A
- ABC News
- Abloy Locks
- ABUS
- Academic degree – Simple English Wikipedia, the free encyclopedia
- Access control
- Alarm – Simple English Wikipedia, the free encyclopedia
- Alarm device
- Alarm monitoring center
- Alfred Charles Hobbs
- Algorithm
- ALOA Security Professionals Association
- Ancient Rome
- Anvil
- Apple Inc.
- Apprenticeship
- Apprenticeship – Simple English Wikipedia, the free encyclopedia
- Arizona
- Assa Abloy
- Assa Abloy – Simple English Wikipedia, the free encyclopedia
- Assyria
- Assyria – Simple English Wikipedia, the free encyclopedia
- ASTM International
- Athens
- Australia
- Australian Qualifications Framework
- Authentication
- Automation
- Automobile – Simple English Wikipedia, the free encyclopedia
B
- Banham Group
- Bank vault
- Barack Obama
- Battery – Simple English Wikipedia, the free encyclopedia
- Beguinage
- Belly chain (restraint)
- Berlin
- Berlin key
- Bernd Venohr
- Bicycle
- Bicycle – Simple English Wikipedia, the free encyclopedia
- Bicycle lock
- Biometric Locks
- Birka
- Bitting (key)
- Blacksmith
- Bladesmith
- Blipvert
- Bluetooth
- BMW – Simple English Wikipedia, the free encyclopedia
- Bored cylindrical lock
- Boron – Simple English Wikipedia, the free encyclopedia
- Boron carbide – Simple English Wikipedia, the free encyclopedia
- Bramah lock
- Brass – Simple English Wikipedia, the free encyclopedia
- Briefcase
- Buffums Safe
- Bump Key
- Burglary
- Burr (edge)
C
- Cable reel
- California Department of Consumer Affairs
- Cam
- Cam Locks
- Car alarm
- Car key
- Card reader
- Cast iron
- Central Pacific Railroad
- Certificate – Simple English Wikipedia, the free encyclopedia
- Charles Chubb (businessman)
- Chastity belt
- Chernyakhov culture
- Child safety lock
- China
- Christopher Polhem
- Chromium – Simple English Wikipedia, the free encyclopedia
- Chubb detector lock
- Chubb Locks
- Clockwise – Simple English Wikipedia, the free encyclopedia
- Closed-circuit television
- Coat of arms
- Code
- College
- Combination
- Combination lock
- Combination lock – Simple English Wikipedia, the free encyclopedia
- Combination Locks
- Commercial Lockout Services
- Conair Corporation
- Coppersmith
- Coworking
- Crash bar
- Crash Bars
- Credit card
- Credit card – Simple English Wikipedia, the free encyclopedia
- Crowbar
- Cryptex
- Cuisinart
- Cupboard – Simple English Wikipedia, the free encyclopedia
- Cylinder
- Cylinder Locks
D
E
- Egypt
- Egypt – Simple English Wikipedia, the free encyclopedia
- Electric battery
- Electric strike
- Electromagnetic door holder
- Electromagnetic lock
- Electronic lock
- Electronic Locks
- Eleventh Edition
- Emergency Lockout Services
- Engineering
- England
- Escutcheon (furniture)
- Euro Cylinder Locks
- Europe
- European Committee for Standardization
- Exit control lock
F
- failed
- Family business
- Felony
- File:A young man has trouble in finding the right key to fit the Wellcome V0038918.jpg
- File:Ancient Roman padlock MANN.jpg
- File:Central Pacific Railroad of Cal brass car lock 1884.jpg
- File:Coat of arms Holy See.svg
- File:Copia llave video.ogv
- File:Early padlock.jpg
- File:Gnome-mime-application-pgp.svg
- File:Kathmandu-05.JPG
- File:Love padlocks on the Butchers’ Bridge (Ljubljana).jpg
- File:Master Lock 175.JPG
- File:Master Lock Key Storage Device.png
- File:Master lock on belly chain.jpg
- File:Master lock.JPG
- File:Masterpadlock.jpg
- File:Siuntio.vaakuna.svg
- File:TurkishHandmadePadlocks.jpg
- File:Viking Age lock.png
- File:Wikibooks-logo.svg
- Fingerprint scanner
- Forge
- Forging
- Fred Waring
- Freedom of the City
- Full disclosure (computer security)
- Fuller (metalworking)
- Fusible link
G
- Garage – Simple English Wikipedia, the free encyclopedia
- Gate – Simple English Wikipedia, the free encyclopedia
- Gerolamo Cardano
- Glass
- Glass break detector
- Glossary of locksmithing terms
- Goldsmith
- Google Books
- Gothic art
- Government of the United Kingdom
- Great Exhibition
- Guinness World Records – Wikipedia
- Gun safety
- Gunsmith
H
- Halbert S. Greenleaf
- Hammer
- Hardware store
- Hardy tool
- Harry Soref
- Heat detector
- Heat treating – Simple English Wikipedia, the free encyclopedia
- Hecate
- Helix
- Hiberno-English
- High Security Locks
- Hillsborough County, Florida
- History of China
- History of science and technology in China
- HMNB Portsmouth
- Holy See
- Honda – Simple English Wikipedia, the free encyclopedia
- HowStuffWorks
- HTTPS
- HuffPost – Wikipedia
- Hugh Chisholm
I
K
L
- La Tène culture
- Lamination
- Latch
- Latch – Simple English Wikipedia, the free encyclopedia
- Law – Simple English Wikipedia, the free encyclopedia
- Leandro Rizzuto
- Lever Locks
- Lever tumbler lock
- Library of Congress Control Number
- Lier, Belgium
- Linus Yale Jr.
- Lock – Simple English Wikipedia, the free encyclopedia
- Lock and key
- Lock Bumping
- Lock Installation
- Lock Museum
- Lock Museum of America
- Lock Picking
- Lock picking – Simple English Wikipedia, the free encyclopedia
- Lock Rekeying
- Lock Repair
- Locker – Simple English Wikipedia, the free encyclopedia
- Locking pliers
- Lockout Services
- Lockouts
- Lockrod
- Lockset
- Locksmith
- Locksmithing
- Locksport
- Love lock
- Luggage lock
M
- Machining
- Magnet
- Magnetic keyed lock
- Mailbox Locks
- Mains electricity
- Manager Magazin – Wikipedia
- Mandatory Palestine
- Manufacturing
- Maquiladora – Wikipedia
- Master Key System
- Master keying
- Master Lock
- Master Lock – Simple English Wikipedia, the free encyclopedia
- Master Locksmiths Association
- Mästermyr chest
- Matt Blaze
- Medeco – Simple English Wikipedia, the free encyclopedia
- Memory
- Metal
- Metalsmith
- Metalworking
- Metropolitan Museum of Art
- Miami-Dade County, Florida
- Middle Ages
- Milwaukee
- Milwaukee Journal Sentinel – Wikipedia
- Miniature snap-action switch
- Mohammed Assaf
- Molding (process)
- Molybdenum – Simple English Wikipedia, the free encyclopedia
- Mortise lock
- Mortise Locks
- Motion detector
- Motorcycle – Simple English Wikipedia, the free encyclopedia
- Mul-T-Lock
- Municipal clerk
- Musée de la Serrure
- Muslims
N
- Nakba
- Nakba Day
- Nalanda mahavihara
- Nason’s Lock
- Nassau County Legislature
- Nassau County, New York
- National heritage site
- National Science and Technology Museum
- Near-field communication
- Netherlands Organisation for Applied Scientific Research
- New York City
- Newark, New Jersey
- Nicholasville, Kentucky
- Nickel – Simple English Wikipedia, the free encyclopedia
- Night latch
- Nineveh
- North Rhine-Westphalia
P
- Padlock
- Padlock – Simple English Wikipedia, the free encyclopedia
- Padlocks
- Palestinian key
- Palestinian right of return
- Panic Bars
- Passive infrared sensor
- Password
- Password manager
- Patent
- Pattern welding
- Pen – Simple English Wikipedia, the free encyclopedia
- Perimeter intrusion detection
- Permutation
- Pewter
- Photo identification
- Photoelectric sensor
- Physical security
- Pick Gun
- Piezo switch
- Pin
- Pin Tumbler Lock
- Pin Tumbler Locks
- Planishing
- Plymouth Brethren
- Police lock
- Pope
- Power door locks
- Power tool
- Pritchel
- Private Security Authority
- Professional certification
- Protector lock
- Proximity card
- Przeworsk culture
- Public-key cryptography
- Puzzle lock
R
- Rail transport
- Rain – Simple English Wikipedia, the free encyclopedia
- Raising (metalworking)
- Reed switch
- Refrigerator – Simple English Wikipedia, the free encyclopedia
- Rekeying
- Remote keyless system
- Rim lock
- Rim Locks
- Robert Barron (locksmith)
- Rochester, New York
- Roller shutter
- Rolling code
- Rotary combination lock
- Rotation – Simple English Wikipedia, the free encyclopedia
- Rust – Simple English Wikipedia, the free encyclopedia
S
- Safe
- Safe (container) – Simple English Wikipedia, the free encyclopedia
- Safe Cracking
- Safe deposit box
- Saint Peter
- Sales tax
- Santa Clara, California
- Sargent & Greenleaf
- Sargent and Greenleaf – Simple English Wikipedia, the free encyclopedia
- Scottish English
- Security – Simple English Wikipedia, the free encyclopedia
- Security alarm
- Segal Lock and Hardware Company
- Sentry Group
- Serbia
- Shackle
- Shed – Simple English Wikipedia, the free encyclopedia
- Sheriff
- Significant other
- Silversmith
- Single-point locking
- Sinking (metalworking)
- Siuntio
- Skeleton Key
- Slamlock
- Slim jim (lock pick)
- Smart key
- Smart Locks
- Smartphone
- Smoke detector
- Smokehouse
- Snap gun
- Sniper
- Spiti
- Spring (device) – Simple English Wikipedia, the free encyclopedia
- Stainless steel – Simple English Wikipedia, the free encyclopedia
- States and territories of Australia
- Steam hammer
- Steel – Simple English Wikipedia, the free encyclopedia
- Steering-wheel lock
- Storage – Simple English Wikipedia, the free encyclopedia
- Strike Plate
- Strike Plates
- Suitcase
- Super Bowl commercials
- Swage block
- Swaging
- Switch – Simple English Wikipedia, the free encyclopedia
T
- Tennessee
- Tennessee Department of Commerce and Insurance
- Texas
- The Club (automotive)
- The Independent – Wikipedia
- The National Locksmith – Wikipedia
- Three-point locking
- Time (magazine) – Wikipedia
- Time lock
- Time-delay combination locks
- Tinsmith
- Toolbox – Simple English Wikipedia, the free encyclopedia
- Torch
- Trailer (vehicle) – Simple English Wikipedia, the free encyclopedia
- Trip hammer
- Tripwire
- Truck – Simple English Wikipedia, the free encyclopedia
- Tubular pin tumbler lock
- Tumbler Lock
- Turkey
U
V
W
- Wafer tumbler lock
- Wafer Tumbler Locks
- Warded lock
- Water detector
- Wayback Machine
- Web browser
- Wetter (Ruhr)
- Wikibooks – Simple English Wikipedia, the free encyclopedia
- William Swan Sonnenschein
- Window – Simple English Wikipedia, the free encyclopedia
- Window security
- Wired (magazine) – Wikipedia
- Witchcraft
- Wood
- Wordlock
- Workers’ compensation
- World Wide Web
- Wrought iron
- WTMJ-TV