@article{wang07comcom,
 author = {Wang, Lingyu and Noel, Steven and Jajodia, Sushil},
 title = {Minimum-cost network hardening using attack graphs},
 journal = {Comput. Commun.},
 volume = {29},
 number = {18},
 year = {2006},
 issn = {0140-3664},
 pages = {3812--3824},
 publisher = {Butterworth-Heinemann},
 address = {Newton, MA, USA},
 }