Die Anschläge in New York und Washington am 11

Securing individual danger areas
usually represents the 
most important preventive measure, as the “external” 
measures which apply to the entire operational area rarely 
afford complete and adequate protection.
External protection measures will not affect any risk of wilful 
action on the part of employees, for example. Similarly, 100 
per cent control of access to the operational area or 
installations (e.g. at the beginning of shifts or at peak traffic 
times) is practically impossible. On the other hand, there is 
scope for substantially more effective controls at 
individual points 
of the operational area.
3.3.2 Staff 
 
Attacks on a company can always be carried out by both 
external and internal perpetrators. While a considerable 
number of concepts are available for protection against 
attacks from outside, there is a pronounced need for action in 
the area of possible threats from internal perpetrators. This 
category of perpetrator concerns company employees or 
outsiders who legitimately gain access to the area of 
security-critical facilities, but who undertake unauthorised 

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actions. They may have a good knowledge of the facilities 
concerned and aim to use this knowledge to criminal ends.
Both the state, as the guarantor of internal security, and the 
operators of infrastructure facilities are obliged to develop 
and apply preventive measures here. In addition to the 
general measures implemented by the security authorities, 
preventive measures are also required on the part of 
operators. These measures pertain above all to the area of 
personnel management 
and personnel surveillance 
(instilling a sense of identification with the company, 
motivation, sensitive handling of measures which impose a 
strain on personnel, training of superiors, etc.). Beyond this, 
a general appreciation of this problem area should be 
instilled in the entire workforce. Advice from qualified 
specialists in this field may be expedient. Use should also be 
made of carrying out a security check on employees in 
highly sensitive areas. For the purposes of an initial analysis, 
information should be available on the number of leased 
workers or employees from outside companies present within 
the company, their connection to the operational area (in