CISA and CISM certifications
An overview of the often overlooked, but very meaningful, CISA (Certified Information Systems Auditor) and CISM (Certified Information Security Manager) can be found at http://www.unixreview.com/documents/s=9953/ur0601l/ur0601l.html. Both certifications are from ISACA and are limited in quantity by only being made available twice a year.