It comes following the largest Distributed Denial of Service (DDoS) attack ever recorded last November by a botnet - or hacking group - known as Kimwolf Irish households that possess a "dodgy box" or other unregulated streaming devices that they are vulnerable to cyber attacks increasingly nefarious in nature, Grant Thornton has warned. The professional services firm has said that everyday home technology from Android streaming boxes to TV streaming devices are susceptible to being compromised by sophisticated, large-scale hacking efforts by cyber criminals.