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What are security holograms?

Published on 20 Jun 2025

What are security holograms?

Security holograms, also known as Optically Variable Devices or OVDs, are PPE-based labels or seals applied to products or packaging to prevent them from being duplicated or tampered with. Holograms are difficult to duplicate because they are created using extremely specialized, high-end machinery that any third party cannot procure. Security Holograms are widely used worldwide in banknotes, credit cards, passports, and other documents that require very high security against forgery, duplication, or tampering.

How holograms can stop counterfeiting

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