FireEye has discovered a new strain of POS malware dubbed Multigrain that steals card data from point-of-sale systems and exfiltrates it over DNS. Security experts at FireEye have spotted a new strain of the NewPosThings PoS malware, dubbed Multigrain, that steals payment card data from point-of-sale (PoS) systems and exfiltrate it via DNS to avoid detection. The technique is […]