Summary: coffee shop, airport, hoteletcpublicWiFialthoughconvenient, but existsinserioussecurehazard. according tosecuresurveys show, super60%publicWiFisaveinsecurevulnerability. this guideLearn about publicWiFivariousrisk, withandhow toeffectiveprotectionyouprivacyanddatasecure.
publicWiFisecurecurrent state
innumber characterschangehourgeneration, we increasinglydepend onWiFiConnect. go outinoutside, coffee shop, airport, hotelfreeWiFibecome essential. butand, these seeminglyconvenientpublicWiFimay beishackers"hunting ground". according tonetworksecurereports, super60%publicWiFihotspots presentinsecurevulnerability, 25%usersonceinUsagepublicWiFihoursuffer dataleak.
publicWiFimainrisk
ConnectpublicWiFihour, you mightsurfacetemporaryfollowingsecurerisk:
man-in-the-middle attacks (MITM)
hackersinyouandtarget websiteofbetweenestablishConnect, intercept and potentially modifyallcommunicationcontent, includingpassword, chatdaylogging, bank linesinformationetc
phishingWiFi (Evil Twin)
hackers createandlegitimateWiFisameorsimilar malicious hotspots, deceiveusersConnect. onceConnect, alldataallinhackersmonitorofbelow
packet sniffing
sameWiFinetworkinitsotheruserscanUsageprofessionaltoolscapture unencryptedencryptiondata packets, stealsensitiveinformation
malicioussoftware injection
hackersmayviaunsecure networktoyoudevicepushmalicioussoftwareorvirus
session hijacking
stealyouloginCookie, directlyimpersonate youaccesswebsite, no needknowpassword
SSLseparate
willHTTPSConnectdowngradeforHTTP, makeencryptionprotectioninvalid
high-risk locations
followingplaceWiFiriskespeciallyitsneedbe alert:
coffee shop/mealhall
opennetwork, portraitdatamostly, mosteasybeSet upphishingWiFi
airport/train station
crowded and rushed, userstotonot carefully distinguishWiFiauthenticity
hotel
seeminglysecure, butnetworkConfiguremaysaveinvulnerability
shoppingCenter
freeWiFimaycollectusersbrowsehabitandportraitinformation
meetingCenter
commercialbetweenspymayutilizeWiFistealcommercialconfidential
any"Free WiFi"
unknown sourcefreenetwork, ismost dangerous sign
real attack cases
thesenot alarmist, andisactually happenedscenarios:
coffee shopphishing
hackersinnear StarbucksSet upfor"Starbucks_WiFi_Free"hotspot, andtruly"Starbucks"WiFionlydiffer by characters. usersConnectafter, hackerscanwatchtoallnotencryptiondata, includingsocial medialogin, emailscontentetc
airportscam
2019yearcertain internationalairportlarge-scale occurrenceWiFiphishingincident, hundreds of travelersCredit Cardinformationbesteal, causemanythroughfinancial loss
hotelintrusion
highendhotelWiFibeintrusion, business travelers publicdivisionemails, contractfilesbesteal, useincommercialbetweenspyevent
meetingCenterattack
Technicalconferenceperiodbetween, hackersutilizepublicWiFiforattendeesperformman-in-the-middle attacks, stealmany companiesdivisionwithindivisiondata
how toprotectionown？
1 Usageencryptionnetworkservice (mosteffective)
thisisprotectionpublicWiFisecuremosteffectivemethods:
throughoutencryption
allnetworkdataallbestronglyencryption, immediatelymakehackersinterceptalsocannotread
tunnelprotection
youdatainencryptiontunnelintransfer, andpublicnetworkisolation
IPhide
hideyour realIPaddressandset, increaseanonymousperformance
DNSprotection
preventDNShijackingandpollutionattack
2 verificationWiFiauthenticity
tostaff verbalconfirmofficialWiFiexact name
notespellingdifferences: Starbucks vs Starbuck5, Airport_Free vs Airport-Free
warning signsespeciallystrong unknownWiFi (mayisrecentdistancesetupphishinghotspot)
try toavoidConnectcompletelyopen (worry-freepassword) network
3 notewebsitesecure
onlyaccessHTTPSwebsite (address barshowlockiconandhttps://)
absolutefordon'tinpublicWiFiaboveloginonline banking, Alipay, WeChat Pay
uninputpassword, ID number, Credit Cardinformationetcsensitivecontent
Usagebrowsedevice"privacymode"or"incognitomode"
4 devicesecureConfigure
CloseautomaticConnect
inSet upinClose"automaticConnectknownnetwork"features
Closesharefeatures
Closefilesshare, AirDrop, Bluetooth (unUsagehour)
enablefirewall
ensuredepartmenttraditional firewall alreadyenable
Updatedepartmentcollectively
maintainoperationdepartmentcollectivelyandsoftwareforLatestversion
Usageafterforgetnetwork
leaveafterinSet upin"forgetthisnetwork"