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Theophilus K TawiahTT
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Theophilus K Tawiah

@theophilusktawiah

IT Audit and Technology Risk professional at Nandzu Trade and General Projects who remediated five security control exceptions.

South Africa
Message

At Nandzu Trade and General Projects, I identified and remediated five control exceptions, including an active ex-employee account, shared administrator credentials, firewall rules with any-any access, and unapproved changes. I reported the results to management and introduced quarterly user access reviews and a change approval step; the next review found no repeat exceptions.

I improved access and security monitoring, reducing unauthorized access incidents by 40%. I also implemented centralised SIEM and log management, supporting audit readiness and reducing incident response time by 20%.

At VM Holdings, I reviewed IT general controls, gathered evidence and documented observations in audit working papers. My review of intrusion prevention and related security configurations contributed to initiatives associated with a 30% reduction in breach incidents.

At Depromat Consulting, I performed compliance and control-focused reviews and coordinated incident-response tabletop exercises that improved response time by 25%. I also developed cybersecurity policies and procedures and led security and compliance training for more than 50 analysts.

Experience

Work history, roles, and key accomplishments

NP
Current

Lead Cybersecurity Specialist

Nandzu Trade and General Projects

Jan 2019 - Present (7 years 9 months)

Identified and remediated control exceptions, enforced least privilege and MFA, and introduced quarterly access reviews. Reduced unauthorized access incidents by 40% and implemented a centralized SIEM, improving audit readiness and reducing incident response time by 20%.

Education

Degrees, certifications, and relevant coursework

MA

Mastermind

ISO/IEC 27701 Lead Auditor, Information Security

Completed the ISO/IEC 27701 Lead Auditor certification.

YC

YesYouCan CyberSecure

GRC / IT Audit / Compliance, Governance, Risk and Compliance

Completed a GRC / IT Audit / Compliance program.

SE

Securiti

AI & Security Governance Certified, AI and Security Governance

Earned the AI & Security Governance certification.

SU

Saylor University

Certificate in Information Security, Information Security

Completed a Certificate in Information Security in August 2025.

AC

ACCA

Diploma in Accounting and Business, Accounting and Business

Completed a Diploma in Accounting and Business.

QU

QuickBooks

QuickBooks Certified Accountant, Accounting

Earned the QuickBooks Certified Accountant certification.

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