Securing Network Connections - Mercu Buana .Network Securing Wireless Network ... Securing Network

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    Securing Network Connections

    Simplifying Security.

    Module 7

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    PlayStation Network Security Breach Will Cost Sony Over $170 Million

    ThehackerorhackersthatbroughtdownSonysvideogameandentertainmentserviceshascostthecompanymorethanjustcustomersatisfaction.AccordingtoSonysofficialearningsforecast,theshutdownofPlayStationNetworkandQriocity willcostthegamemakerapproximately$170million.Theattack,whichoccurredonApril20,resultedinthelossofcrucialcustomerinformationfrommillionsofSonygamersandentertainmentcustomers.Sonyhasinvestedheavilyinstrengtheningitsnetworksbeforerecentlyreopeningtheservice.Inaddition,thecompanyisofferingfreedatasecurityforitscurrentcustomersandofferingfreegamesandotherrewardsforthosewhoremainedthroughtheoutage.Wevebeenfortifyingoursystemsecurity,saidShuhei Yoshida,president,worldwidestudios,SonyComputerEntertainmentlastweek.ThepastthreeweekshavebeenthelongestinmylifeforPlayStation.Weappreciatethesupportandpatienceourcustomershaveshown.Wereinthefinalphaseofrestorationsandourtargetdatetogeteverythingupisbytheendofthismonth.Asecureonlineenvironmentisournumberonepriority. http://www.gamerlive.tv

    May23,20119:45AMPST

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    Module ObjectivesHomeNetwork

    StepsforHomeNetworking

    WirelessNetworks

    SettingUpaWirelessNetwork

    CommonThreatstoWirelessNetwork

    SecuringWirelessNetwork

    UsingtheNetworkwithWindows7

    UsingtheNetworkwithMACOSX

    NetworkSecurityThreats

    SecuringNetworkConnections

    GeneralSecurityPracticesinHomeNetworking

    NetworkAdapters

    TroubleshootingwithNetworkAdapters

    NetworkSecurityChecklist

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    HomeandWirelessNetworks

    WirelessNetworkSecurity

    UsingtheNetworkwithWindows7

    UsingtheNetworkwithMACOSX

    SecuringNetwork

    Connections

    NetworkAdapters

    TroubleshootingwithNetworkAdapters

    Module Flow

    SettingUpaWirelessNetwork

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    Home Network

    DSL/CableModem

    GamingDevice

    RouterPrinter

    PersonalComputer

    Internet

    Laptop

    Ahomenetworkallowsthecomputerstocommunicate withoneanother

    Iftheuserhastwo ormorecomputers athome,anetworkcanletthemshare:

    Filesanddocuments

    AnInternetconnection

    Printersandscanners

    Stereos,TVs,andgamesystems

    DVD/CDburners

    SimpleHomeNetwork

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    Network Devices

    CableUsedtoconnectonenetwork

    devicetoother

    GatewayAnydevicethatconnects

    differentnetworkenvironments

    TransceiverNetworkdevicethathasboth

    transmitterandreceiver

    AccessPointWirelesscommunicationshardware

    thatcreatesacentralpointofwirelessconnectivity

    TerminalsHardwaredevicesusedtoenterdatainto

    acomputerortodisplaydatafromthecomputer

    RouterDevicesthatcanconnectseveralnetworkdevices

    ModemsUsedtochangedigitaldataintoanalogtobetransmittedacrossananalognetworkmediumandthenbacktodigitalatthereceivingend

    Networkadapter/interfacecardUsedtophysicallyconnectacomputer

    toanetwork

    Hub/SwitchUsedtoconnectallsegmentsofanetwork

    ConverterUsedtoconnectseveraltypesofcableswithinanexistingnetwork

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    Steps for Home Networking

    Notedownallthecomputersandhardware Purchasetherequiredhardware

    Checkfornetworkinterfacecardoneachcomputer;ifnotavailable,fixthem

    Ensurethatcomputersandallothernetworkdevicesareconnectedusingcables

    SelectonecomputerashostandconnectittotheInternet

    Connecttherestofthecomputerstothehostusingswitch/router

    Installnetworkadaptersthroughanetworksetupwizardonallthecomputers

    RestartallthecomputersandstartsharingthefilesandaccessingtheInternet

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    Wireless Networks

    DSL/CableModem

    EthernetCable

    Internet

    WiFiNetwork

    Wirelessnetworksareusedtoconnectthecomputerstoeachotherwithoutanycables

    Theyhavebecomepopularduetoeaseofinstallation andtheincreasingpopularityoflaptops

    Restaurants,hotels,businesscenters,apartmentcomplexes,andindividualsoftenprovidewirelessaccesswithlittleornoprotection

    ServiceSetIdentifier(SSID)isthenameofthenetwork

    AlldevicesonthewirelessnetworkmustusethesameSSIDtocommunicatewitheachother

    WiFi Router

    LaptopwithExternalWiFiCard

    LaptopwithInternalWiFiCard

    DesktopPCwithEthernetAdapter

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    HomeandWirelessNetworks

    SettingUpaWirelessNetwork

    WirelessNetworkSecurity

    UsingtheNetworkwithWindows7

    UsingtheNetworkwithMACOSX

    SecuringNetwork

    Connections

    NetworkAdapters

    TroubleshootingwithNetworkAdapters

    Module Flow

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    Setting Up a Wireless Network in Windows 7

    TosetupawirelessnetworkinWindows7,youshouldhaveWirelessRouter,WirelessAdapter,andanInternetconnection

    IntheStart searchbox,typeNetwork andselectNetworkandSharingCenter

    ClickSetupanewconnection ornetwork

    ClickSetupanewnetwork andclickNext

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    Changing Wireless Networking Configuration in Windows 7

    SelectManageWirelessNetworkfromNetworkandSharingCenter

    ClickAdd ifyouareaskedHowdoyouwanttoaddaNetwork?SelectManuallycreateanetworkprofile

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    CompletethefollowinginformationforthewirelessnetworkyouwanttoaddChecktheoptionsStartthisconnectionautomatically and Connectevenifthenetworkisnotbroadcasting ClickNextSelectChangeconnectionsettingsUnchecktheoptionConnecttoamorepreferrednetworkifavailablein ConnectiontabSelecttheSecuritytab,nexttoMicrosoftProtectedEAP (PEAP) ClickSettings

    Changing Wireless Networking Configuration in Windows 7

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    ProtectedEAPProperties popsup checktheoptiontoValidateservercertificate

    In TrustedRootCertificationAuthorities: checkClass3PublicPrimaryCertificationAuthority

    In SelectAuthenticationMethod:, selectSecuredPassword(EPAMSCHAPv2) ClickConfigure button

    UncheckAutomaticallyusemyWindowslogonnamepassword (anddomainifany) Click OK todismisseachoftheopenwindows

    Aballoonwillappearnearthesystemtraythatreads,Additionalinformationisrequiredtoconnecttonamewhichyouhaveprovided ClickBalloon

    EnteryourNETID andpassword,aftervalidating,anotherballoonappearsatsystemtrayas Additionalinformationisrequiredtoconnect

    Clicktheballoon ClickOK toagreeandvalidatetheServerCertificate

    Afterafewminutesyouwillconnectedtoyourwirelessnetwork

    Changing Wireless Networking Configuration in Windows 7

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    Setting Up a Wireless Network inMac

    ClickNetworkPane insystempreferencesandchooseAirPort entry

    EnabletheShowAirPortStatusinMenuBar checkbox

    Closethesystempreferences

    ClicktheAirPort statusiconinthemenubar

    Clickcreatenetwork,enteranameforyournetwork

    Marktherequiredpassword checkbox

    Enterapassword foryournetworkandthenenteritagaintoconfirmit

    Click OK

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    Changing Wireless Networking Configuration in MacGototheupperrightAirport iconSelecttheUConnect optionfromthedropdownmenuEnterUserName andPassword fields,selectAutomatic for802.1x,andCheckRememberthisNetwork click OKAcceptthecertificateverificationbyclickingonContinueNote:YoushouldconnecttoUConnectshortly.Ifthisdoesnothappen,checkyourprofile.GotoSystemPreferences andclickNetworkVerifythatyouareconnectedSelectAirport totheleft andclickAdvancedClickonthe802.1X tabandselecttheWPA:UConnectprofileVerifythat PEAP istheonlyProtocol checked.SelecttheConfigureTrust buttonSelecttheServers tabClickonthe"+.SelectoneoftheavailableserverandclickOKHitOK twiceand clickApply

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    HomeandWirelessNetworks

    SettingUpaWirelessNetwork

    WirelessNetworkSecurity

    UsingtheNetworkwithWindows7

    UsingtheNetworkwithMACOSX

    SecuringNetwork

    Connections

    NetworkAdapters

    TroubleshootingwithNetworkAdapters

    Module Flow

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    Common Threats to Wireless Network Eavesdropping

    AttackerscanuseavarietyoftoolstofindwirelessaccesspointswheretheycanpickupanSSIDbroadcast

    DatainterceptionandmodificationAttackerswhogainaccesstoanetworkcaninsertaroguecomputertointercept,modify,andrelaycommunicationsbetweentwolegitimateparties

    DenialofserviceAttackerscanshutdownaccesspointsbyjammingairwithnoise,reroutingconnectionstodeadends,ordisconnectingvalidclients

    SpoofingEveniftheuserdisablesbroadcastingorturnsonMediaAccessControl(MAC)filteringonthewirelessaccesspoint,attackerscanuseantennastocaptureuserssignal,determineSSIDorvalidMACaddress,andthenuseittoimpersonateanauthorizedclient

    FreeloadingAnattackercanusethenetworkasafreeaccesspointtotheInternet

    RogueWLANsAttackersca