ill ance ▁ag encies ▁such ▁as ▁the ▁US ▁National ▁Security ▁Agency ▁may ▁still ▁choose ▁not ▁to ▁use ▁Touch ▁ID . ▁ ▁Ro ose ▁also ▁noted ▁that ▁finger print ▁technology ▁still ▁has ▁some ▁issues , ▁such ▁as ▁the ▁potential ▁to ▁be ▁hack ed , ▁or ▁of ▁the ▁device ' s ▁not ▁recogn izing ▁the ▁finger print ▁( for ▁example , ▁when ▁the ▁finger ▁has ▁been ▁injured ). ▁ ▁Ad rian ▁Kings ley - H ugh es , ▁writing ▁for ▁Z D Net , ▁said ▁Touch ▁ID ▁could ▁be ▁useful ▁in ▁bring ▁your ▁own ▁device ▁situations . ▁He ▁said ▁the ▁bi ometric ▁protection ▁adds ▁another ▁layer ▁of ▁security , ▁removing ▁the ▁ability ▁of ▁people ▁to ▁look ▁over ▁others ' ▁shoulders ▁and ▁read ▁their ▁pass code / password . ▁He ▁added ▁that ▁Touch ▁ID ▁would ▁prevent ▁children ▁from ▁ra ck ing ▁up ▁thousands ▁of ▁dollars ▁in ▁unw anted ▁purch ases ▁when ▁using ▁i Ph ones ▁owned ▁by ▁adult s . ▁He ▁observed ▁that ▁Touch ▁ID ▁was ▁Apple ' s ▁response ▁to ▁the ▁large ▁number ▁of ▁iPhone ▁cr imes , ▁and ▁that ▁the ▁new ▁feature ▁would ▁d eter ▁would - be ▁iPhone ▁th ieves . ▁ ▁Moreover , ▁he ▁notes ▁that ▁the ▁feature ▁is ▁one ▁of ▁the ▁few ▁that ▁distinguish ▁the ▁iPhone ▁ 5 S ▁from ▁the ▁ 5 C . ▁Ro ose ▁also ▁stated ▁the ▁feature ▁is ▁intended ▁to ▁d eter ▁the ft . ▁However , ▁Br ent ▁Kennedy , ▁a ▁vulner ability ▁anal yst ▁at ▁the ▁United ▁States ▁Computer ▁Emer gency ▁Read iness ▁Team ,