> Are there not "ML techniques" for visual captchas too? There are. > how long do you think that is going to last? I don't know. So far it hasn't been diffic

> Are there not "ML techniques" for visual captchas too? There are. > how long do you think that is going to last? I don't know. So far it hasn't been difficult to recognize the garbage traffic when we take the time to look. And attackers always make it easier by releasing github source and / or announcing their results on Twitter.