Three-Domain Secure (3DS)

Three-Domain Secure (3DS) is the industry-standard protocol for authenticating online card payments, helping protect your business and your customers from fraud. At MegaplanIT, we guide businesses through the implementation and management of 3DS, ensuring your payment processes are secure, compliant, and optimized for success.

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Protect Your Business from Card-Not-Present Fraud

EMV® 3-D Secure (3DS) adds a vital authentication layer to card-not-present transactions, reducing fraud and chargebacks. As a PCI SSC approved 3DS assessor, MegaplanIT helps businesses implement and validate 3DS efficiently, shift fraud liability to the card issuer, strengthen e-commerce security, and stay compliant with the PCI 3DS Core Security Standard. With MegaplanIT’s expertise, merchants gain a secure, seamless way to verify transactions and protect revenue.

Reduce Fraud and Chargebacks

Strengthen protection against card-not-present fraud by leveraging 3DS authentication, reducing chargebacks and financial losses.

Ensure that transactions flagged as high-risk are verified securely, improving fraud detection while maintaining a smooth customer experience.

Rely on seasoned PCI professionals to help you interpret 3DS requirements, streamline compliance, and stay ahead of evolving fraud threats.

What is Applicable for Three-Domain Secure (3DS)

The PCI 3DS Core Security Standard applies to entities handling key functions in the EMVCo 3-D Secure (3DS) ecosystem, including sending authentication requests, routing them, and verifying cardholder identity for card-not-present transactions. Three 3DS functions perform these tasks within a 3DS Environment (3DE): the 3DS Server (3DSS), Directory Server (DS), and Access Control Server (ACS).

3DS Server (3DSS)

Acts as the merchant’s gateway for authentication, sending requests to the issuer and receiving results to ensure each transaction is verified securely.

3DS Directory Server (DS)

Operates as the routing hub within the payment network, directing authentication requests to the correct card issuer quickly and reliably.

3DS Access Control Server (ACS)

Authenticates the cardholder on behalf of the issuer, validating identity using secure methods and returning results to complete the transaction safely.

Why Clients Trust MegaplanIT

Organization Security Certification Services

5.0

Apr 24, 2025

5.0

Apr 24, 2025

MegaplanIT: Your Ideal Partner for Smooth PCI Assessment

“When I joined my organization, there was a lack of insight and expertise into the PCI process, as the previous analyst had left. MegaplanIT was fantastic to work with through this process — they provided their security and compliance expertise to drill down into our scope, align our controls and evidence, get our documentation in order, and felt like a true partner in this process.”

Reviewer Function

IT Security and Risk Management

Company Size

3B - 10B USD

IndustryRetail

Organization Security Certification Services

5.0

Apr 24, 2025

MegaplanIT: Your Ideal Partner for Smooth PCI Assessment

“When I joined my organization, there was a lack of insight and expertise into the PCI process, as the previous analyst had left. MegaplanIT was fantastic to work with through this process — they provided their security and compliance expertise to drill down into our scope, align our controls and evidence, get our documentation in order, and felt like a true partner in this process.”

Reviewer Function

IT Security and Risk Management

Company Size

3B - 10B USD

IndustryRetail

Organization Security Certification Services

5.0

Apr 23, 2025

5.0

Apr 23, 2025

Flexibility and Thoroughness: Highlights of MegaplanIT Engagement

“I have worked with MegaplanIT for over a decade spanning two different companies and covering several engagements including SOC, PCI and NIST audits and reports. They have always been flexible in deal structure, attentive in delivery and overall a joy to work with.”

Reviewer Function

Software Development

Company Size

<50M USD

IndustrySoftware Industry

Organization Security Certification Services

5.0

Apr 23, 2025

Flexibility and Thoroughness: Highlights of MegaplanIT Engagement

“I have worked with MegaplanIT for over a decade spanning two different companies and covering several engagements including SOC, PCI and NIST audits and reports. They have always been flexible in deal structure, attentive in delivery and overall a joy to work with.”

Reviewer Function

Software Development

Company Size

<50M USD

IndustrySoftware Industry

Organization Security Certification Services

5.0

Apr 23, 2025

5.0

Apr 23, 2025

“MegaPlanIT Stands Out As A Quality QSA Partner”

“MegaPlanIT is the PCI QSA service provider for my company. As a PCI-ISA I have worked closely with them over the last two years. I have found the audit team to be very knowledgeable, professional, and fair minded.”

Reviewer Function

IT Security & Risk Management Associate

Company Size

30B + USD

IndustryTransportation

Organization Security Certification Services

5.0

Apr 23, 2025

“MegaPlanIT Stands Out As A Quality QSA Partner”

“MegaPlanIT is the PCI QSA service provider for my company. As a PCI-ISA I have worked closely with them over the last two years. I have found the audit team to be very knowledgeable, professional, and fair minded.”

Reviewer Function

IT Security & Risk Management Associate

Company Size

30B + USD

IndustryTransportation

Organization Security Certification Services

5.0

Apr 23, 2025

5.0

Apr 23, 2025

MegaPlanIt: The Driving Force Behind Successful Auditing

“MegaPlanIt is a top tier organization. Their skilled auditors are the best. They are extremely accommodating yet hold very firm to the rules by which they evaluate. We love them and are who we are partly because of them. “

Reviewer Function

IT

Company Size

3B - 10B USD

IndustryBanking Industry

Organization Security Certification Services

5.0

Apr 23, 2025

MegaPlanIt: The Driving Force Behind Successful Auditing

“MegaPlanIt is a top tier organization. Their skilled auditors are the best. They are extremely accommodating yet hold very firm to the rules by which they evaluate. We love them and are who we are partly because of them. “

Reviewer Function

IT

Company Size

3B - 10B USD

IndustryBanking Industry

MegaplanIT Organization Security Certification Services

5.0

Apr 23, 2025

5.0

Apr 23, 2025

MegaplanIT’s Impressive Contribution to Maintaining Compliance Postures

“Overall experience with MegaplanIT has been great. Everyone we have worked with has been nothing but professional.”

Reviewer Function

IT

Company Size

<50M USD

IndustryIT Services Industry

MegaplanIT Organization Security Certification Services

5.0

Apr 23, 2025

MegaplanIT’s Impressive Contribution to Maintaining Compliance Postures

“Overall experience with MegaplanIT has been great. Everyone we have worked with has been nothing but professional.”

Reviewer Function

IT

Company Size

<50M USD

IndustryIT Services Industry

MegaplanIT Organization Security Certification Services

5.0

Apr 23, 2025

5.0

Apr 23, 2025

MegaplanIT: Aiding Growth in Online Payment Platforms with Expertise

“MegaplanIT has been our PCI Audit firm for approximately 8 years. They have a tremendous amount of expertise and experience that they use for our benefit. Their guidance and investment in understanding our environment has been critical in our rapidly growing online payment platform. They show flexibility when possible and when it doesn’t jeopardize our renewal date deadline.”

Reviewer Function

General Management

Company Size

500M - 1B USD

IndustrySoftware Industry

MegaplanIT Organization Security Certification Services

5.0

Apr 23, 2025

MegaplanIT: Aiding Growth in Online Payment Platforms with Expertise

“MegaplanIT has been our PCI Audit firm for approximately 8 years. They have a tremendous amount of expertise and experience that they use for our benefit. Their guidance and investment in understanding our environment has been critical in our rapidly growing online payment platform. They show flexibility when possible and when it doesn’t jeopardize our renewal date deadline.”

Reviewer Function

General Management

Company Size

500M - 1B USD

IndustrySoftware Industry

The MegaplanIT Difference

At MegaplanIT, we’re committed to supporting every step of your compliance journey, which is why we provide these services at no extra cost:

Year-Round Compliance Support

Expert insights from MegaplanIT consultants to help you navigate system changes that could impact your PCI compliance

Policy and Procedure Development

Guidance on developing accurate and effective policies and procedures to prevent costly compliance errors

Trusted Advisory and Remediation

Proactive support to identify gaps, remediate vulnerabilities, and achieve PCI DSS compliance efficiently and confidently

Compliance Project Management

Management of assessment timeline, milestone tracking throughout the engagement, and resource coordination to facilitate on-time completion

2022-2024 PCI SSC Global Executive Round Table Announcement

MegaplanIT joins the PCI Security Standards Council’s Global Executive Assessor Roundtable (GEAR).