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Secure MICR Printer User’s Guide © Source Technologies
July 2003 Page 14 All rights reserved
Security Note
Check fraud in the United States is a continuing problem. We have attempted to identify
security features that can be incorporated into the base check stock. However, these may
not prove 100% fraud preventative. Over time, technology will continue to develop new and
improved measures to address check fraud.
The following internal and external security measures will help minimize your risk of check
fraud.
1. Financial institutions should train tellers to look at the check, not the person
presenting the check. The check, not the person, is the item that must be verified.
2. Firms accepting checks should be aware of damaged MICR lines. Intentionally
damaging the MICR line can increase the time necessary to process an item, giving
the forger enough time to leave town. Also be sensitive to discoloration, this could
be an indication of alteration.
3. Incorporate security features into your base check stock and utilize printed
security features that address both alteration and counterfeiting of original items. A
short list of these features would be:
• Warning Bands, or other methods that alert recipients to visual security
features;
• Artificial or genuine watermarks in the base paper;
• Chemical additives in the base paper that react to chemical alteration
attempts;
• Void Pantographs that address attempts to copy original items;
• Unique security fonts that deter attempts to alter payee or amount
information.
4. When generating final negotiable items,
• The document always includes the amount value in words;
• The document should not include information that limits the value range, i.e.
“Not valid over $500.” This only guides the fraudulent attempt. Use your
application software to detect out of range items;
• All levels of hardware and software password protection should be utilized.
5. Safeguard check stock paper, and limit access only to necessary employees.
6. Understand and approve the security procedures of your check stock suppliers to
safeguard stock in their custody.
7. Use “Positive Pay” check services from your financial institution that match check
number and dollar amounts to known information. Financial institutions should
encourage full participation of corporate clients.
Section 5: Security Issues