[fyp]

Use a profile picture that's already public and have been crawled a bajillion times. E.g. https://twitter.com/jbverschoor/photo

[pirocks]

Not op, but I make a point of not having my face in profile pictures.

[waihtis]

The next request is your government-issued ID :-)

[GordonS]

I'm not sure if you're joking, but I've seen some companies actually asking you to send a passport or driving licence copy.

[rendx]

Not a joke.