Information Security Guidelines for Cloud Service Providers (Japan) is issued by Ministry of Economy, Trade and Industry (METI) / Ministry of Internal Affairs and Communications (MIC) and applies most commonly in Japan, Asia Pacific. This page covers who typically pursues it, what drives the decision, and when it's worth the investment.
Who ISG Applies To
ISG is most relevant to:
- Saas
- Enterprise
Industries That Pursue ISG
Teams working in the following sectors regularly engage with ISG:
- Technology
- Government
- Finance
- Manufacturing
Common Drivers
Organizations typically pursue ISG for one or more of:
- Customer or enterprise procurement: prospects or existing customers require it as part of security review and vendor onboarding.
- Regulatory obligation: ISG intersects with regulations that mandate equivalent controls.
- Risk reduction: the control framework surfaces real gaps — access management, change control, incident response — that would eventually bite without structure.
- Market signal: many buyers now treat the framework as a trust shortcut; achieving it accelerates sales cycles.
Where It Applies
ISG is recognised in Japan, Asia Pacific. If you sell outside those regions, confirm whether buyers will accept ISG or whether a locally-recognised alternative is required.
Alternatives and Adjacent Frameworks
If ISGisn't the right fit, buyers in the same space typically also accept:
Decision Checklist
- Is a customer or regulator asking for it in writing?
- Will the audit output be used repeatedly across prospects, or just once?
- Do you have the budget and six-month calendar required to see the process through?
- Could an adjacent framework (ISO 27001 or ISO 27017) satisfy the same ask more cheaply?
For a full step-by-step walkthrough, see the ISG certification process page. For cost breakdowns, see the cheapest path to ISG.