Security Risk Assessment for Transport Operators - Department of ...

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Example 6: Rating riskA bus company has identified a risk that, ‘Staff members experience an armed assaultby a disgruntled employee, leading to injuries or fatalities.’Having taken into account current security measures, the operator concludesthat the most plausible worst case scenario is multiple fatalities and injuries. Usingthe consequence Table 5 on page 17, the level of consequence (health and safety)is accordingly rated as ‘catastrophic’ (5).Given that the company has recently laid off a fifth of its staff, it is assessedthat the probability of the risk occurring has risen to about 5 per cent. UsingTable 6 on page 18, the likelihood is therefore assessed as ‘unlikely’ (D).Using the risk rating matrix, the levels of consequence (5) and likelihood (D)are cross-referenced to determine the final level of risk.The risk that, ‘Staff members experience an armed assault by a disgruntled employee,leading to injuries or fatalities’ is therefore rated as ‘high’.LikelihoodConsequenceInsignificant Minor Moderate Major Catastrophic(1) (2) (3) (4) (5)Almost Certain (A) Significant High High Extreme ExtremeLikely (B) Medium Significant High High ExtremePossible (C) Medium Medium Significant High HighUnlikely (D) Low Medium Medium Significant HighRare (E) Low Low Medium Medium Significant2.5 Part 2 checklistWhen you have completed Part 2, you should have:• Rated the potential consequences from the identified risks occurring• Rated the likelihood of the identified risks occurring• Rated the risks by cross referencing consequence and likelihoodOnce you have completed these steps, you should move on to the risk evaluation processoutlined in Part 3.20 Security Risk Assessment Guide
Security Risk Assessment Guide 21
Page 2 and 3: This publication is copyright. No p
Page 5 and 6: The documentPurposeThere are a wide
Page 8 and 9: Part 1Risk identification8 Security
Page 10 and 11: 1.2.2 MethodologyWhen identifying c
Page 12 and 13: 1.4 Identifying potential areas of
Page 14 and 15: Part 2Risk analysis14 Security Risk
Page 16 and 17: Table 4: Consequence categoriesCate
Page 18 and 19: Example 4: Rating consequenceA larg
Page 22 and 23: Part 3Risk evaluation22 Security Ri
Page 24 and 25: 3.3 PrioritisationTo determine with
Page 26 and 27: 26 Security Risk Assessment GuideNe
Page 28 and 29: Table 8: Sample risk registerIdenti
Page 30 and 31: 30 Security Risk Assessment GuideAp
Page 32 and 33: Table 9: Assessing the criticality
Page 34 and 35: Table 11: Example threat matrixInte
Page 36: For further information in yourlang

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