Keeping our cyberspace safe & secure

Vulnerability in Koollab Learning Management System (LMS)

CSA has issued a CVE ID to a vulnerability reported in Koollab LMS as part of CSA’s Responsibility Vulnerability Disclosure Policy. Users and administrators of the affected product version are advised to update to the latest version 5.4.0 immediately.

Security Bulletin 22 April 2026

SingCERT's Security Bulletin summarises the list of vulnerabilities collated from the National Institute of Standards and Technology (NIST)'s National Vulnerability Database (NVD) in the past week.

Critical Vulnerability in protobuf.js

A critical vulnerability has been identified in protobuf.js, a JavaScript implementation of Google’s Protocol Buffers. Users and administrators of affected products are advised to update to the latest versions immediately.

Be Cyber Safe Workshop for Seniors at Fernvale Community Club

This workshop is organised by CSA and Jalan Kayu Active Ageing Committee, in partnership with Central Provident Fund Board, National Library Board and United Overseas Bank.

National Simulated Scams Exercise

The NSSE is an opt-in exercise designed to help participants learn how scams work and steps they can take to protect themselves through experiential learning. In a safe and controlled environment, participants will be exposed to actual scam tactics, preparing them to better understand how scammers operate and protect themselves in real life.

Closing Note to the Consultation on the Licensing Framework for Cybersecurity Service Providers

CSA concludes public consultation on cybersecurity licensing framework updates. Key changes include mandatory certification requirements, extended 5-year licence validity, and streamlined notification processes. Implementation timeline provides adequate transition period for service providers to comply with new standards.

Password Checker

Internet Hygiene Portal

Cybersecurity Health Check Tool