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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 ...
[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 ...
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 ...
EternalBlue[5] is a computer exploit software developed by the U.S. National Security Agency (NSA). [6] It is based on a vulnerability in Microsoft Windows that allowed users to gain access to any number of computers connected to a network. The NSA knew about this vulnerability but did not disclose it to Microsoft for several years, since they ...
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.
Volexity, a cybersecurity firm, has reconstructed the attack sequence on an unnamed US think tank: first, the attacker exploited a remote code execution vulnerability in an on-premise Microsoft Exchange server; [54] after that vulnerability was remedied, the attacker exploited security holes in the SolarWinds Orion platform, which were exposed ...
Affected software. Windows 10 version 1903 and 1909, and Server Core installations of Windows Server, versions 1903 and 1909 [5] SMBGhost (or SMBleedingGhost or CoronaBlue) is a type of security vulnerability, with wormlike features, that affects Windows 10 computers and was first reported publicly on 10 March 2020. [1][2][3][5][6][7][8][9]
WannaCry ransomware attack. The WannaCry ransomware attack was a worldwide cyberattack in May 2017 by the WannaCry ransomware cryptoworm, which targeted computers running the Microsoft Windows operating system by encrypting data and demanding ransom payments in the Bitcoin cryptocurrency. [4] It was propagated by using EternalBlue, an exploit ...