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