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Your Key Could Reveal More Than You Think: The Security Risks of Mishandling Keys

Learn how exposed key photos, direct bitting numbers, blind codes, and poor key-control habits can create a serious property-security risk.

Published August 25, 2026 · 8 min read · Reviewed by Michael Galdine, licensed locksmith · NCLL #3119
AI-created Schlage house key showing a visible direct bitting number as a key-security example

Learn how exposed key photos, direct bitting numbers, blind codes, and poor key-control habits can create a serious property-security risk.

Experienced North Carolina locksmith guidance

This guide was prepared by Michael Galdine, owner of A Good Locksmith, LLC. Mike has 35+ years of professional locksmithing experience and established the business in 1994. The article covers Key security, Key bitting, Blind key codes, Key duplication risk, Lock rekeying for property owners, drivers, landlords and businesses.

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