[Openid-specs-fapi] Issue #717: Missing security considerations for attacker model (openid/fapi)

[dgtonge]

New issue 717: Missing security considerations for attacker model
https://bitbucket.org/openid/fapi/issues/717/missing-security-considerations-for

Dave Tonge:

There needs to be something - caught in the document review.

Responsible: Dave Tonge