Read the original article: BitSight Observations Into the HAFNIUM Attacks: Part One
On March 2, Microsoft announced that it has detected multiple zero-day exploits being used to attack on-premises versions of Microsoft Exchange Server. According to Microsoft, in the attacks observed, cybersecurity threat actors used this vulnerability to access on-premises Exchange servers, which enabled access to email accounts, and installed additional malware to facilitate long-term access to victim environments.
Read the original article: BitSight Observations Into the HAFNIUM Attacks: Part One