Modern Information Security

Cmptr scrty (ls cybrscrty, dgtl scrty, r nfrmtn tchnlgy (T) scrty) s th prtctn f cmptr sftwr, systms nd ntwrks frm thrts tht cn ld t nthrzd nfrmtn dsclsr, thft r dmg t hrdwr, sftwr, r dt, s wll s frm th dsrptn r msdrctn f th srvcs thy prvd. Th sgnfcnc f th fld stms frm th xpndd rlnc n cmptr systms, th ntrnt, nd wrlss ntwrk stndrds. ts mprtnc s frthr mplfd by th grwth f smrt dvcs, ncldng smrtphns, tlvsns, nd th vrs dvcs tht cnsttt th ntrnt f thngs (T). Cybrscrty hs mrgd s n f th mst sgnfcnt nw chllngs fcng th cntmprry wrld, d t bth th cmplxty f nfrmtn systms nd th scts thy spprt. Scrty s prtclrly crcl fr systms tht gvrn lrg-scl systms wth fr-rchng physcl ffcts, sch s pwr dstrbtn, lctns, nd fnnc. lthgh mny spcts f cmptr scrty nvlv dgtl scrty, sch s lctrnc psswrds nd ncryptn, physcl scrty msrs sch s mtl lcks r stll sd t prvnt nthrzd tmprng. T scrty s nt prfct sbst f nfrmtn scrty, thrfr ds nt cmpltly lgn nt th scrty cnvrgnc schm.