2.4.5
Work within Protected Areas
Based on official sourcesISMSISMS-PCheckpoints 2Evidence 3Cases 2
Certification criterion
Work procedures shall be established and implemented to prevent unauthorized acts and abuse/misuse of privileges within protected areas, and work records shall be reviewed periodically.
Key checkpoints
- When work within a protected area is required for purposes such as the introduction or maintenance of information systems, are formal work request and execution procedures established and implemented?
- Are work records reviewed periodically to verify whether work within a protected area was carried out appropriately in accordance with control procedures?
Detailed explanation
For cases where work within a protected area is required for purposes such as the introduction or maintenance of information systems, formal work request and execution procedures shall be established and implemented.
- Work procedures: work request, approval, preparation of work records, etc. when performing work in a controlled area
- Work records: date and time of work, purpose and content of work, work company and person in charge, reviewer and approver, etc.
- Control measures: procedures for entering the protected area to perform work, securing accountability for work details, monitoring measures, etc.
Work records shall be reviewed periodically to verify whether work within a protected area was carried out appropriately in accordance with control procedures.
- Work review: periodic review of prior approval records, entry records, work records, etc.
- Review method: consistency between entry request forms and entry records (management ledgers, system logs, etc.), etc.
Related laws
No individual legal provision directly corresponding to this item is specified.
Evidence (examples)
- Work request forms, work logs
- Controlled area entry ledger
- Records of entry to the controlled area and review records of work records
Nonconformity examples
- A case where the computer room entry logs show entry records of staff from an external maintenance company, but there are no protected-area work request and approval records for them (a case where entry to and work within a protected area are carried out without a protected-area work request as required by internal regulations)
- A case where internal regulations require inspection of work records within a protected area at least once per quarter, but inspection of work records within the protected area has not been performed for a long period without any particular reason