach - Wikipedia

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

    In 2020, a major cyberattack suspected to have been committed by a group backed by the Russian government penetrated thousands of organizations globally including multiple parts of the United States federal government, leading to a series of data breaches. [1] [28] [29] The cyberattack and data breach were reported to be among the worst cyber ...

  5. US cyber agency says Russian hackers used Microsoft access to ...

    www.aol.com/news/us-cyber-agency-says-russian...

    By Raphael Satter. WASHINGTON (Reuters) -The U.S. Cybersecurity and Infrastructure Security Agency said Russian government-backed hackers have used their access to Microsoft's email system to ...

  6. UnitedHealth hack takes toll on healthcare providers to the ...

    www.aol.com/news/unitedhealth-hack-takes-toll...

    CHICAGO (Reuters) - The ransomware attack on UnitedHealth that has disrupted payments to U.S. doctors and healthcare facilities nationwide for a month, has taken an especially harsh toll on the ...

  7. Anthem medical data breach - Wikipedia

    en.wikipedia.org/wiki/Anthem_medical_data_breach

    The Anthem medical data breach was a medical data breach of information held by Elevance Health, known at that time as Anthem Inc. . On February 4, 2015, Anthem, Inc. disclosed that criminal hackers had broken into its servers and had potentially stolen over 37.5 million records that contain personally identifiable information from its servers.

  8. Email hacking - Wikipedia

    en.wikipedia.org/wiki/Email_hacking

    Email is a very widely used communication method. If an email account is hacked, it can allow the attacker access to the personal, sensitive or confidential information in the mail storage; as well as allowing them to read new incoming and outgoing email - and to send and receive as the legitimate owner. On some email platforms, it may also ...

  9. AOL Mail

    mail.aol.com

    AOL Mail is free and helps keep you safe. From security to personalization, AOL Mail helps manage your digital life Start for free