Spam has reduced ten fold from 300 billion instances last summer to 30 billion instances currently, according to Cisco's latest threat report. There have been a number of factors influencing this reduction...
The malware is being deployed in real-world attacks by hackers working for Russian military intelligence unit, they state
The vulnerabilities have now been patched by Microsoft
Citrix has addressed five vulnerabilities in its CEM solution
Seventeen bugs are rated as "critical" meaning they can be easily exploited by hackers to gain full control of a vulnerable machine
Smaug RaaS makes it easy for threat actors to use ransomware to achieve their objectives