Maalmahan Wi-Fi bilaasha ah ayaa laga heli karaa meel walba^{(free Wi-Fi is available almost everywhere)} - makhaayadaha, Huteelada^(Hotels) , Xafiisyada -^{(Offices –)} iyo xitaa waddooyinka iyo goobaha guud ee dadweynaha. Yaa aan ku jirrabin isticmaalka WiFi bilaashka ah si uu u hubiyo boostada iyo wararka warbaahinta bulshada? Hagaag^(Well) , maanta, waxaan arki doonaa khatarta goobaha WiFi dadweynaha ee bilaashka ah, kuwaas oo intooda badan laga yaabo inaad hore u ogeyd.

Khatarta WiFi bilaashka ah

Sida loo jabsado Computers at Public WiFi Hotspots

Ma siinayo tallaabo-tallaabo habraaca jabsiga. Waligay iskuma dayin. Waxaad booqan kartaa Darknet si aad u hesho casharro ku saabsan mowduuca. Darknet waa qaybta aan tusmaysanayn ee internetka^(Internet) halkaas oo dambiyadu ku koraan.

Haddaba sidee tani u dhacdaa? Hacker - ku wuxuu dhex dhigayaa adiga iyo shabakadda WiFi wuxuuna dhexda ka qabtaa wax kasta oo aad dirto oo ay ku jiraan furayaasha sirta ah, macluumaadka kaadhka deynta ee iimaylka iyo xog kale. Wuxuu markaa si khaldan u isticmaali karaa macluumaadkan. Taas oo loogu magac daray Ninkii Weerarkii Dhexe^{(Man in the Middle Attack)} .

Laakiin qofku uma baahna inuu si dhab ah u galo Darknet oo uu raadiyo casharro ku saabsan sida loo jabsado. Waxaa jira barnaamijyo badan oo laga heli karo internetka^(Internet) caadiga ah , sidoo kale, si uu kaaga caawiyo inaad jabsato kombayutarada kuwa kale iyo aaladaha mobilada. Tusaale ahaan, waxaad soo dejisan kartaa software  u beddelaya laptop-kaaga WiFi Hotspot - haddii kombuyuutarku mar hore ku xiran yahay internetka^(Internet) . Haddii aad isticmaasho software-kaas meel fagaare ah, kuwa kale ee halkaas jooga ayaa ku khaldi doona kombiyuutarkaaga iyo meesha ay dadweynuhu ku badan yihiin oo ku xidhi doona adigoon fikir labaad siin. Hackers^(Hacker) - ku wuxuu markaa samayn karaa WiFi bilaash ahfarta oo rajayn in aad ku xidhidhaheeda – ama waxa uu xittaa ku qasbi karaa qalabkaaga in uu ku xidho. Kadib wuxuu xado dhammaan macluumaadka aad gudbiso.

Iyada oo la kaashanayo softiweerka noocaas ah, waxaad yeelan kartaa habayn aad ku dhex gasho kombuyuutarrada iyo tablet-yada kale ama xitaa taleefannada casriga ah ee ku xidhan kombayutarkaaga, adigoo u malaynaya inuu yahay WiFi -ga guud . Nasiib yar, waxaad sidoo kale heli kartaa software kaa caawin kara inaad la wareegto kombiyuutarada kale oo aad sameyso waxaad rabto halkii aad isticmaali lahayd waxa dhabta ah ee isticmaala.

Ujeedada qaybtan waa in lagu siiyo macluumaad ku saabsan sida ay u fududahay in la jabsado aaladaha Internetka^(Internet) ee dadka kale iyada oo la adeegsanayo software-ka kala duwan ee goobta dadweynaha. Waxa kale oo ay kuu sheegaysaa khataraha aad ku sugan tahay, marka aad joogto meel dadweyne ah oo aad doonayso in aad isticmaasho meelaha ay ku badan yihiin. Si kastaba ha ahaatee, kuma baranayso inaad jabsato kombayutarada dadka kale. Habka kaliya ee halkan ku hareeraysan waa inaad iska ilaaliso isticmaalka goobta dadweynaha oo aad qaadato dongle internet ama kaar adiga kuu gaar ah. ^(Internet)Weligaa ha isticmaalin hotspot-ka aan lahayn furaha sirta ah maadaama aysan ahayn goob dhab ah.

Akhri^(Read) : Ammaanka Wi-Fi marka aad safraysid .

Macluumaadkee ayaa lagu jabsan karaa Wifi- ga Dadweynaha^{(Public WiFi)}

Haddii qofku uu awoodo inuu galo kombiyuutarkaaga, asaga ama iyada waxay si fudud u eegi karaan waxaad samaynayso - iyagoo eegaya baakadaha soo galaya iyo kuwa ka baxaya kombiyuutarkaaga. Ayada ama isaga ayaa sidoo kale laga yaabaa inay galaan shaashaddaada si ay u arkaan waxa dhammaan daaqadaha u furan yihiin iyo waxa aad ka shaqaynayso. Qofka waxaa laga yaabaa inuu sidoo kale eego taariikhdaada wax raadinta oo uu arko waxaad eegtay, ilaa dhowr daqiiqo ka hor. Waxay kuxirantahay waqtiga aad joogto goobta caamka ah iyo sida bukaanku u yahay hacker-ka.

Hackers-ku waxa kale oo laga yaabaa inuu gacanta ku dhigo kombayutarka oo uu kuu jiheeyo mareegaha kale ee aan ahayn kuwa aad rabto inaad gasho. Mararka qaarkood, waxa laga yaabaa inay u ekaato shabakada aad rabto inaad booqato oo laga yaabo inay xaddo erayga sirta ah iyo aqoonsiga loo baahan yahay si aad u gasho - sida phishing u shaqeyso. Ku dhuuqista baakadaha baxaya iyo kuwa soo galaya ee shabakada la jabsaday sidoo kale, waxay u oggolaanaysaa dambiilaha inuu ogaado mareegaha aad isticmaalayso iyo aqoonsiga gelitaanka boggaga.

Ka sokow, laga yaabaa in jabsiga yaqaan nidaamkaaga hawlgalka, habaynta kombiyuutarka, browsers aad isticmaalaysay, iyo macluumaad kale oo la mid ah. Marka la soo koobo, dembiilaha maskaxda ku haya waxa laga yaabaa inay galaan dhammaan xogta ku jirta kombayutarkaaga sidii isaga ama iyadu ay isticmaalayaan kombayutarkaaga adigoo fasax kaa haysta.

Haddaba, maxaad samaynaysaa si aad uga fogaato dhacdooyinkan oo kale?^{(So, what do you do to avoid such instances?)}

Ka fogow^(Avoid) isticmaalka goobaha dadweynaha inta aad awooddo. Weligaa ha u tegin wax kala beddelasho maaliyadeed meelaha dadku ku badan yahay.

• Adeegso freeware VPN^{(VPN freeware)} oo guud ahaan qaado tillaabooyin aasaasi ah oo  aad naftaada ku nabadgeliso goobaha WiFi ee dadweynaha ^{(secure yourself at public WiFi hotspots)}.
• Hirgeli xaqiijinta laba-factor meel kasta oo ay suurtagal tahay.
• Kaliya booqo shabakadaha leh sirta HTTPS markaad u baahato inaad gasho.
• Demi habka isku xidhka Wi-Fi-ga^(Wi-Fi) tooska ah ee taleefankaaga.

Baro sida loo hagaajiyo dayacanka Shabakadda Wi-Fi ee Dadweynaha iyo Guriga . Dhinaca kale, ma rabto inaad akhrido qoraalkan ku yaal  WiFi badbaado u yahay caafimaadkaaga, carruurtaada, iyo gurigaaga^{(Is WiFi safe for your health, children, and at home)} ?

Dangers of free public WiFi hotspots

Nowadays free Wi-Fi is available almost everywhere – in Cafe’s, Hotels, Offices – and even in the streets and general public places. Who does not get tempted to use free WiFi to check their mail and social media updates? Well, today, we will see the dangers of free public WiFi hotspots, most of which you probably already know.

Dangers of free WiFi

How to hack Computers at Public WiFi Hotspots

I am not giving a step by step procedure to hacking. I never tried it. You can visit the Darknet for tutorials on the topic. Darknet is the non-indexed part of the Internet where crime thrives.

So how does this happen? The Hacker places himself between you and the WiFi network and intercepts everything you send including the passwords, emails credit card information and other data. He can then misuse this information. This called as the Man in the Middle Attack.

But one need not really get to the Darknet and search for tutorials on how to hack. There are plenty of software available on the regular Internet, as well, to help you hack others’ computers and mobile devices. For example, you can download software that converts your laptop into a WiFi Hotspot – if your computer is already connected to the Internet. If you use that software at a public place, others there will confuse your computer with the public hotspot and will connect to it without giving it a second thought. The Hacker could thus set up a free WiFi point and hope you connect to it – or he can even force your device to connect to it. He then steals all the information that you transmit.

With the help of such software, you can have a setup to peep into others computers and tablets or even smartphones connected to your computer, assuming it to be a public WiFi. With a little luck, you can also find out software that might help you take over others computers and do what you want instead of what the actual user wants.

The aim of this section is to provide you with information on how easy it could be to hack others’ Internet devices using the different software at a public place. It also tells you what risks you are at, when at a public place and willing to use their hotspots. It does not teach you, however, to hack others’ computers. The only way around here is to avoid using the public hotspot and carry an Internet dongle or card of your own. And never to use a hotspot that does not have a password as it may not be a real hotspot.

Read: Wi-Fi security when Traveling.

What information can be Hacked at Public WiFi

If a person manages to access your computer, he or she can easily check out what you are doing – by checking out the packets incoming and outgoing from your computer. She or he may also access your screen to see what all windows are open and what are you working at. The person may also check into your browsing history and see what you were looking at, until a few minutes ago. It depends on the time you are at the public place and how the patient is the hacker.

The hacker may also take control of your computer and redirect you to other websites rather than the ones you wish to access. Sometimes, it may be lookalikes of the website you wish to visit and may steal the password and ID required to log in – just as phishing works. Sniffing the outgoing and incoming packets on the hacked network too, allows the criminal to figure out websites you are using and the login credentials for the sites.

Besides, the hacker may know your operating system, computer configuration, browsers you have been using, and other similar information. In short, the criminal-minded may access all the data on your computer as if he or she were using your computer with your permission.

So, what do you do to avoid such instances?

Avoid using public hotspots as much as you can. Never go for financial transactions on public hotspots.

• Use a VPN freeware and generally take some basic steps to secure yourself at public WiFi hotspots.
• Implement two-factor authentication wherever possible.
• Only visit websites with HTTPS encryption when you need to log in.
• Disable the automatic Wi-Fi connectivity feature on your phone.

Learn how to fix Public and Home Wi-Fi Network vulnerabilities. On a related note, want to read this post on Is WiFi safe for your health, children, and at home?

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