How to Deal with HAFNIUM-Like Internet Emergencies

In 2021, four critical Microsoft Exchange vulnerabilities were made public that were almost immediately being exploited by the HAFNIUM (Vaporous Taurus) threat group. When internet emergencies such as this happen, it becomes critical to immediately:

Further, this needs to be a continuous process for the rest of your life, because the median monthly percentage of infrastructure change for Cortex Xp...