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Information on Security in the Systems Development Life Cycle can be found in NIST Special Publication (SP) 800-64 Revision 2, Security Considerations in the System Development Life Cycle.
An overview of SP 800-64 Rev. 2 is available in the April 2009 ITL Bulletin.
The SDLC Brochure from August 2004 is out-of-date and has been removed.