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Following CISA's weekend updates on continuing Exchange server hacks, Microsoft is investigating the significant uptick in exploits just days before patches were released.
Gurucul CEO Saryu Nayyar told Breaking Defense, "A threat like this really is one of those rare 'Stop what you are doing and fix this now!' events."
Microsoft Exchange hack, larger than originally believed, prompts emergency task force SHARE A campaign by Chinese hackers that targeted Microsoft Corp.’s Exchange Server, an attack Microsoft warned about earlier this month, is larger than originally believed and has prompted the establishment of an emergency task force. The vulnerabilities are being exploited by a group dubbed Hafnium, which is described as being “highly skilled and sophisticated.” The group apparently was attempting to steal information from U.S. targets, including universities, defense con...
The hack – believed to have initially targeted U.S. think tanks – eventually compromised hundreds of thousands of businesses and organizations.
Security professionals are increasingly observing multiple threat actors, from nation-states to cryptominers, exploiting the vulnerabilities. As for China-based HAFNIUM, "This is part of the much larger Chinese effort to constantly be ferreting out new vulnerabilities and then exploiting them -- with no end in sight," said Heritage's Dean Cheng. "The Chinese will pay close attention to the Biden administration response." By Brad D. Williams on March 09, 2021 at 1:34 PM