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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 ...
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 ...
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 ...
On 18 March 2021, an REvil affiliate claimed on their data leak site that they had downloaded data from multinational hardware and electronics corporation Acer, as well as installing ransomware, which has been linked to the 2021 Microsoft Exchange Server data breach by cybersecurity firm Advanced Intel, which found first signs of Acer servers ...
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 ...
APT40, also known as BRONZE MOHAWK (by Secureworks), [1] FEVERDREAM, G0065, GADOLINIUM (formerly by Microsoft), [2] Gingham Typhoon [3] (by Microsoft), GreenCrash, Hellsing (by Kaspersky), [4] Kryptonite Panda (by Crowdstrike), Leviathan (by Proofpoint), [5] MUDCARP, Periscope, Temp.Periscope, and Temp.Jumper, is an advanced persistent threat operated by the Hainan State Security Department, a ...
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.
2021 Microsoft Exchange cyberattack was the older article and WP:REDUNDANTFORK states that the " the more recent article " is the one that should be merged. The word cyberattack is better than data breach as it is more general. There have been a variety of payloads and consequences, not just the copying of data.