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Chapter 12

Chapter 12 . Security Seals and Printing. Security Printing. Money Primary or first level inspection Secondary or Second level inspection Tertiary or Third Level inspection Need to study more closely what causes a person to recognize forged note Kind of like the HCI of preventing forgeries

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Chapter 12

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  1. Chapter 12 Security Seals and Printing

  2. Security Printing • Money • Primary or first level inspection • Secondary or Second level inspection • Tertiary or Third Level inspection • Need to study more closely what causes a person to recognize forged note • Kind of like the HCI of preventing forgeries • Security usability

  3. Techniques pages 246 - 247 • Intaglio • Letterpress • Simultan presses • Rubber stamps • Embossing and laminates • Watermarks

  4. Modern Techniques • Optically variable inks • Inks with magnetic or photoacoustic properties • Printing features requiring special equipment to see • Metal threads and foils • Screen traps • Digital copy marks • Unique stock

  5. Technology moves forward • What is expensive and difficult to do today will not be tomorrow • Copying big issue • Check fraud • Alterations • Credit cards • Travel documents

  6. Packaging and Seals • Print on substrate glue to package • Substrate properties • Can use the properties of the substrate to mark and make unique • Problems of glue • You can typically cut the glue and remove seal intact.

  7. Vulnerabilities • Wristband seal • Enemy is customer • Customer applies seal • Seal re-use indistinguishable from failure • Seals can be bought in marketplace • Counterfeit seals can be manufactured • Effective inspection is infeasible

  8. Issues • Peculiarities of threat model • Staff diligence • Random failure • Materials Control • Not protecting the right thing • Cost and Nature of inspection

  9. Evaluation Methodology • How long has the system been used • How widely available are the sealing materials • Will person applying seal be careless or corrupt • Does seal protect right part of product • What are quality issues • Who will spot forged seals • Are the evidential issues • How will seals be disposed of

  10. Discussion articles • Techniques used to protect new US currency especially tactics to spot forgeries at first level • New techniques to prevent check fraud

  11. Past Articles • Site for the treasury’s prevention of counterfeit bills: • http://www.treasury.gov/usss/money_technologies.shtml • They should have stuck to the 1 and 5 dollar counterfeits: • http://www.heraldnet.com/stories/06/02/22/100loc_b4briefs001.cfm • Meter Security • http://www.metering.com/archive/014/25_1.htm • Minimizing Fraud • http://uaelp.pennnet.com/articles/article_display.cfm?article_id=239315 • This is a 5 page PDF about the possibility of this security model making it out in the world, as well as a few examples. • http://csdl2.computer.org/comp/mags/co/2002/04/r4s22.pdf • This is a general overview of bluetooth security, and how it can be used to implement the "Duckling". • http://www.niksula.cs.hut.fi/~jiitv/bluesec.html • Wow check fraud is simple.. • http://msnbc.msn.com/id/7914159/ • http://qchex.com/ • Laser printing fingerprints – • http://www.pcworld.com/news/article/0,aid,118189,00.asp

  12. Nice article on de-incentive to catch • Wal-Mart fruad • http://www.eweek.com/article2/0,1895,1748499,00.asp • How they were caught, what they did: • http://www.eweek.com/article2/0,1895,1748274,00.asp

  13. List of Resources • Counterfeiting • http://www.treasury.gov/usss/money_technologies.shtml • Usable Security • http://usablesecurity.com/

  14. List of Resources • Secure printing • http://www.art.eku.edu/programs/print/tech/colorIntaglio.html • http://www.polestarltd.com/ttg/ttgdetail.html • http://www.sekuworks.com/ • http://dmoz.org/Business/Publishing_and_Printing/Printing/Products/Security/

  15. List of resources • Seals and packaging • http://www.stoffel.com/ • http://www.americancasting.com/ • Walmart scam • http://www.eweek.com/article2/0,1895,1748499,00.asp • http://www.eweek.com/article2/0,1895,1748274,00.asp

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