WebMar 6, 2024 · Chinese hackers use 4 zero-day exploits on Microsoft Exchange servers by Founder CEO of Paubox. Yesterday as I settled down to a honeymoon dinner on the Kohala coast with my wife, I saw a notification on my iPhone: “China-Linked Hack Hits Tens of Thousands of U.S. Microsoft Customers.” With early reports of 250,000 or more U.S. … HAFNIUM primarily targets entities in the United States across a number of industry sectors, including infectious disease researchers, law firms, higher education institutions, defense contractors, policy think tanks, and NGOs. HAFNIUM has previously compromised victims by exploiting vulnerabilities in … See more Microsoft is providing the following details to help our customers understand the techniques used by HAFNIUM to exploit these vulnerabilities … See more After exploiting these vulnerabilities to gain initial access, HAFNIUM operators deployed web shells on the compromised server. Web shells … See more Microsoft is releasing a feed of observed indicators of compromise (IOCs) in related attacks. This feed is available in both CSV and … See more The below sections provide indicators of compromise (IOCs), detection guidance, and advanced hunting queries to help customers investigate this activity using Exchange server logs, Azure Sentinel, Microsoft Defender … See more
What Exchange Server ‘HAFNIUM’ attacks mean to you
WebMar 8, 2024 · Exchange Server is the mailbox technology used by many, many companies around the world. Most public and private organizations use Exchange Server in some … WebMar 19, 2024 · On March 11, Practical 365 hosted a panel discussion with several Exchange and security experts . I was asked to boil down the intense, hour-long session … pringle park east hope idaho
Serious Security: Webshells explained in the aftermath …
WebJul 19, 2024 · It began in January when hackers from a Chinese-linked group known as Hafnium began exploiting a vulnerability in Microsoft Exchange. They used the vulnerability to insert backdoors into systems ... WebMar 24, 2024 · HAFNIUM Exchange server hack: Why patching isn't enough and where to start hunting. Microsoft wants you to know that patching the four critical security flaws in Microsoft Exchange Server listed in CVE-2024-26855, CVE-2024-26857, CVE-2024-26858, CVE-2024-27065 does not remediate existing compromised systems. Organizations … WebMar 2, 2024 · The software maker said hackers working on behalf of the Chinese government have been using the previously unknown exploits to hack on-premises Exchange Server software that is fully patched. pringle outlet hawick