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South Korea · Compliance

PCI DSS compliance in South Korea

Achieve PCI DSS compliance in South Korea with Sterling: 8,100+ client engagements in 60+ countries, 20+ years.

  • Compliance, end to end
  • Tokyo office team
  • Effivity software included
  • Academy training included

Clients include

  • Allianz
  • Emirates Flight Catering
  • Etihad Rail
  • Haier
  • Whirlpool
  • Emerson
In short

PCI DSS compliance in South Korea at a glance

Two South Korean instruments bear on PCI DSS. Not one of them names it. So why do buyers in South Korea keep asking for evidence of it?

PCI DSS compliance in South Korea is driven by the card brands rather than a statute. The PCI Security Standards Council overview says compliance is enforced by the payment brands, each with its own programme, and that questions go to the acquirer. The Electronic Financial Transactions Act and the Personal Information Protection Act run alongside, with an information security officer duty and safeguards for personal information, but neither names the standard. Merchants, payment service providers, platforms and exporters selling by card are typical applicants. Validation is by a Qualified Security Assessor or self-assessment, as the brands and your acquirer require. Sterling's Tokyo office helps with scoping, segmentation, control implementation and evidence, with Effivity and Sterling Academy included with the engagement. Sterling does not validate compliance; your acquirer and assessor decide what is needed.

The need

Who needs PCI DSS in South Korea, and what happens without it

These are the organisations in South Korea that most often need to show PCI DSS.

  • Merchants accepting card paymentsPCI SSC says each card brand runs its own compliance programme, enforced by the brands.
  • Payment service providers and processorsQuestions about validation go to the acquirer, according to the PCI SSC overview.
  • E-commerce and platform businessesElectronic financial business duties and personal information safeguards apply alongside the card programmes.
  • Exporters selling to overseas buyers by cardForeign card brands apply their own programmes to merchants taking their cards.

Not sure which of these applies to you?Answer a short set of questions and your readiness report arrives by e-mail.

Take the PCI DSS readiness check
Requirements

PCI DSS requirements in South Korea

Strip away the vocabulary and PCI DSS asks any business that stores, processes or transmits card data to comply in six areas.

You know where card data livesThe cardholder data environment is scoped, data flows are mapped and the environment is segmented where possible.
Networks are protectedNetwork security controls restrict traffic to and from systems that handle card data, and configurations are hardened.
Stored data is minimised and protectedOnly the card data you need is kept, sensitive authentication data is not retained after authorisation except under issuer rules, and the rest is protected.
Access is restricted and authenticatedAccess to card data is limited to people who need it, with unique IDs and multi-factor authentication where required.
Systems are logged and testedActivity is logged and reviewed, vulnerabilities are scanned and patched, and penetration testing is carried out.
Policies and people keep it runningSecurity policies, staff awareness, vendor management and incident response keep controls working between assessments.

In South Korea these six sit alongside the local laws and regulations listed under drivers below; one system can evidence both. The detail is on the global hub: PCI DSS explained →

How Sterling gets a South Korean company compliant with PCI DSS

How to achieve PCI DSS compliance in South Korea

One team from the Tokyo office carries the work from scoping to sign-off. Clients across South Korea are served from Sterling's Tokyo office, on-site where the work needs it and remotely otherwise.

  1. Discovery call and scopeEntities, locations, regulators and target date, agreed before any proposal.
  2. Gap assessment against PCI DSS and the South Korean requirements that apply to youControls you already run for your regulators and customers are reused, not rebuilt.
  3. Your system built with your team in EffivityRisks, controls, evidence, incidents and reviews in one live system the auditor can see.
  4. Internal audit, management review and corrective actionsYour internal auditors trained by Sterling; the evidence proven before any external review.
  5. Reviews by regulators, customers and auditorsSterling supports the reviews your regulators, customers and auditors run.
Included in every engagement
  • End to end, from one team
  • Effivity ISO & GRC software
  • Preferential Sterling Academy access, with complimentary awareness training for your people
  • Internal auditor training for your audit team, as applicable to your standard
  • Vulnerability assessment on ISMS engagements

The Sterling Promise: 100% on-time completion, 100% success, 8,100+ client engagements.Sterling does not certify. Certification decisions stay with independent bodies.

Time

How long does PCI DSS compliance take in South Korea?

There is no standard duration: it depends on your scope and on how much of the system already runs. In South Korea these are the factors that set the timeline.

  • Merchant or service provider level set by the brands and acquirer
  • Cardholder data environment scope and segmentation
  • Existing network and access controls
  • Assessor scheduling around the Seollal and Chuseok holiday periods

Sterling agrees a dated plan with you on the discovery call, once the scope is known.

Cost

How much does PCI DSS compliance cost in South Korea?

The cost has two parts: the consulting work to build and prove the system, and any external assessor’s fees, which are quoted separately. In South Korea these factors move both.

  • Size of the cardholder data environment
  • Remediation of gaps found
  • Assessor fees quoted separately from consulting
  • Integration with ISO/IEC 27001 work

Sterling gives one customised, all-inclusive proposal after the discovery call, never before the scope is agreed.

Choosing a partner

PCI DSS consultants and assessors in South Korea

Two different organisations are involved. A consultant helps you build the system and prove it works; your regulators, customers and auditors then audits or assesses it and decides. Keeping the two separate is what makes the result credible to buyers and regulators.

  • Check that the body’s accreditation or approval covers PCI DSS and your sector, and that its certificates can be verified online.
  • Ask the consultant how the local requirements in South Korea are mapped into the same system, so nothing runs twice.
  • Ask for client references in your sector; Sterling’s client letters are available on request.
  • Agree who owns the evidence and the tool after the engagement; with Sterling the system stays yours, in Effivity.

    Laws and regulations that drive PCI DSS in South Korea (3)

    InstrumentHow it treats the standard
    PCI Security Standards Council overviewScheme rule
    Compliance is enforced by the card brands, each with its own programme, and questions go to the acquirer.
    Electronic Financial Transactions ActDoes not name the standard
    Appoints a chief information security officer for electronic financial business.
    Personal Information Protection Act, Article 29Does not name the standard
    Requires safeguards including an internal management plan and access records.

    Accreditation, audit language and remote audits in South Korea

    Compliance validated by a Qualified Security Assessor or by self-assessment, as the card brands and your acquirer require. Sterling prepares the environment, scoping and evidence but does not validate. No assessor is named here unless its status has been verified with the PCI Security Standards Council. Edition and transition details: PCI DSS hub →

    Audit language

    Agree the assessment language and the language of reports with the assessor and your acquirer; reports for brands are normally in English.

    Remote and on-site

    Your acquirer and assessor decide how evidence is gathered; systems and facilities in scope are normally reviewed on-site or remotely.

    PCI DSS in South Korea: questions clients ask

    Who enforces PCI DSS compliance in South Korea?

    The card brands. The PCI Security Standards Council overview says compliance is enforced by the payment brands, each with its own programme, and that questions go to your acquirer. The standard is not enforced by a Korean statute reviewed here, so your acquirer is the first source for what you must validate.

    Do Korean financial laws cite PCI DSS?

    The Electronic Financial Transactions Act and the Personal Information Protection Act texts reviewed do not name it. They set their own duties, including an information security officer and safeguards for personal information, which run alongside card programme rules. Confirm with counsel or your regulator how they apply to your payment flows.

    Do I need an assessor or can I self-assess?

    That depends on your merchant or service provider level and what your acquirer and the brands require. Some businesses validate by self-assessment, others through a Qualified Security Assessor. Ask the acquirer which applies, then scope the cardholder data environment before you commit to a route.

    How can I reduce PCI scope?

    By keeping card data out of your systems where you can, for example through tokenisation or a hosted payment page, and segmenting what remains. A smaller cardholder data environment lowers the controls and evidence required. Agree the scope with your acquirer before relying on it.

    Read more

    More on PCI DSS for South Korean organisations

    Explore

    Other standards South Korean businesses ask Sterling for

    Organisations in South Korea often combine PCI DSS with one of these, under one management system where the scopes allow.

    All 22 standards Sterling delivers in South Korea →

    Next step

    Start with a free discovery call from the Tokyo office

    A Sterling consultant goes through your entities, your regulators and your target date with you. No proposal until the scope is agreed.

    Sources

    1. PCI Security Standards Council overview — listings.pcisecuritystandards.org (accessed 8 Oct 2026)
    2. Electronic Financial Transactions Act — elaw.klri.re.kr (accessed 8 Oct 2026)
    3. Personal Information Protection Act, Article 29 — elaw.klri.re.kr (accessed 8 Oct 2026)

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