Cyber Resilience | Adversarial Assurance | Critical Infrastructure Defence
Initialize SequenceThe Mandate
> Security is not a product. It is Engineered Sovereignty.
To architect sovereign defence capabilities for critical infrastructure, transitioning from legacy dependence to threat-led independence.
Assurance through Aggression. We do not wait for the audit. We validate defences through continuous adversarial simulation and rigorous chaos engineering.
Confidential Sovereign Entity (Resources Sector). Designing the "Sovereign Edge" to protect critical OT assets in a high-threat geopolitical environment.
Operational Status
- Availability Limited / Retained
- Current Focus Project Phalanx [Dev]
- Location Johannesburg, ZA
Project Phalanx
A sovereign Command & Control (C2) interface for SME defence. Phalanx integrates Dynamic Asset Inventory, CPE-based Vulnerability Graphing, and NIST/CIS Governance into a single, deployable war room.
- Asset-to-Vulnerability Correlation (CPE Mapping)
- Integrated GRC (NIST / CIS / Zero Trust)
- OSINT Threat Intel Aggregation & News Feeds
- Secure Identity Core (RBAC + MFA)
- Integrated Incident Response Command Centre
> ASSET_GRAPH: ONLINE
> VULN_FEED: SYNCED
> MFA_GATE: LOCKED
> IR_COMMAND: DEPLOYED
> SME_CYBER_COMMAND: NOMINAL
// The Dossier
Valterra
Feb 2025 - Present
Valterra
Feb 2025 - Present
Senior Specialist: Cyber Resilience
Architecting sovereign defence capability for a R400bn mining giant post-demerger. Responsible for the convergence of critical OT and IT assets against APTs.
- Designed "Fusion Center" TOM for sovereign independence.
- Engineered Policy-as-Code gates for CI/CD pipelines.
- Established "Purple Loop" active defence validation.
Anglo American
May 2024 - Jan 2025
Anglo American
2024 - 2025
BISM: EMEA, Australia & APAC
Directed Cyber Governance across three continents. Secured high-value industrial assets during aggressive M&A and divestitures.
- Led security due diligence for cross-border M&A.
- Hardened OT perimeters across Australian mining sites.
- Navigated China Cyber Security Law & GDPR compliance.
Catalisto LLC
2021 - 2024
Catalisto LLC
2021 - 2024
Principal Cybersecurity Architect
Delivered sovereign capability development for Ukraine & Balkans energy sectors. Engineered proprietary SOC stacks and nation-state defences.
- Architected resilience for Ukraine energy operators.
- Engineered proprietary Open Source SOC (Wazuh/ELK).
- Led "Cyber Warfare" training for Developing Countries Civilian Operations.
ACDS
2014 - 2021
ACDS
2014 - 2021
President & Chief Architect
Engineered strategic turnaround from deficit to R20m valuation. Pivoted business model to high-margin MDR and Offensive Security.
- Scaled Managed SOC capacity by 2500% via SOAR.
- Served as "Breach Commander" for live ransomware events.
Encrypted via Proton Drive
Establish Comms
Secure channel open. For sensitive transmission, encrypt using the public key.
-----BEGIN PGP PUBLIC KEY BLOCK----- Comment: 56A2 BF3F AF54 BE58 3F4F 1AEA 56DA 6DB5 96AD FCD5 Comment: Andrew ChesterxsFNBGltGwUBEAC6WvbI2qrYf4WN2EGoD0paOaEPzdNvd/TvOVVwHElNq3tDmxcV 7tUc2ybFv6k7zxEdiiLyXi936IzHB/Ezhbqh+bUsEQICcaDQcyIeUFxs5HQKPmeS Hlyr98W7L5ak8XL0MbeafM99UDxR3S2uUmHSQTqDvR8d85Oym/wxpWBNnAL8CNnM n83iOUkNjdvZqgBrP3BDiQHSIJIkdfew4m2wxnwoxZIdoHabwNIhnNNf2dpXz3sX d6CDnxR268FM671+HtGtrXwISFTdz8B9+q+5WT1Lky6iiZLEUrPRWOoSJWplKvGK AAGqRDebjk/1pza8/XEio04wLDAAPTkf85AQpJKHzHgTtO38NymzIxIIq3xg279+ Jqh+kjD3XKZix0fsQzeIHOEPymki/P7Wf6VissxdnBM5fA3M6OqwIBov2uX3tpvQ OAgVzqogrUZWMr72aDI8kSn2CHS2AY/fnyrUT5pf9Us2HX/nnu0v3eZyJevySTEL 3uT/lejdoEAPKxHPvTHpGJxeEgqhJe4RsRTI0kRdhxxSfcj3WhkUTopflIwz5L1p uHee9fujjyi50U1yijH2P9R5xvANU36MtVTZqJ3TJqlcQ9MX3MxRaQjrnN8UZau9 En8DLtuiCCQy1sLiwNqLJcgKUANalMHTbhIzinl+Pbq27Ld19zQ7mAgr+wARAQAB zSdBbmRyZXcgQ2hlc3RlciA8Y2hlc3Rlci5kcmV3QGdtYWlsLmNvbT7CwZQEEwEI AD4WIQRWor8/r1S+WD9PGupW2m21lq381QUCaW0bBQIbAwUJB4YeGAULCQgHAgYV CgkICwIEFgIDAQIeAQIXgAAKCRBW2m21lq381RLeEACUVv18Di1yKWeOapKtN4/O Ux8eWl9KVqDxq15s63Uhynn8BWKDsS+bG+xfXyPapy2i28jFU5bXvr3T30LOSx7j Ycmw6npZSi5cFP96sYn9M4GV1GY7uY6VS/gRbQkTADfQeVqRWb+ExT8TTJyibqx8 S02b9eXgdUspcXuoVjnHtBy+F8KnnlZSH1xqwuyORo4FwpODeuSqs8wjPRsxZ3sP QBo5mU9IMdM8y8B8CkkKZdTNrm36MWjCpEYeHif0GTpDi0hKKs9Gi/WW/qno9cgP lFRXtKcBYnejp4bTc+vTNPhUhgwLGcyrOGIEx/6DZAXT0JDkW64mjivLdIa7XOzP eZL+ODafXxQhNsfIZ37IeFDScTyC4Lgk12ueK7T1njM19I09TQhpsh07OQXbajlb mwCijpxRBX1z/yRAYObAwXRivfIZE+ZT7tlRbhs8VmUZwJ4c5UIuCiXhwcaA4/VM 3Q4hy5z/LkfVbo5vz7jIZVgykWvv5BwcvrmwvGp/+ZVy2C+64MT7e70jeXkROIoq B7IYJByp+fFStgrTQUPUjtb3ocjCPmZLSxFT0goyNHow0heoNqCk+A09o6yqGqCb K33OnOIo4s6dnBI3S4gi7Em4nBCbjk/JEtAXtj7fZbxsHOq7upMQXvir2l7a64Ap irq77KxkC99Dn3qIVw/Sp87BTQRpbRsFARAAolB297SYTVf3O5WNAUwGZ0Ar8EB7 i5nb6xLqCwkHhiav4Cjc3xWv0UNRMlHJ91ipodKMvFYCLI+U4vGPbGNMrRB5qD5R lNjA5W6QR8PBLOJn2gpG3FTvpCpKSeDuLULv7ZbirdxzFkHimhDngxLQo+ZcPcAh /OoSuLJO9HmNL/4XRUHsv5bciPbp2VgETiPU0QinLWGpK+TU6Nq5lQ2nI9ASWzBM jx8Lc+SO5KNZdzXk1lyrN77LEdWAnvVHmmTG/2MetAMa+Rxooch+1kfoyPDE25AA t2r+DspUNotV7jfIucgK7OiFrOfD8fZX80dUxW4qD/cK5XsigF0AALWx51DKsTVa Ee0mCN67WTu+HJ7jLcpDqA8h+VL2R0/a9fgPMn3xJLn/6uKzsistr4TwJI6mz6TR H6YJ/jDg7ccjx6A9WPK+sWy9n2q9Z/DHQABdf+0S7pJ/bHIYmi8UGooxbW5XohC7 fPGHNe8NO3AZ+XZi/Gp6Sp38ycb7mqOihTj/07FSeSR926+aC5ag/LbIBajpVAD3 R3B/ng/D6BVrNZhUMdk6Q5lINiCQ7dzG5CK70IiRo2FnODk0RkJZdpqMwEf+/5s3 u5zGopNgrJ8AQD26/rBSJCepFY0p9VrybXZ6k0M+kDGUFbvgMBUQu/uNDrxjwxyW OgL0BNlHJq/q428AEQEAAcLBfAQYAQgAJhYhBFaivz+vVL5YP08a6lbabbWWrfzV BQJpbRsFAhsMBQkHhh4YAAoJEFbabbWWrfzVaA8P/1PgqyQJrmkvwDHMTHuQue1m RhKtGAAkLIfD2Er8usfP/gM2WUHrynlWEA+Y2BO87JfUgxEfXGr91+gLkyKTIcfu ORl+yJGX3oMdIEeWkqr7QM9m+W+nFnFXLDE6bzUz4oxyp6o+/JKz5qAqRufcThU5 NRnS0LD/1csX2cAf38JNBLJOgURqbu/ODEUYlzTU9t0RrxVyRUEDjfehA1R0JT+O W6hclpobihtt71r6iTV/ScM5/W509wruBVkCvQfeyPlA+YyUwPXcMJVVqmF8m8RE txoVFnUmopUWuCOqD8ZZ91N9VfcgAHlE07wTF6CzZ6p5eDGv3iEHO6FWNKa6BpBj C29nHdJrJzVZqxJEgrDLEXyTxG/I7u3XiEnV7itDyAfpu1RxraztpNjvL/nxcQAg Rnixiji2/HV5ZPfo0uWoSkDsAlGjA10JVxdgXNiXC24HTKNlalGW9sOjlAhfotcv tir8LzmNKQVjJt28QDNUqYYB/OrN4lMvKJSqL4nuLAa0CDArkZM/RNrxQbzCDkWh RACZUiBAWCJ61T4MXAq7V+1BRyP2IgI6yA2UK/FskZW2FoPWK3IyQVwfbJA7m0dg 4tGPuPHLRcB0XmdmnCAKgNBYWn+iK11VzFJSwZqF+ru718mrdlPvj2P0u1pQKRMM 9ttSQvLxBduyeOxC7tUZ =4EHp -----END PGP PUBLIC KEY BLOCK-----