TY - GEN AU - Grance, T AU - Hash, J AU - Stevens, M AU - O'Neal, K AU - Bartol, N C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2003-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.SP.800-35 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2003 TI - Guide to information technology security services: ER -