The statement recalled that the international hacking group on April 18 attacked the website of the federation and opened to public the list of subscribers, adding this is obviously a criminal act.

What merits a serious attention is that the recent hacking was committed at the instigation of the south Korean puppet government, it noted.

No sooner had the list of subscribers been opened to public than the puppet intelligence organ kicked up a racket to crack down on "forces following the north", the one for suppressing pro-reunification patriots of south Korea, and slandering the federation, it said.

We cannot pardon the south Korean conservative forces' shameless use of the legitimate and official internet activities for the racket to suppress "forces following the north", it warned.

It urged the south Korean authorities to make an apology and reparation for their illegal crime.

It stressed that the federation will force the south Korean "government" to pay due price for its crime.