For home lock and key security systems locksmiths are suggest using the best security system. Your house is a security-sensitive area and is always at risk all the time. You need to use an advanced un-pickable locking system there. In residential areas, two types of security work first are the primary security and the second one is the secondary security. Primary security covers the outer main gate area and secondary security hold areas lie within the house property. For primary area, locksmith baltimore md suggest using deadbolt series of lock and key system. It is one of the strongest locks in the manual category. In the secondary area, they suggest using the lever handle locks. Those with a good financial budget for the security of their house can prefer to use electronic locks everywhere along with the surveillance system. In case of any confusion or if you want any help feel free to ask the locksmith any time.