Overthelastfewyears,systemsecurityhasgainedalotofmomentumandsoftwareprofessionalsarefocusingheavilyonit.Linuxisoftentreatedasahighlysecureoperatingsystem.However,therealityisthatLinuxhasitsshareofsecurity?aws,andthesesecurity?awsallowattackerstogetintoyoursystemandmodifyorevendestroyyourimportantdata.Butthere’snoneedtopanic,sincetherearevariousmechanismsbywhichthese?awscanberemoved,andthisbookwillhelpyoulearnaboutdifferenttypesofLinuxsecuritytocreateamoresecureLinuxsystem.Withastep-by-steprecipeapproach,thebookstartsbyintroducingyoutovariousthreatstoLinuxsystems.Then,thisbookwillwalkyouthroughcustomizingtheLinuxkernelandsecuringlocalfiles.Next,youwillmoveontomanaginguserauthenticationbothlocallyandremotelyandmitigatingnetworkattacks.Later,youwilllearnaboutapplicationsecurityandkernelvulnerabilities.YouwillalsolearnaboutpatchingBashvulnerability,packetfiltering,handlingincidents,andmonitoringsystemlogs.Finally,youwilllearnaboutauditingusingsystemservicesandperformingvulnerabilityscanningonLinux.Bytheendofthisbook,youwillbeabletosecureyourLinuxsystemsandcreatearobustenvironment.
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