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6 Articles

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A Master Key Is Missing: The Step-by-Step Response Every Facility Manager Should Have Ready

What This Guide Covers -- and Who Needs It A lost master key is one of the most disruptive security events a facility can face. Unlike a lost change key, which exposes only one door, a missing master ...

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Oct 16, 2026

Key Duplication Restrictions: How to Choose the Right Level of Control for Your Facility

What This Article Covers Unauthorized key duplication is one of the most common and underestimated security gaps in commercial facilities. This guide explains how key duplication restriction works, wh...

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Sep 29, 2026

Bump-Resistant Cylinders for Commercial Doors: What the Attack Is, Why Standard Pins Fail, and How to Spec the Right Protection

What This Article Covers and Who It Helps Cylinder bumping is a low-skill, low-cost attack that can defeat a standard pin-tumbler lock in seconds using a specially cut key and a small impact tool. If ...

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Sep 24, 2026

Master Key System Levels Explained: When a 3-, 4-, 5-, or 6-Level Hierarchy Makes Sense for Your Facility

What This Article Covers and Who It Helps If you are specifying, ordering, or managing cylinders for a school, hospital, industrial campus, or multi-building commercial property, you have probably hea...

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Sep 16, 2026

Bump Keys and Your Door Cylinders: What the Attack Looks Like and How Hardware Spec Stops It

What This Article Covers and Who It Helps Bump keying is one of the fastest ways an unauthorized person can open a standard pin-tumbler lock without leaving visible evidence of forced entry. This guid...

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Sep 5, 2026

Cabinet Locksets for Furniture and Millwork: Choosing the Right Lock Before the Casework Ships

Why Cabinet Lock Selection Deserves More Attention Than It Gets Cabinet locksets are among the most overlooked items on a millwork or furniture schedule -- until a school discovers its storage cabinet...

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Aug 27, 2026