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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 ...
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]
The hacked server belonged to the United Nations Department of Economic and Social Affairs. May: Anonymous declared a large hack on May 28, three days after the murder of George Floyd. An individual claiming to represent Anonymous stated that "We are Legion. We do not forgive. We do not forget. Expect us." in a now-deleted video.
Experts are still unsure of the hackers' motivations, and whether the incident may have been a "test run" for a larger attack.
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 ...
Microsoft Exchange Server. In February 2021 Microsoft determined that the attackers had downloaded a few files "(subsets of service, security, identity)" apiece from "a small subset of Azure components" "a small subset of Intune components" "a small subset of Exchange components" None of the Microsoft repositories contained production credentials.
Emotet. Emotet is a malware strain and a cybercrime operation believed to be based in Ukraine. [1] The malware, also known as Heodo, was first detected in 2014 and deemed one of the most prevalent threats of the decade. [2] [3] [4] In 2021, the servers used for Emotet were disrupted through global police action in Germany and Ukraine and ...
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 ...
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