Listening → Empathy → Critical Thinking → Reasonableness
- Security is a mindset.
- Reasonableness is a balance.
- Effective communication builds on Reasonableness
- Let the numbers do the talking
We are experts in FAIR cyber risk quantification
- We measure the reasonableness of cyber security investment
- We calculate ROI to prioritise your cyber security investment
- We prioritise the remediation plan from penetration testing based on ROI
- We calculate the loss reduction from your cyber security controls
Apply decision science in cyber security and AI Safety budgets
Proportionality

Benchmark cyber risk among business risks
- Review cyber threat
- Benchmark current security processes
- Develop cyber maturity roadmap
- Review insurance coverage limit
Consuming Good Risks
- Consume Good Risk = Business Growth
- Stay Within Risk Appetite = Guard Rail
- Manage Cyber Risk under ERM (NISTIR 8286)
EVENTS
Our events offer a unique platform for attendees to connect with our industry experts and peers, share insights, and gain valuable knowledge on the latest trends and technologies in the field.
case study
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meet our team
Denny Wan
Denny Wan is a recognised expert in the Open FAIR risk quantification standard, a member of the FAIR Institute standards committee tasked with driving innovation of the FAIR standards and winner of the FAIR Ambassador Award in 2024. He is also named as the winner of the “2024 Cyber Security Professional of the Year – Professional and Financial Services award”. Read More >>
schedule a call with our team
Future Proof your Business
We combat cybercrime on the front line.
Reasonable Security offers….
our process
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