@misc{58581, author = {Timothy Grance and Joan Hash and Marc Stevens and K O'Neal and N Bartol}, title = {Guide to Information Technology Security Services}, year = {2003}, month = {2003-10-13}, publisher = {Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=906567}, language = {en}, }