chennai p venkat internet connection home prevent browsing net also chatting cousins laptop gets sign neighbour unprotected wifi network uses send receive chat eve download movies unless neigbour keeps cartroad access point never find isolated incident several people found find signals hotspots cafes hotels even residences driving laptop switched wardriving person moving around scouting free blob may yet become pop city several people peculiarly students young professionals young city prefer use free wifi hotspots browse net till obtain net connections city close free public hotspots cafes pizza joints hotels also airport central railway post soon get free hot spot week majority wifi hotspot either unprotected freely misused internet services supplier like bsnl tata indicom aggressively marketing hotspots number residences connectivity increased urban center hotspots signals often spill helping neighbour access signals browse net using laptop c raman work out company aforesaid used get point connection installed neighbour joining secured could browsed internet using sack connections mode users charged flat rate owner connection may detect somebody else using worse hotspots coffee bar restaurants inside big hotel accessed lounge outofdoor sign spill serious security risk anybody sits car parked outside cafe somebody sits hotel lounge located quite close free wifi enable restaurant browse net without detected malicious email sent traced ip address cafe restaurant solution prevent misuse spread awareness among multitude activate password protection hotspots says cyber law expert na vijayashankar simple function service supplier configure password time installation residents mind know conditional relation managers complimentary populace hotspots supply countersign users demand like airports afield aver wardriving process searching networks person moving vehicle using portable computer pda personal digital assistant blackberry iphone wardriver wardriver person indulges wardriving unscrupulous wardriver finds open network one password protected could use range villainous activities software wardriving freely available cyberspace even device unless caught number virtually impossible trace wardriver done moving bicycle motorcycle wardriving called warbiking wireless network accessed within radius point installation public net accessed free usually password protected insist imei imei code number handset thumbprint helps security representation keep track user number often cloned lesser known chinese cellphones handset issued chinese companies lots common imei number around phones imei number security agencies would find hard track actual criminal handset manufacturers bound install individual imei number set many chinese manufacturers sources say chinese cellphones features priced way competing products reputed brands clone imei numbers manage restrain toll low pay subscription authentic imei code hot spot city city several hotspots public places the like cafes hotels airport libraries college campus tech parks two hotspots airport domestic international terminals eatouts including coffee day coffee world pizza corner five hotels gautam manor house deccan plaza harrisons hotel royal regency hotel savera unity library british council library stay safe change default passwords access point insure access point placed securely eg centre billet etc understate signal strength away office monitor lizard usage access point monitor use internet link cognisant outgoing traffic instance corporates block public sites like bumpkin hotmail even access point compromised hacker may able use public systems