security bag
{{Short description|Heavy duty bag used to contain high-value products, documents or legally-sensitive items}}
File:Security bag tape showing voiding when removed.jpg
File:Tamper evident currency bag.jpg
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.{{cite web
|title=Sealed Bag deposit Process
|publisher=Northwestern University
| date =2016
|url=http://ffra.northwestern.edu/documents/training/gl/740/course/SealedBagDepositProcess.pdf
}}
|title=Preparing and Packaging Cash Vault Deposits
| last =Bank of America
|publisher=Harvard University
| date =2015
|url=http://otm.finance.harvard.edu/files/otm/files/deposit_preparation_guide.pdf
}}
When they are used to contain items related to a crime, special evidence bags are used.{{cite journal
| last = Warrington
| first = D
| date = April 1, 2008
| title = Evidence Packaging
| url = https://www.forensicmag.com/article/2008/04/evidence-packaging
| journal = Forensics
}} Authentication of signatures and chain of custody are often required.
Construction
Security bags or envelopes may be specially designed plastic bags, paper bags, 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 so that an unauthorized entry is easily detected to have occurred.
Bags and envelopes are often closed by an integral pressure sensitive adhesive on the closing flap. The removal of a release liner 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.{{cite patent|country=US|number=2006066096|title=Adhesive tape structure for sealing and keeping secrecy|pubdate=2006-03-30|status=application|inventor1-last=Kan|inventor1-first=Shen-Nan}}, now abandoned.{{cite patent|country=US|number=5918983|title=Security envelope|pubdate=1999-07-06|assign=Control Paper Co. Inc.|inventor1-last=Palazzolo|inventor1-first=John}}, now expired.{{cite patent|country=US|number=5788377|title=Tamper-resistant envelope|pubdate=1998-08-04|assign=Uniflex Inc.|inventor1-last=Vetter|inventor1-first=Kurt W.}}{{cite patent|country=US|number=5108194|title=Security bag|pubdate=1992-04-28|inventor1-last=Raden|inventor1-first=David T.}}, now expired.{{cite patent| country=US|number=2005036716|status=application|title=Tamper indicating security bag|pubdate=2005-02-17|assign=Ampac Plastics LLC|inventor1-last=Geyer|inventor1-first=Thomas}}, now abandoned.{{cite patent|country=US|number=5631068|title=Self-containing tamper evident tape and label|pubdate=1997-05-20|assign=Trigon Packaging Corp.|inventor1-last=Smith|inventor1-first=Christopher A.}}{{cite patent|country=US|number=4449631|title=Tamper proof packaging|pubdate=1984-05-22|inventor1-last=Levenberg|inventor1-first=Nat|inventor2-last=Levenberg|inventor2-first=Alvin}}
Separate security tapes 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".{{Citation
| last = Rosette
| first = J L
| chapter = Tamper-Evident Packaging
| year =2009
| editor-last = Yam
| editor-first = K L
| title = Encyclopedia of Packaging Technology
| publisher = Wiley
| publication-date = 2010
| isbn = 978-0-470-08704-6
}} 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,{{cite patent|country=US|number=5798169|title=Self-containing tamper evident seal|pubdate=1998-08-25|assign=Sealed Air Corp.|inventor1-last=Smith|inventor1-first=Christopher A.}} other security bags, security tapes, etc.
Faraday Bag
When electronic devices, cell phones, etc. are collected as evidence, special faraday bags can be used. These have Electromagnetic shielding to prevent electronic access to contents {{Citation
| last = Lennox-Steele
| first = A
| title = A forensic examination of several mobile device Faraday bags & materials to test their effectiveness
| publisher = Proceedings of 14th Australian Digital Forensics Conference, 5-6 December 2016, Edith Cowan University, Perth, Australia
| publication-date = 2016
| url = https://ro.ecu.edu.au/adf/165/
| last = Senol
| first = Nurettin Selcuk
| title = Mobile Forensic Investigation: Extractions and Connectivity Isolation in Phones Utilizing eSIM, iSIM Technology
| publisher = IEEE 12th International Symposium on Digital Forensics and Security (ISDFS)
| publication-date = 2024
| url = https://www.researchgate.net/profile/Nurettin-Senol-2/publication/380612729_Mobile_Forensic_Investigation_Extractions_and_Connectivity_Isolation_in_Phones_Utilizing_eSIM_iSIM_Technology/links/66467dff479366623af36eda/Mobile-Forensic-Investigation-Extractions-and-Connectivity-Isolation-in-Phones-Utilizing-eSIM-iSIM-Technology.pdf
}}.
See also
Notes
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References
{{refbegin}}
- Rosette, J L, ”Improving Tamper-Evident Packaging: Problems, Tests and Solutions", 1992
- Yam, K.L., "Encyclopedia of Packaging Technology", John Wiley & Sons, 2009, {{ISBN|978-0-470-08704-6}}
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