Ronald Williams
CEO
Senior QSA, lead auditor, multi-framework engagement governance.

Field commentary, case studies, and news from 1 Sequence Cyber’s QSAs, Penetration Testers, and lead auditors.

Field commentary, case studies, and news from 1 Sequence Cyber’s QSAs, Penetration Testers, and lead auditors.
Every article is by-lined by a working consultant — QSAs, lead auditors, Penetration Testers — not a marketing team.
CEO
Senior QSA, lead auditor, multi-framework engagement governance.
CTO, Director of Operations
Platform architecture & technical strategy.
Principal QSA
PCI DSS QSA, ROC reporting, SAQ assessment.
Director of Professional Services
PCI DSS, ISO 27001, multi-framework engagement delivery.
Each article is mapped to a published framework — PCI SSC, ISO/IEC, AICPA, NIST. Citations are page-and-version specific.
Card data security for merchants, acquirers, and service providers.
0 articles published — first publishing Summer 2026
Information security management system certification.
0 articles published — first publishing Summer 2026
Trust Services Criteria attestation for service providers.
0 articles published — first publishing Summer 2026
CREST DPT methodology applied to web, infrastructure, and cloud.
0 articles published — first publishing Summer 2026
UK GDPR audits, DPIAs, and data protection programmes.
0 articles published — first publishing Summer 2026
Programme alignment to NIST CSF, ISO 27001, CIS Controls v8, SOC 2.
0 articles published — first publishing Summer 2026
Three articles in active drafting. Working titles — final headlines may shift.
By Ronald Williams
By Stephen Hancock
By Sujith MP
Roughly monthly. No marketing.
Every article is by-lined by a named consultant.
Source-cited against published standards. Reviewed quarterly for accuracy.
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