Even on the most secure door, the lock cylinder is still most vulnerable part of your door. We recommend that you should at least invest in a kite marked euro cylinder.
One of oldest and still most common methods of entry for burglars in something known as ‘lock snapping’. We have an article here where you can find more information.
We recommend to all of our customers they invest in a level 1 security upgrade for their doors, giving you extra security and peace of mind. These cylinders have anti-pick, anti-snap, anti-drill, anti-pull and anti-bump features.