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Defense
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Management

strategically
legal compliance, security politics, management, information politics, authority, responsabilities, enterprise goals, visions
tactically
security conception, security officer, danger analysis, risk management, measure identification, emergency plan, training, configuration management, change management
operative
realisation of measures, implementation, system administration, operating, monitoring, disaster recovery, configuration management, change management

Principles

Top-Down
A "top down" approach is one where an executive or other person/body makes a decision. This approach is disseminated under their authority to lower levels in the hierarchy, who are, to a greater or lesser extent, bound by them.
Bottom-Up
A "bottom up" approach is one that works from the grassroots — from a large number of people working together, causing a decision to arise from their joint involvement.

Security conception

1 Identification of protectable objects
2 Implementation of baseline protection
3 Analysing threat situation, riskanalysis, evaluation
4 Measure identification, evaluation, security concept
5 Measure implementing, residual risk regulation
6 Controlling, re-evaluation threats and risks, measure management