With wireless networks being available freely on many of the places the hackers are on their pinnacle to capture your identities and personal information.
These hackers hack your mobile phone or laptop and rob your personal information and sell it out for good price. Most of the identity theft and cyber crimes are due to these free accesses of internet.
Most of these hackers try to inject a bug or a virus to download your information. The only way to avoid this is Antivirus software.
Antivirus can lower the chances of your device being hacked and prevents it from cracking. There are many antivirus brands to choose from.