Smartphones are revolutionising how millions of us go online each day.
We use them to make calls, send texts, check emails and run an ever-growing number of applications.
But these devices may also carry some risks.
Should your smartphone fall into the wrong hands, it is a potential treasure trove of information.
If you download a rogue application, it's even possible for hackers to hijack your phone without it leaving your side.
More than half of UK adults now own a smartphone. If you're one of them, here are some tips to help keep you and your device safe and secure.