Key Mark Icon

Free Key Mark icon for manufacturing documents. Transparent PNG, commercial use OK, no sign-up.

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Category: IT & Digital Transformation · Updated 2026-10-03

About the Key Mark

A key mark is a simple key symbol that stands for access rights, locking or security. It is often placed next to login screens, restricted areas and encrypted data in system diagrams.

Where to use this icon

• Showing access control in system diagrams
• Security policy and training slides
• Authentication flow charts in IT proposals

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