Chris Vallance & Liv McMahonTechnology reportersPornhub and a number of other major adult websites have confirmed they will introduce enhanced age checks for users from next month.Parent company Aylo says it is bringing in "government approved age assurance methods" but has not yet revealed how it will require users to prove they are over 18.Regulator Ofcom has previously said simply clicking a button, which is all the adult site currently requires, is not enough.Ofcom said the changes would "b...