What is the difference between shodan.io and shadowserver.org ? Jean
Just those 2? Greynoise maps them all. See an old preso from 2018: https://www.slideshare.net/andrewwantsyou/identifying-and-correlating-internetwide-scan-traffic-to-newsworthy-security-events See slide 7 for a 4 year old list which has only grown :-)
-Hank
