@misc{1195736, author = {Marianne Swanson}, title = {Guide for developing security plans for information technology systems:}, year = {1998}, month = {1998-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.SP.800-18}, language = {en}, }