Secure Git for Sensitive Projects
Version‑control strategy for high‑trust environments: defensible commits, secret hygiene, reproducibility.
Technologist
Operating at the nexus of software engineering, cyber security, and digital ethics.
Security‑first
DFIR
Python • Rust/Go • JS
Human‑centric
Executive Snapshot
- Secure Systems Engineering • Digital Strategy & Intelligence • Human‑Centric Security
- MSc Computer Science • BSc Psychology
- Builds resilient tools; ships under constraints; communicates with clarity
Selected Work
Python for Forensic Tooling
Rapid evidence parsing with tests and SSDLC guardrails; small tools that do one thing well.
High‑Performance Systems with Rust & Go
Where reliability meets speed: choosing the right runtime and memory model for the job.
Agile LE Tool Development
Adapting agile to constrained, sensitive domains—balancing necessity, proportionality, and delivery.
More context
Each item includes constraints, trade‑offs, and outcomes. Contact for deeper technical walkthroughs and code artifacts where appropriate.
Writing
The Chimera Doctrine
Notes on hybrid threats and the strategic edges where technology meets statecraft.
The Convergent Edge
Visualising convergence: data, influence, and infrastructure.
Weapons of Character
Investigating non‑standard character exploits and string‑based risks.
About
I build resilient, human‑aware systems. My background blends Computer Science (MSc) with Psychology (BSc), informing a security‑first, proportionate approach to engineering.
Operate
- Threat modelling & SSDLC
- Incident‑aware delivery
- Agile under constraint
Build
- Python • Rust/Go • JS
- Docker • IaC fundamentals
- Data pipelines & dashboards
Secure
- DFIR & reverse engineering basics
- Secure Git & secret hygiene
- Network & app security
Decide
- Proportionality & ethics
- Trade‑off driven design
- Clear stakeholder comms
Contact
Best way to reach me: callansmithmacdonald@gmail.com
security.txt (responsible disclosure)