Authorities have executed a court-authorized operation to copy and remove malicious web shells from hundreds of vulnerable on-premises versions of Microsoft Exchange Server software in the United States. Through January and February 2021, certain hacking groups exploited zero-day vulnerabilities in Microsoft Exchange Server software to access email accounts and place web shells for continued access. […]
Posts Tagged ‘microsoft exchange’
Microsoft has released Exchange On-Premises Mitigation Tool (EOMT), which quickly performs the initial steps for mitigating the ProxyLogon flaw (CVE-2021-26855) on any Exchange server and attempts to remediate found compromises. “This tool is not a replacement for the Exchange security update but is the fastest and easiest way to mitigate the highest risks to internet-connected, […]
Microsoft today released patches for 129 CVEs (common vulnerabilities and exposures) as part of its monthly Patch Tuesday rollout. This marks seven consecutive months of 110+ bugs fixed and brings the yearly total close to 1,000. September’s Patch Tuesday addressed vulnerabilities in Microsoft Windows, the Edge browser, ChakraCore, Internet Explorer, SQL Server, Office and Office […]
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