Granted, #USB's #Security is basically "nonexistant", with only #Thunderbolt & #USB4 being more insecure by design ...

- But that's because the #developers of USB didn't have #BadUSB - devices and -attacks in scope of their development when it came to merely replacing #RS232, #IEEE1284, #PS2 and #Gameport as well as #SCSI with sth. cheaper & faster.

https://www.youtube.com/watch?v=4mi0kLLLAOs
https://en.wikipedia.org/wiki/BadUSB
https://en.wikipedia.org/wiki/Juice_jacking#Mitigation_by_hardware
https://en.wikipedia.org/wiki/Thunderbolt_(interface)#Security_vulnerabilities
https://en.wikipedia.org/wiki/USB4#Thunderbolt_compatibility