Our Mission
We exist to help organisations detect account misuse, behavioural anomalies, and fraud before it becomes a breach. Modern threats move fast, evolve constantly, and exploit gaps in traditional monitoring tools. Our mission is to deliver intelligent, real-time protection that is proactive, explainable, and built for the complexity of today's digital environments.
We believe fraud detection should be accurate, transparent, and effortless — not noisy, reactive, or slow.
Who We Are
A company built on technical depth and financial governance. Our founders bring together two disciplines that rarely meet: professional-grade engineering and high-integrity financial governance. This combination shapes everything we build — from our detection models to our risk frameworks.
Raj Sathyavarathan
Co-Founder & Chief Technology Architect
Raj brings more than two decades of experience designing secure, high-availability systems across financial services, payments, and enterprise technology. He has led major engineering initiatives at organisations including Sage Pay, Westpac, Suncorp, and GBST.
- Distributed systems
- Secure payment architectures
- Behavioural analytics
- Cloud-native, scalable platforms
Raj's background gives the company deep technical strength in building fraud-resilient systems capable of processing high-volume, high-risk environments with precision and speed.
Kavunthy Thambiyah
Co-Founder & Chief Risk & Governance Officer
Kavunthy brings over 20 years of experience in financial governance, compliance, and operational risk across Queensland government agencies and multinational organisations. Her career includes senior roles at:
- Electoral Commission of Queensland
- Queensland Shared Services
- Arts Queensland
- Queensland Health
- Nestlé
Her expertise ensures our platform aligns with real-world financial controls, audit requirements, and regulatory expectations — making our detection models not only intelligent but trustworthy.
Our Story
Raj and Kavunthy founded the company after witnessing the same problem from two different angles.
Raj saw how legacy fraud systems struggled to keep up with modern behavioural patterns, often reacting too late or generating overwhelming false positives.
Kavunthy saw how organisations were forced to rely on manual checks, outdated controls, and fragmented data — leaving them exposed to subtle but damaging anomalies.
They realised the industry needed a new approach: a platform that combines machine learning, behavioural analytics, and financial-grade governance to detect anomalies early, accurately, and with full explainability.
Their shared vision is a world where fraud detection is not a burden, but a seamless, intelligent layer of protection.
What We Do
Real-time fraud & anomaly detection. We provide a platform that continuously monitors account behaviour, user activity, and transactional patterns.
We identify:
- Account takeover attempts
- Suspicious behavioural anomalies
- Fraudulent transactions
- Privilege misuse
- Insider threats
- Unusual access patterns
Our detection engine is built on:
- Behavioural modelling
- Machine learning
- Risk scoring algorithms
- Explainable AI
- Automated alerting & workflows
We focus on precision, speed, and clarity — so organisations can act confidently and reduce risk without drowning in noise.
Our Values
The principles that guide everything we build.
Integrity
We build technology that organisations can trust — grounded in transparency, accuracy, and ethical data use.
Security First
Every design decision prioritises protection, resilience, and secure architecture.
Explainability
Fraud detection should be clear, not mysterious. Every alert comes with context and reasoning.
Innovation
Threats evolve. So do we. Our platform continuously adapts to new patterns and behaviours.
Partnership
We work closely with organisations to understand their environment, risks, and operational needs.
Why Organisations Choose Us
We help businesses stay ahead of fraud, reduce operational risk, and protect the integrity of their accounts and systems.
Our Vision
To become the most trusted intelligence layer for fraud and anomaly detection — empowering organisations with technology that is smarter, faster, and more transparent than anything available today.
Get in Touch
Want to learn more about how Synexium can protect your organisation? We'd love to hear from you.