36 sector-specific coordination roles to leading agencies . The agencies focus on sectorspecific cyber threats. Critically, the lead agencies have a duty to decompose the 37 national vision into sector-relevant strategies and action plans. The agencies may enter 38 agreements between each other to collaborate on areas of common interest. 5.4.6 Stage 4 – Implement Cybersecurity Strategy This stage sees the lead agencies working with critical infrastructure operators and other stakeholders to implement the sector-specific action plans. As we see later, the ways of executing the strategy align with the five pillars of the ITU Global Cybersecurity Agenda. 5.4.7 Stage 5 – Report on Compliance and Efficacy The cybersecurity focal organisation is accountable for monitoring the effectiveness of the national strategy. The body may delegate the responsibility to the lead agencies for every sector. The focal body may also commission periodic independent reviews. 36 The US National Strategy to Secure Cyberspace nominates seven critical infrastructure lead agencies. These include the Department of Homeland Security (DHS) and Department of Defense (DoD). The agencies may in turn issue sector-specific strategies. Obtain a copy of the strategy here: http://www.dhs.gov/xlibrary/assets/National_Cyberspace_Strategy.pdf 37 In July 2011, the US DoD issued the “Department of Defense Strategy for Operating in Cyberspace.” 38 In late 2010, the DHS and the DoD’s National Security Agency (NSA) entered a Memorandum of Agreement to work together to defend the United States against cyber attack. 33