An exemplary lock assembly includes a plurality of discs, one or more wafer housings housing one or more wafers, a spindle, a locking bar, and a lock assembly housing. Each wafer housing is provided with one or more wafers that are spring biased in a first direction. The discs, wafer housing, and wafers may include recesses. When no key is inserted, the lock assembly is locked by both the wafers and the locking bar. When a proper key is utilized, the locking bar is free to move into the recesses to release the spindle.