Threat DF.O.CCDS2FC.0

URI: DF.O.CCDS2FC.0

Package: ProcessComms

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Description: Excessive flow of data Data via Client propagates via Service: if the flow of data Data from Client to Service is excessive, then Service will forward the excessive flow to StepTo.

Threat Type: Secondary Threat

Matching Pattern:

DF.O.CCDS2FC.0
MP-CCDS2FC

Finds a data flowing from/via a client via a service, plus the associated client channel and the data steps from the client and from the service, and optionally the manager of the service and of the data flow source process.

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CSG-AutoSuspendExcessiveClientAccess

Access to service Service by client Client may be automatically disabled to prevent the service forwarding excessive requests or becoming overloaded itself, at the cost of some reduction in availability. This strategy represents a contingency plan, which can be used to reduce risk from some threats but it also triggers other threats representing possible side effects, depending on how likely it is that the contingency plan will need to be activated.

CSG-AutoSuspendExcessiveClientAccess-Implementation-Runtime

Access to service Service by client Client has been automatically disabled to prevent the service forwarding excessive requests or becoming overloaded itself. This strategy represents activation of a contingency plan at runtime, and can be selected to discover what effect this would have on risk levels, allowing this to be used for decision support calculations. Activation at runtime requires Service to be managed by a suitable adaptation framework. The Disable Client Access control should be deselected if and when access by Client to Service has been enabled once again.

CSG-SuspendExcessiveClientAccess

Change from: Access to service Service by client Client may be temporarily disabled by the process manager ServiceManager to prevent the service forwarding excessive requests or becoming overloaded itself, at the cost of some reduction in availability. This strategy represents a contingency plan, which can be used to reduce risk from some threats. However, it also triggers other threats representing side effects of the policy change, based on how likely it is that the contingency plan will need to be activated.

CSG-SuspendExcessiveClientAccess-Implementation-Runtime

Access to service Service by client Client is disabled by the process manager ServiceManager to prevent the service forwarding excessive requests or becoming overloaded itself. This strategy represents activation of a contingency plan at runtime, and can be selected to discover what effect this would have on risk levels, allowing this to be used for decision support calculations. To activate it at runtime, signal the process manager ServiceManager. The Disable Client Access control should be deselected if and when access by Client to Service has been enabled once again.