纯英文班论文.docx

Computer networksecuritya ndtoguardaga inst Abstract:Whe nman ki nden teredthe21stce nturyi nformatio nsociety,the networks。 cietyofthetime,Chi nawillestablishacompletesetofnetworksecuritysystem,especi allyfromthepolicya ndlawtoestablishChi nasow ncharacteristics, networksecurity system. Keywords:computer; network;security;preve nt In the in formati on age,i nformati oncan helpgroupsori ndividualssothattheybe nefitfr om,thesame in formati oncan alsobeusedtoposeathreattothem,causeddamage.T herefore networksecurity,i ncludi ngthecompositio no fnetworkhardware,software andn etworktra nsmissi onofin formatio nsecurity,sothattheyd ono tbecauseofaccid en talormaliciousdestructio no ftheattacks, networksecurityn oton lythetech nicalas pects,butalsoma nageme ntissues,bothcompleme nteachother,arei ndispe nsable First,theco nceptofcomputernetworksecurity In ternatio nalOrga nizatio nforSta ndardizatio no fcomputersecurityisdefi nedas: Toestablishadataprocessi ngsystema ndtheadoptio no ftech nologya ndma nagem en tofsecurityprotectio n,theprotectio no fcomputerhardware,software,datais notd uetoaccide ntala ndmaliciousdestructio no freas on s,cha ngea ndleakage.Theabo vedefi nitio no fcomputersecurityi ncludesphysicalsecuritya ndlogicalsecurityofbot hthec onten tsofthec onten tsofthelogicofsecuritycouldbe un derstoodasweofte nsa ythatthei nformatio nsecurity,i nformatio nreferstothecon fide ntiality,i ntegritya ndav ailabilityofprotectio n,andn etworksecurityl nformatio nsecurityisthemea nin gofthe eGte nsio n, that networksecurityisa networkofi nformatio neon fide ntiality,i ntegritya n davailabilityprotecti on. Computern etworksecurityasthespecificmea nin goftheu sercha nges,theuserisdiffere nton the networksecurityaware nessa ndrequireme nt swillbediffere nt.Fromtheordi naryuserspoi ntofview,could on lyhopethatpers onal privacyorc on fide ntiali nformatio ntran smissio non the networkbeprotectedagai nst eavesdropp in g,tamperi ngan dforgery;a ndn etworkprovideri nadditi on t