Covert
Requires a special device for detection.
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Invisible ink
Requires a specific light source for detection. If the light source is not correct or the barcode device is wrong, the content cannot be read.
Invisible ink
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Covert barcodes
Printing of covert barcodes with special ink that can only be read with a specific reader.
Covert barcodes
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Dye mark
Should label be removed, it leaves a dye mark on the product.
Dye mark
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Microtext
Text or image that is of extreme high resolution (above 10,000dpi) that is hidden within the artwork of the label.
Microtext
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Cloud codes
Cloud codes in printed within the artwork and with the use of special device, detect the variable codes printed.
Cloud codes