Kerem Albayrak blackmailed Apple over iCloud, and got arrested.
He admitted guilt to the blackmail, in which he threatened to expose hundreds of millions of users, for the amount of 170.000 Dollar. He wanted his payment in Cryptocurrency and iTunes Giftcards.
Back in March 2017 Kerem Albayrak thought he was a smart kid, and tried to blackmail Apple when he got a hold of user information.
To show he was serious, he uploaded a video on Youtube showing that he could access iCloud and get into the information of users.
Kerem was 20 at the time, and an IT analist.