- unauthorised access to computer material, punishable by 6 months' imprisonment or a fine "not exceeding level 5 on the standard scale" (currently £5000);
- unauthorised access with intent to commit or facilitate commission of further offences, punishable by 6 months/maximum fine on summary conviction or 5 years/fine on indictment;
- unauthorised modification of computer material, subject to the same sentences as section 2 offences.
If he had been contracted to pen-test the website by Apple then it would be a different matter.