Fintech cybersecurity compliance in Singapore is not optional, and it is more demanding than many founders and CTOs expect. MAS regulates Singapore's fintech sector through multiple overlapping frameworks — the Technology Risk Management Guidelines, MAS Notice 655, the Payment Services Act cybersecurity requirements, and sector-specific guidance for different licence categories. This guide consolidates the key requirements into a practical compliance roadmap for Singapore fintechs at every stage of growth.
Which MAS Frameworks Apply to Your Fintech
The specific MAS cybersecurity requirements depend on your licence type:
Payment Services Act (PSA) Licensees
All PSA licence holders — including Major Payment Institution (MPI), Standard Payment Institution (SPI), and Money-Changing licensees — must comply with MAS Technology Risk Management Guidelines and MAS Notice PSN02 (Cyber Hygiene for Payment Service Providers). The requirements scale with licence class: MPI licensees face more extensive obligations than SPI licensees.
Capital Markets Services (CMS) Licensees
CMS licensees must comply with MAS TRM Guidelines in full, including annual penetration testing, privileged access management, and incident reporting within 1 hour of discovering significant incidents.
Digital Banking and Insurance Fintechs
Digital full bank, digital wholesale bank, and digital insurance licence holders face the most comprehensive MAS cybersecurity requirements — aligned with bank-grade TRM expectations, not startup-grade baselines.
MAS TRM: Key Technical Requirements for Fintechs
The MAS Technology Risk Management Guidelines (January 2021) are the primary technical standard for Singapore fintech cybersecurity. Key requirements:
Annual Penetration Testing
All MAS-regulated fintechs must conduct penetration testing of critical systems and internet-facing applications at least annually, and after significant system changes. Testers must hold recognised certifications — CREST is the benchmark. Critically, any firm conducting VAPT for your Singapore fintech must hold a CSRO (Cybersecurity Service Provider Regulation Order) licence from CSA — the legal requirement for penetration testing service providers under Singapore's Cybersecurity Act. Engaging an unlicensed provider creates regulatory exposure that surfaces during MAS examination.
Access Control and PAM
MAS §9 requires MFA for all privileged access, just-in-time access provisioning for administrator accounts, and session recording for privileged sessions on critical systems. For fintechs, this typically means implementing PAM controls for cloud console access (AWS root, Azure Global Admin) and database administrator access.
Security Monitoring
24/7 monitoring of critical systems with documented escalation procedures. Log retention for at least 12 months (online) plus extended archival. For early-stage fintechs without internal security teams, engaging a CSRO-licensed MDR or SOC-as-a-service provider satisfies this requirement at manageable cost.
Incident Management and Reporting
MAS requires significant technology incidents to be reported within 1 hour of discovery. "Significant" includes: system outages affecting customer transactions, successful cyberattacks, and data breaches. Build your incident response plan before a breach occurs — including a CSRO-licensed IR provider on retainer.
Third-Party Risk Management
All material outsourcing arrangements and technology vendors must be assessed, monitored, and managed under a documented third-party risk framework. This includes cloud providers, payment processors, and software vendors with privileged access to your systems.
MAS Examination Reality
What MAS Examiners Actually Look For
MAS technology risk examinations focus on documentation, evidence, and demonstrated process — not just the existence of policies. Examiners want to see: VAPT reports from CREST-accredited, CSRO-licensed providers; evidence of remediation; access control review records; training completion logs; and incident response test results. Start collecting this evidence from Day 1 of operations.
MAS Notice 655: Mandatory Cyber Hygiene
MAS Notice 655 (effective 6 August 2020) applies to all financial institutions and mandates five specific cyber hygiene controls:
1. Strong Authentication
MFA mandatory for all administrator accounts and all remote access. For customer-facing payment systems, strong customer authentication requirements align with industry standards.
2. Patch Management
Critical patches deployed within 14 days of release. All software patches deployed within 30 days. End-of-life systems that cannot receive patches must be isolated or decommissioned.
3. Anti-Malware
Anti-malware (including EDR) deployed and updated on all systems. Automatic update of anti-malware signatures required.
4. Network Perimeter Defence
Documented network security architecture with firewalls, IDS/IPS, and network segmentation. Regular review of firewall rules.
5. Employee Awareness
Annual security awareness training for all staff. Phishing simulation exercises to test and improve employee security behaviours.
Building a MAS-Compliant Security Programme
For Singapore fintechs building their security programme from scratch, a practical sequence:
- Month 1–2: Implement Notice 655 controls — MFA everywhere, EDR, patch management process, basic security training
- Month 3–4: Conduct initial VAPT with a CREST-accredited, CSRO-licensed Singapore provider. Remediate critical and high findings
- Month 4–6: Implement security monitoring — MDR from a CSRO-licensed provider or SIEM with internal SOC
- Month 6–9: Document your third-party risk management framework and conduct initial vendor due diligence
- Month 9–12: Conduct a formal MAS TRM gap assessment to identify residual gaps before your first MAS examination
- Ongoing: Annual VAPT, quarterly phishing simulations, semi-annual access reviews, continuous security monitoring
Preparing for MAS Technology Risk Examination
MAS conducts thematic and entity-specific technology risk examinations. Common requests include:
- Most recent VAPT report — confirm your provider is CREST-accredited and CSRO-licensed
- List of privileged accounts and access review evidence
- Incident response plan and evidence of testing
- Third-party risk register and due diligence evidence
- Notice 655 compliance evidence for all five control categories
- Security awareness training records
Infinite Cybersecurity provides end-to-end MAS fintech cybersecurity support — from Notice 655 compliance to annual VAPT, gap assessments, and examination preparation. Our CREST-accredited, CSRO-licensed team has experience supporting Singapore fintechs through MAS technology risk examinations. Explore our MAS compliance services or contact us for a free compliance gap assessment.
Ready to Secure Your Fintech?
Our CREST-accredited, CSRO-licensed Singapore team delivers complete MAS fintech cybersecurity compliance — from VAPT to examination preparation.