U.S. Department of Homeland Security, Information Technology Sector Coordinating Council (ITSCG), and Information Technology Government Coordinating Council (ITGCC): Information Technology Sector Baseline Risk Assessment (PDF)
http://www.verisigninc.com/en_US/why-verisign/innovation-initiatives/dnssec/additional-resources/index.xhtmlDomain Name System and DNSSEC Additional Resources - Domain Name System Security Tools and Resources - VerisignVerisign provides additional tools and resources regarding domain name system and DNSSEC.