alt Hacker NewsIsn't that only true if "millions of businesses" choose to hang their PG port out on the Internet with "allow 0/0"? In the spirit of being constructive, https://www.shodan.io/search?query=postgresql shows 516,000 which is definitely not none but pretty far from millions and based on skimming the results pretty far from the businesses part, too
I would consider it a more useful lateral movement vector inside an existing org than anything else. Lots and lots of old postgress with weak acls inside networks.