Earlier quoted context omitted.
Have ransomware attacks increased in that time? Isn't the increase in attack surfaces for ransomware actors an indication of decline in software quality? Software has become incredibly complex and interdepended.
I was trying to come up with a metric and threw that out because there is also more effort in creating ransomware and software ubiquity now. Thought about CVE counts, but that has methodological problems too.
It would be nice if apps were developed as software for satellites: updating satellite software in flight is expensive, so constant updating isn't an option.