Microsoft Exchange Server Flaw Exploited By At Least 10 Hacking Groups
Mass-Hack Spiraling Out of Control A critical vulnerability in Microsoft software has turned into a nightmare for organizations around the world. The flaw allows attackers to remotely access organizations’ reachable email Exchange servers, without any valid account credentials. If successfully exploited, the vulnerability would allow an unauthenticated attacker to write files, for example. They would also be able to execute code on the underlying Microsoft Windows operating system. Researchers at cybersecurity company ESET, who have been monitoring the incident closely, said they have detected webshells for these exploits on more than 5,000 email servers....