Cyber Primer
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<strong>Cyber</strong> functions<br />
3.27. Electromagnetic activities and cyber. The relationship between cyber<br />
and EMA should be seen as one of resilience and complementary in nature<br />
rather than as one of competition. <strong>Cyber</strong> and electromagnetic activities<br />
(CEMA) will, therefore, need to be delivered in an increasingly coordinated<br />
manner within Defence. Intelligently applying CEMA can create outcomes<br />
greater than the sum of their parts. For example, electronic attack could<br />
be used to herd an adversary’s communications onto a network already<br />
under surveillance. To improve the coordination between electromagnetic<br />
activities and cyber, Defence has created the Joint CEMA Group (JCG). A<br />
shared characteristic of EMA and cyber is the pace of development.<br />
Communication and information systems<br />
3.28. The final littoral relationship is with communication and information<br />
systems. With the advent of the information age, a large, but not exclusive,<br />
proportion of communication and information systems are computer based.<br />
Responsibilities within this function include security and resilience and this<br />
is where the overlap with cyber is greatest. Defensive cyber operations<br />
are an integral and non-discretionary component of network and security<br />
resilience.<br />
<strong>Cyber</strong> <strong>Primer</strong> (2nd Edition) 63