Packaging can be engineered to help reduce the risks of package pilferage
or the theft and resale of products: Some package constructions are
more resistant to pilferage and some have pilfer indicating seals.
Counterfeit consumer goods, unauthorized sales (diversion), material
substitution and tampering can all be reduced with these
anti-counterfeiting technologies. Packages may include authentication seals and use security printing to help indicate that the package and contents are not counterfeit. Packages also can include anti-theft devices, such as dye-packs, RFID tags, or electronic article surveillance
tags that can be activated or detected by devices at exit points and
require specialized tools to deactivate. Anti-counterfeiting
technologies that can be used with packaging include:
- Taggant fingerprinting - uniquely coded microscopic materials that are verified from a database
- Encrypted micro-particles - unpredictably placed markings (numbers, layers and colors) not visible to the human eye
- Holograms - graphics printed on seals, patches, foils or labels and used at point of sale for visual verification
- Micro-printing - second line authentication often used on currencies
- Serialized barcodes
- UV printing - marks only visible under UV light
- Track and trace systems - use codes to link products to database tracking system
- Water indicators - become visible when contacted with water
- DNA tracking - genes embedded onto labels that can be traced
- Color shifting ink or film - visible marks that switch colors or texture when tilted
- Tamper evident seals and tapes - destructible or graphically verifiable at point of sale
- 2d barcodes - data codes that can be tracked
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