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PCI DSS readiness and penetration testing
PCI DSS is the global security standard for protecting payment card data, maintained by the PCI Security Standards Council. It applies to any organisation that stores, processes or transmits cardholder data, or can affect its security.
Overview
In plain English
Version 4 introduced new requirements, many of which were future-dated and became effective on 31 March 2025. Good scoping — keeping card data in as few systems as possible — reduces cost and effort.
Instruments covered
- Payment Card Industry Data Security Standard (PCI DSS) v4.0.1
Key requirements
What PCI DSS expects
Scoping
Identify every system that stores, processes or transmits cardholder data, or connects to those systems.
Network security controls
Segment and protect the cardholder data environment.
Protect stored account data
Minimise storage and protect stored data with strong cryptography.
Vulnerability management
Keep systems patched, protect against malware and develop software securely.
Access control
Restrict access by business need, identify users and use multi-factor authentication.
Logging and monitoring
Log and monitor all access to system components and cardholder data.
Regular testing
Perform vulnerability scans and penetration testing, including segmentation testing.
Policies and programmes
Maintain an information security policy and a security awareness programme.
How TrustNet helps
From gap to evidence
- Scoping and data-flow mapping
- Gap assessment against PCI DSS v4.x
- Penetration testing and segmentation testing
- Remediation guidance and retesting
Official sources
Aligned with, not endorsed by any regulator. This page is a plain-English summary for awareness — confirm obligations against the latest official circulars or with your compliance officer.
Services mapped to PCI DSS
Compliance & Risk Advisory
Gap assessments, policies and playbooks aligned with RBI, SEBI CSCRF, CERT-In, IRDAI, PCI DSS and DPDP.
Learn more about Compliance & Risk Advisory →Cloud & Application Security
Secure your AWS, Azure and GCP setup, APIs, containers and software delivery pipeline.
Learn more about Cloud & Application Security →FAQ
PCI DSS FAQ
Are you a QSA?
We help with readiness, testing and remediation. Formal assessments that need a Qualified Security Assessor are done by a QSA; we will say clearly who signs what.
What changed in PCI DSS v4?
Version 4 added and updated requirements, including stronger authentication and targeted risk analyses. Future-dated requirements became effective on 31 March 2025.
How can we reduce PCI scope?
Tokenisation, hosted payment pages and network segmentation can reduce the systems in scope. We help you design for less scope.
Book a consultation
Get PCI DSS-ready
We assess where you stand, close the gaps and prepare the evidence your auditors and regulator will ask for.
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