Microsoft is reportedly investigating whether the recent attacks against Microsoft Exchange servers could be linked to information leaked by a partner security firm. According to a report published by The Wall Street Journal, Microsoft is investigating whether the threat actors behind the recent wave of attacks on Microsoft Exchange servers worldwide may have obtained sensitive […]Read More Is there a link between Microsoft Exchange exploits and PoC code the company shared with partner security firms?
This week a security researcher published on GitHub a proof-of-concept tool to hack Microsoft Exchange servers chaining two of ProxyLogon flaws. On March 2nd, Microsoft has released emergency out-of-band security updates that address four zero-day issues (CVE-2021-26855, CVE-2021-26857, CVE-2021-26858, and CVE-2021-27065) in all supported Microsoft Exchange versions that are actively exploited in the wild. The IT giant […]
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