There's no point owning a bike if it's not to be found where you last left it. Either use a bike that's not in the thief's radar, or equip yourself with a decent lock or two. Here is some advice on locks.
My name is John Swindells and I'm a keen recreational cyclist with a preference for long one-day rides. I've also previously dabbled in time trialling and cyclo-cross. See more of what I get up to on Strava!