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A security bag is a heavy duty bag used to contain high-value products, documents or legally sensitive items. Envelopes with security features are called security envelopes as well as security bags. Cash for deposit in a bank is often placed in a special deposit bag with security features. When they are used to contain items related to a crime, special evidence bags are used.
A security bag is a heavy duty bag used to contain high-value products, documents or legally sensitive items. Envelopes with security features are called security envelopes as well as security bags. Cash for deposit in a bank is often placed in a special deposit bag with security features. When they are used to contain items related to a crime, special evidence bags are used. Authentication
Authentication (from ''authentikos'', "real, genuine", from αὐθέντης ''authentes'', "author") is the act of proving an Logical assertion, assertion, such as the Digital identity, identity of a computer system user. In contrast with iden ...
of signatures and chain of custody
Chain of custody (CoC), in legal contexts, is the chronological documentation or paper trail that records the sequence of custody, control, transfer, analysis, and disposition of materials, including physical or electronic evidence. Of particul ...
are often required.
Construction
Security bags orenvelope
An envelope is a common packaging item, usually made of thin, flat material. It is designed to contain a flat object, such as a letter (message), letter or Greeting card, card.
Traditional envelopes are made from sheets of paper cut to one o ...
s may be specially designed plastic bag
A plastic bag, poly bag, or pouch is a type of container made of thin, flexible, plastic film, nonwoven fabric, or plastic textile. Plastic bags are used for containing and transporting goods such as foods, produce, Powder (substance), powders, ...
s, paper bag
A paper bag is a bag made of paper, usually kraft paper. Paper bags can be made either with virgin or recycled fibres to meet customers' demands. Paper bags are commonly used as shopping bag, shopping carrier bags and for packaging of some co ...
s, or fabric bags. Bags or envelopes can be made to be tamper resistant to make it difficult for unauthorized entry. It is often more important for these to be tamper evident
Tamper-evident describes a device or process that makes unauthorized access to the protected object easily detected. Seals, markings, or other techniques may be tamper indicating.
Tampering
Tampering involves the deliberate altering or adulterat ...
so that an unauthorized entry is easily detected to have occurred.
Bags and envelopes are often closed by an integral pressure sensitive adhesive
Pressure-sensitive adhesive (PSA, self-adhesive, self-stick adhesive) is a type of nonreactive adhesive which forms a bond when pressure is applied to bond the adhesive with a surface. No solvent, water, or heat is needed to activate the adhesive ...
on the closing flap. The removal of a release liner
A release liner or ''release paper'', also called a ''backing liner'', is a paper or plastic-based film sheet (usually applied during the manufacturing process) used to prevent a sticky surface from prematurely adhering. It is coated on one or bo ...
allows convenient closing of the bag. Several types of security features can be included in the flap structure and are designed to indicate its opening irreversibly.
Separate security tape
Security tape (or security label) is a type of adhesive tape used to help reduce shipping losses due to pilfering and theft. It helps reduce tampering or product adulteration. It is often a pressure-sensitive tape or label with special tam ...
s are also used. Tamper-indicating security seals employ a variety of mechanisms for operation, each with its own advantages and disadvantages.
Documentation such as labels for certified signatures for custody and chain-of-custody labels are frequently included.
Use
No one security feature can be considered as "tamper proof". Layers of tamper-resistant and tamper-evident features, as well as the broader security systems are needed to provide better assurance of security. All security products can be foiled by a knowledgeable person with sufficient time and with access to specialized tools, solvents, extreme temperatures, other security bags,security tape
Security tape (or security label) is a type of adhesive tape used to help reduce shipping losses due to pilfering and theft. It helps reduce tampering or product adulteration. It is often a pressure-sensitive tape or label with special tam ...
s, etc.
See also
* Currency packaging * Dye pack * Evidence management *Provenance
Provenance () is the chronology of the ownership, custody or location of a historical object. The term was originally mostly used in relation to works of art, but is now used in similar senses in a wide range of fields, including archaeology, p ...
* Package pilferage
* Security seal
*Traceability
Traceability is the capability to trace something. In some cases, it is interpreted as the ability to verify the history, location, or application of an item by means of documented recorded identification.
Other common definitions include the capa ...
Notes
References
* Rosette, J L, ”Improving Tamper-Evident Packaging: Problems, Tests and Solutions", 1992 * Yam, K.L., "Encyclopedia of Packaging Technology", John Wiley & Sons, 2009, {{bags Bags Evidence Theft Security Security technology Envelopes Money containers