"You can’t just hire a couple security engineers to shoulder this burden. You wouldn’t hire anyone to just “go deal with that scale issue” you have either."
Most startups that talk to me do hire somebody to "go deal with that scale issue." When they talk to me in particular, it seems like they want to hire somebody to "go deal with that security issue," too.
https://medium.com/@magoo/starting-up-security-87839ab21bae