ourcat Karma 739 Created 10 years ago About aka 'kosso'. Recent Submissions 1. ▲ Building a Custom 2G GSM Cellular Base Station [video] (youtube.com) 2 points · 2 months ago · 2 comments 2. ▲ GriftHorse Android Trojan Steals Millions from over 10M Victims Globally (blog.zimperium.com) 2 points · 4 years ago · 0 comments All submissions on HN · View profile on HN