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On 12 March 2021, Microsoft announced the discovery of "a new family of ransomware" being deployed to servers initially infected, encrypting all files, making the server inoperable and demanding payment to reverse the damage. [16] On 22 March 2021, Microsoft announced that in 92% of Exchange servers the exploit has been either patched or mitigated.
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 ...
[94] [95] [14] The attacker exploited a vulnerability in the organization's Microsoft Exchange Control Panel, and used a novel method to bypass multi-factor authentication. [14] Later, in June and July 2020, Volexity observed the attacker utilizing the SolarWinds Orion trojan; i.e. the attacker used Microsoft vulnerabilities (initially) and ...
"a small subset of Exchange components" None of the Microsoft repositories contained production credentials. [59] The repositories were secured in December, and those attacks ceased in January. [59] However, in March 2021 more than 20,000 US organizations were compromised through a back door that was installed via flaws in Exchange Server. [60]
www.microsoft.com /en-us /microsoft-365 /exchange /email. Microsoft Exchange Server is a mail server and calendaring server developed by Microsoft. It runs exclusively on Windows Server operating systems. The first version was called Exchange Server 4.0, to position it as the successor to the related Microsoft Mail 3.5.
February 8: Foxconn is hacked by a hacker group, "Swagg Security", releasing a massive amount of data including email and server logins, and even more alarming—bank account credentials of large companies like Apple and Microsoft. Swagg Security stages the attack just as a Foxconn protest ignites against terrible working conditions in southern ...
Kaseya VSA ransomware attack. On 2 July 2021, a number of managed service providers (MSPs) and their customers became victims of a ransomware attack perpetrated by the REvil group, [1] causing widespread downtime for over 1,000 companies. [2][3] The attack was carried out by exploiting a vulnerability in VSA (Virtual System Administrator), a ...
2021 FBI email hack. On November 13, 2021, a hacker named Conor Brian Fitzpatrick, going by his alias "Pompompurin", compromised the FBI 's external email system, sending thousands of messages warning of a cyberattack by cybersecurity CEO Vinny Troia who was falsely suggested to have been identified as part of The Dark Overlord hacking group by ...