Security experts warn Wi - Fi users to be more vigilant against hackers . Experts say it 's difficult to distinguish between legitimate and rogue networks . Wi - Fi Alliance says spread of Wi - Fi has n't led to an ' epidemic ' of hacking . Users , to protect their privacy , use VPN for sensitive data .
Security experts warn Wi-Fi users to be more vigilant against hackers . Experts say it 's difficult to distinguish between legitimate and rogue networks . Wi-Fi Alliance says spread of Wi-Fi has n't led to an 'epidemic ' of hacking . Users urged to protect their networks , use VPN for sensitive data .