Difference between revisions of "Part 3: Impact Over Time of Business Functions v2.0"

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Revision as of 15:50, 16 January 2020

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Part 3 BIA Questionnaires: Impact Over Time Of Business Functions

Business Function

Function Code

  • The acronym for each business function and its serial number.
  • This function number is used as a shorter form of unique identification of each business function within the entire BIA exercise and also as a cross-reference to the rest of the document.
  • For example, “HR” is the acronym for Human Resource Department and say, the function is "Payroll". The function number “HR-01” is CBF Number 01 (first of the series of business function) for HR Department.
  • Cross-reference to the function code from original function code assigned in Part 1

Highest Impact Area

  • Highest-Impact Area refers to the impact area determined during Impact analysis in part 2 of the BIA

Impact Over Time

  • The timescale for a business function to be carried out on a normal day. You can consider it as to how long does it takes to do one transaction. Insert the appropriate timescale found in the BIA Questionnaire.
    • Example of a typical entry is “1” if the time scale is less than 4 hrs, “2” if less than 1 day. Refer to the scale found in Part 2.

Recovery Time Objective (RTO)

  • Sometimes referred to as Disaster Timescale or Crisis Timeline
  • During a disaster, would you be able to stretch the timescale during the delivering of this business function? Would your customer be able to bear with the delay?
    • Please make a personal judgment based on a “credible” Worst Case Disaster Scenario.
    • Could the business function be carried out over a longer period, possibly by using different means during a disaster?
    • Assume it is not possible to access your office location.

Maximum Tolerable Period of Disruption (MTPD)

  • Maximum Tolerable Period of Disruption or MTPD/MTPoD is the maximum allowable time that the organization’s key products or services is made unavailable or cannot be delivered before its impact is deemed as unacceptable.

Vulnerable Period

  • State the specific time e.g.
    • Month-end
    • Year-end
    • 25th of month
    • 4.30 pm daily
    • Not applicable

etc. whereby the business function is most vulnerable.

  • Notes (1): Try to discourage answers such as “All day” and “Ad-hoc.” Additionally, try to give a definitive date instead of a range. For example, no 5 to 7 days
  • Notes (2): The key is to identify how much time it takes to complete a transaction and compare this with the time to be taken during a disaster.