Cybersecurity Strategy Consulting and Project Management for an airline that was in its start-up phase in the Middle East on behalf of Accenture.
My duties included the following:
- Leading the Cyber GRC project to build the cybersecurity function for an aviation client, filling a critical security gap and laying groundwork for sustained cyber resilience.
- Developing and implementing a cybersecurity strategy and roadmap aligned with ISO 27001 and region-specific regulations.
- Executing a specialised threat profiling exercise, developing a unique threat landscape and identifying risks and vulnerabilities specific to the aviation sector.
- Creating a detailed cybersecurity strategy and roadmap with an executive summary, ensuring alignment with client objectives and clarity for C-suite stakeholders.
Key outcomes included:
- Established a cybersecurity function from the ground up, giving the client a formal security posture where none previously existed.
- Reduced organisational risk exposure by identifying aviation-specific threats before they could be exploited.
- Positioned the client for long-term cyber resilience rather than reactive, ad hoc security responses.
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I recently completed a security hardening pass on an AI-enabled mobile product.
The most important issues weren’t exotic vulnerabilities.
They were practical deployment risks:
password reset race conditions
missing abuse controls
weak retention guarantees
mobile backup exposure
logging and CI gaps
Each confirmed finding was fixed and backed by regression tests before the security baseline was marked PASS.
One lesson stood out: security reviews are most useful when they produce evidence and actionable fixes, not just scanner output.
I’m now offering focused 24-hour AI Agent Security Mini-Audits for founders and small teams.
https://contra.com/s/2Z7YgYXU-ai-agent-security-mini-audit?r=guillaume_strohecker_6m06cchc
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I designed and built an AI system guardian focused on operational health, memory, security, resource monitoring and controlled deployment decisions.
The system evaluates runtime conditions, identifies risks, records supporting evidence and provides clear hold, approval or rejection decisions before sensitive changes proceed.
I led the product architecture, monitoring workflows, decision controls, frontend, backend and testing.
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![Cover image for Infrastructure security hero concept [alternative version]](https://media.contra.com/image/upload/q_auto:good,w_800/yh8uimqktdzkvjkzdjjw.avif)
Business Analyst for a Government client on behalf of Accenture. Supported the delivery of a data warehouse programme aimed at centralising data, improving reporting capabilities and enabling data-driven decision-making across multiple departments. Worked closely with business and technical stakeholders to define data requirements and ensure alignment with strategic objectives.
My duties included the following:
▪ Led requirement gathering activities to capture data, reporting, and analytics needs through stakeholder interviews, workshops, and process analysis.
▪ Facilitated workshops with business users, data engineers and architects to define data sources, data flows and reporting requirements.
▪ Produced detailed documentation including business requirements documents (BRDs), data requirements, data mapping specifications, and user stories.
▪ Collaborated with technical teams to translate business needs into data models, ensuring clarity on data definitions, transformations, and quality rules.
▪ Translated business needs into structured user stories and acceptance criteria, supporting agile delivery and ensuring traceability from requirements through to implementation.
▪ Managed RAID logs and supported programme governance by tracking risks, dependencies, and data-related issues.
▪ Supported UAT by defining acceptance criteria, validating outputs, and ensuring delivered data aligned with business expectations.
Key outcomes included:
Key outcomes included:
▪ Delivered clearly defined data and reporting requirements, enabling the successful design and implementation of the data warehouse.
▪ Improved data consistency and trust by standardising data definitions and aligning stakeholders on a single source of truth.
▪ Strengthened delivery alignment by linking use cases and user stories directly to technical outputs, reducing ambiguity and rework.
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Mobile Security & Privacy Hardening
Security hardening focused on mobile platform protections and privacy-preserving behavior.
Android application backup was disabled to reduce risk around locally stored session material, and release builds were hardened to block cleartext traffic while keeping local development support isolated to debug/profile builds.
The review also verified that BLE remains anonymous, one-sided interest stays private, precise coordinates are not exposed publicly, and Social Heat remains aggregate and threshold-gated.
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