MAS TRM Cybersecurity Controls Singapore

MAS-aligned cybersecurity controls need to operate as repeatable processes, not one-time configurations. A financial institution should be able to show which systems and accounts are in scope, how access is protected, how vulnerabilities are remediated, how networks and endpoints are secured, how events are monitored, and what happens when an exception or incident occurs.

The applicable requirements vary by institution and relevant MAS Notices, but the practical control themes are consistent: reduce unnecessary access, secure privileged activity, maintain systems, detect weaknesses, protect networks, monitor events, recover from disruption and retain evidence.

The cybersecurity controls MAS TRM expects

Access management and identity

Access management and identity

Access granted on least privilege, multi-factor authentication on anything sensitive, and regular reviews that remove access the moment it is no longer needed. Privileged accounts are tracked and tightly controlled.

Patch and vulnerability management

Systems are kept current against known vulnerabilities on a defined cadence, with a documented process for assessing, testing and applying critical patches quickly.

Network segmentation

Networks are divided so that regulated systems and sensitive data sit behind stronger boundaries, limiting how far an intrusion can travel and reducing the blast radius of any single compromise.

Monitoring and threat detection

Monitoring and threat detection

Logging and monitoring across systems give early warning of unusual activity, with alerts that a responsible team actually reviews and acts on rather than archives.

As firms introduce AI into regulated workflows, these security controls should also support identity, access and governance controls for AI , covering approved users, data access, permissions and oversight.

Incident response and recovery

A documented, rehearsed incident response process defines who does what when an event occurs, how it is contained and escalated, and how services are restored — with the recovery arrangements MAS TRM expects.

Where an IT provider carries the load

Where an IT provider carries the load

Cybersecurity controls are only credible if they are operated consistently and evidenced. A compliance-aware provider runs access reviews, patch cycles, monitoring and incident drills as standing operations, so the control evidence exists before an auditor or MAS asks for it.

Identity, MFA and Privileged Access

Identity is one of the highest-value control points because compromised accounts can bypass otherwise strong infrastructure. Multi-factor authentication should be applied according to risk, particularly for remote, administrative and sensitive access. Exceptions should be documented and periodically reviewed rather than becoming permanent workarounds.

Privileged accounts need additional discipline. Administrative access should be limited to authorised personnel, separated from normal day-to-day accounts where practical, attributable to an individual and reviewed. Shared or legacy administrator credentials create both security and evidence problems because the organisation cannot reliably show who performed an action.

Patch and Vulnerability Management

Patch and Vulnerability Management

A patching process is only reliable if it knows what is in scope. Maintain an accurate inventory of endpoints, servers, network equipment and relevant cloud services, then use defined remediation priorities and exception handling. Vulnerability scans or security findings should feed a tracked remediation process with owners and target dates.

For evidence, retain coverage reports, outstanding critical or high-risk items, approved exceptions and completion records. Management should be able to see not only that patching occurs, but whether important assets are missing from the process.

Secure Configuration, Endpoints and Network Controls

Secure configuration should reduce unnecessary services, excessive permissions and insecure defaults. Endpoints should have appropriate protection, encryption and management controls. Network security should include firewall policy, segmentation where risk justifies it, controlled remote access and documented changes.

Firewall rules should have clear business purpose and ownership. Temporary rules and emergency changes should be revisited after the immediate requirement has passed. For firms using Fortinet infrastructure, Global ITN can also support FortiGate deployment, configuration and operational change control.

Secure Configuration Endpoints and Network Controls
Logging, Monitoring, and Incident Escalation

Logging, Monitoring and Incident Escalation

Security tooling produces large volumes of events, but logs only become a control when someone is responsible for reviewing or escalating relevant activity. Define which sources are monitored, what constitutes a meaningful alert, who owns triage, and how incidents are recorded and escalated.

Useful sources may include identity platforms, endpoint security, firewalls, servers, cloud services and critical applications. The exact monitoring model should reflect the size and complexity of the environment. Smaller firms may use managed tooling and defined escalation rather than maintaining a full internal security operations centre.

Monitoring should produce an operational response, not only alerts. For critical systems and important security signals, define what is monitored, alert thresholds, severity, ownership, escalation and the remedial action expected when an alert is triggered.

GlobalITN can review monitoring coverage across supported infrastructure, endpoints, networks and cloud services and help define the operating procedures and evidence needed to show that alerts are acted on. The 2026 MAS consultation proposed explicit continuous system and security monitoring expectations for critical systems, making this an important readiness area.

Backup, Recovery and Cyber Resilience

Cybersecurity controls must also support recovery. Backups should be protected from the same credentials and threats that could affect production systems where practical. Critical data and services should have defined recovery priorities and periodic restore testing.

A successful backup job is not equivalent to proven recoverability. Evidence should include coverage, failures, remediation and test results so management knows that recovery capability exists before an incident occurs.

Backup Recovery and Cyber Resilience

Evidence That Makes Controls Defensible

A control is easier to defend when the organisation can produce current evidence. Depending on the control, this may include MFA configuration, privileged-account reviews, patch and vulnerability status, endpoint protection status, firewall or network records, monitoring alerts, remediation tickets and management review.

KPOData can be used as an evidence workspace to link approved operational records to the relevant control without exposing credentials or sensitive secrets in the published audit pack.
For formal review preparation, see our MAS TRM Audit Readiness service.

How Global ITN Implements and Operates Controls

Our work can include control-gap review, Microsoft 365 and identity hardening, privileged-account cleanup, endpoint and patch management, firewall and network remediation, backup and recovery improvements, vulnerability remediation, IT documentation and recurring reporting.

We work within an agreed technical scope. The client remains responsible for determining its regulatory obligations, approving risk decisions and maintaining governance oversight.

Where the assessment identifies a gap, GlobalITN can implement the technical remediation and then operate the control on an agreed recurring basis. This can include access administration, endpoint and vulnerability management, network security, monitoring, evidence checks and remediation tracking.

Payment firms that need these controls operated as part of a managed environment can use our payment firm IT support
service.

How Global ITN Implements and Operates Controls

Frequently Asked Questions

Should every control produce evidence?

Material controls should leave enough reliable evidence to demonstrate coverage and operation. The form of evidence can vary, but it should be repeatable and attributable.

How often should cybersecurity controls be reviewed?

Frequency should reflect risk and the control. Some operate continuously or daily, while access reviews, recovery tests and formal control reviews may occur periodically.

Can an MSP operate these controls?

Yes, many controls can be operated by a managed provider under an agreed scope, but the financial institution retains governance and regulatory accountability.

What is the difference between MAS cyber hygiene and broader MAS TRM controls?

Cyber hygiene requirements focus on foundational cybersecurity measures, while technology risk management is broader and includes governance, resilience, operations and third-party technology risk. The exact applicable Notices depend on the financial institution.