1. Guilloche pattern
An intricate pattern of overlapping and/or continuous lines constructed by using two or more lines in overlapping bands
2. Tamper Evident Die-cutting
Fine line slits that are die-cut onto a pressure sensitive adhesive material that, once applied on to a surface, causes it to delaminate and shred upon the first attempt to remove it
3. Color-shift Inks
Contain microscopic pieces of metallic substances or variable pigments which display color changes depending on the angle of observation or lighting
4. Security Taggants
Covert materials that do not occur naturally in the tagged substrate, ink, or other carrier
5. Barcodes
An optical machine-readable representation of data relating to the object to which it is attached