Regarding this hacking incident, police have the raid on the 19 years old IT guy in the southern city of Heilbronn. The teenager, Jan Schuerlein, said on Twitter he was being treated as a witness in the investigation and was cooperating with the police.
Later on Sunday, German police have arrested a 20-year-old man in connection with this biggest hack incident.
Police searched the apartment of the suspect, located in the central state of Hesse, and arrested him.
Spiegel, a German Online media reported on its website that the 20-year-old had confessed.
The investigators came to track the young man through testimonies and "digital traces", which he had apparently left on the Internet - Spiegel wroteAn investigator as saying the suspect had not been aware of the scale of the effect of his actions, and so far nothing pointed to any link to foreign security agencies. The man had already destroyed his computer before police reached his home.