Start Level 1 Node: Security Guide ALE (ALE Applications)Security Guide ALE (ALE Applications)End Level 1 Node: Security Guide ALE (ALE Applications)
   Start Level 2 Node: General Security Measures (ALE)General Security Measures (ALE)End Level 2 Node: General Security Measures (ALE)
   Start Level 2 Node: Protecting the ALE Distribution ModelProtecting the ALE Distribution ModelEnd Level 2 Node: Protecting the ALE Distribution Model
   Start Level 2 Node: Measures to Take in the Source SystemMeasures to Take in the Source SystemEnd Level 2 Node: Measures to Take in the Source System
   Start Level 2 Node: Measures to Take in the Target SystemMeasures to Take in the Target SystemEnd Level 2 Node: Measures to Take in the Target System
      Start Level 3 Node: Assigning Authorizations When Using Background ProcessingAssigning Authorizations When Using Background ProcessingEnd Level 3 Node: Assigning Authorizations When Using Background Processing
      Start Level 3 Node: Assigning Authorizations When Using Immediate ProcessingAssigning Authorizations When Using Immediate ProcessingEnd Level 3 Node: Assigning Authorizations When Using Immediate Processing