Analyzing attacks using the Exchange vulnerabilities CVE-2022-41040 and CVE-2022-41082.
October 1, 2022 update – Added information about Exploit:Script/ExchgProxyRequest.A, Microsoft Defender AV’s robust detection for exploit behavior related to this threat. We also removed a section on MFA as a mitigation, which was included in a prior version of this blog as standard guidance. Microsoft is aware of limited targeted Read more