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Microsoft Releases One-Click Mitigation for Exchange Flaw
Microsoft has published a new tool that installs a mitigation for the CVE-2021-26855 Exchange ProxyLogon flaw.
Number of Exchange Servers Vulnerable to ProxyLogon Declines
The number of Exchange servers vulnerable to the ProxyLogon flaws is continuing to drop, but there are still more than 60,000 online.
DearCry Ransomware Hitting Exchange Servers
Attackers are installing the DearCry ransomware on some vulnerable Exchange servers.
Microsoft Fixes IE 0-Day Used in Attacks on Researchers
Microsoft has patched a zero day in Internet Explorer and Edge that was used in attacks against security researchers.
Attacks on Exchange Servers Spread
Attacks on the Exchange server flaws disclosed last week are being exploited by multiple threat actors and targeting a wide range of companies.