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If you are like most of us, you probably have a password, antivirus program, and a firewall for your home computer to protect it from hackers. Are you doing the same thing for your phone?

From 2015 to 2016 malware infections on smartphones swelled by 96%, and about 71% of the smartphones out there do not have any software at all to protect them. What does that mean for you? It means the odds are against you when it comes to getting your phone hacked. Luckily, there are some things you can do to protect your mobile phone from hackers:

  • Update Your Operating System – Many people skip updates for some reason. Don’t put it off. Most of these updates contain security fixes that your old operating system didn’t have.
  • Put a Lock On It – If your phone doesn’t have a passcode on it, it’s like leaving the front door of your home open for burglars. Hackers will get in; it’s just a matter of time. If you can, use a biometric method, like a swipe or finger tap. In addition, set up a good passcode. Make sure it’s totally unique and nothing a hacker can guess, like your address or birthday.
  • Use Caution with Public Wi-Fi – Public Wi-Fi is great, in theory, but it can also be dangerous, as it is very easy for hackers to access your info. It’s usually pretty safe to use a public Wi-Fi connection for things like catching up on the news or watching a movie, but don’t put any personal information into your device such as your banking password or credit card number.
  • Check Up On Your Apps – Hackers often use phone apps to access data. So, to make sure you are really safe, make sure to delete any apps that you aren’t using regularly. An outdated app can be dangerous, too, so make sure to always update when one is available. Also, only download apps from reputable sources like Google Play and iTunes.
  • Use a VPN – Finally, use a VPN, or virtual private network. This will encrypt your information when you use it over a public network. They are free or cheap, usually $5 to $30, and that small investment is definitely worth it for your safety.

Robert Siciliano personal security and identity theft expert and speaker is the author of 99 Things You Wish You Knew Before Your Identity Was Stolen. See him knock’em dead in this identity theft prevention video.

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