Hall of Shame - Bad Workmanship

The method of lock snapping involves breaking the cylinder to then manipulate the lock to open. Whilst you may think that all the multi locking points on your door make it secure, it’s important to realise they are all operated by the cylinder – this is the weakest point and if compromised all the locking points are rendered useless.

Lock snapping requires no specialist tools or knowledge – Various Police Forces are warning residents that lock snapping / cylinder snapping is a method of attack which requires no specialist tools or knowledge.
Above is a Burglars dream where they can gain easy access to your cylinders. if you have any locks fitted this way you are advised to change these to flush fitting BS kite marked cylinders. 
Warning - read your insurance policy as you might not be covered if you have NON British Standard locks fitted

Call your local locksmith for free advice.