Alerts & Advisories
Provides alerts and advisories on emerging cyber threats, vulnerabilities, and preventive measures to help individuals and organisations stay secure online.
1279 items
6 November 2026
Advisory on Cyberattacks Targeting Remotely Accessible Operational Technology Control Systems
Recent cyberattacks on refrigeration management systems highlight the risks of poorly secured remote access to Operational Technology (OT) systems, potentially causing operational disruptions and safety hazards. This advisory outlines key measures to strengthen OT security and mitigate similar threats.
6 November 2026
Joint Advisory by the Cyber Security Agency of Singapore, Government Technology Agency of Singapore and Infocomm Media Development Authority
The Cyber Security Agency of Singapore, Government Technology Agency of Singapore and Infocomm Media Development Authority have issued a joint advisory on the safe and secure use of personal AI agents.
4 November 2026
Active Exploitation of Vulnerability in Cisco Adaptive Security Appliance Software and Cisco Secure Firewall Threat Defense
Attackers are exploiting a high-severity vulnerability in Cisco Adaptive Security Appliance Software and Cisco Secure Firewall Threat Defense to trigger denial of service. Patch immediately.
4 November 2026
Active Exploitation of Metabase Vulnerability
Attackers have been exploiting a critical vulnerability in Metabase to inject arbitrary SQL and gain administrator access. Patch immediately.
4 November 2026
Security Bulletin 04 Nov 2026 [PDF, 1.9MB]
3 November 2026
Active Exploitation of PHP2Shell Vulnerabilities Affecting Network and Security Products
Active exploitation of PHP2Shell has been reported against Palo Alto Networks firewalls running affected PAN-OS versions. Attackers have also reportedly chained these vulnerabilities with a separate Linux kernel flaw to gain root privileges following initial compromise. As other vendors' products are also affected by PHP2Shell, organisations should check vendor advisories, apply security updates and secure management interfaces immediately.
2 November 2026
Multiple Vulnerabilities in Oracle Application Object Library
Attackers are targeting a critical vulnerability in Oracle Application Object Library. The product is also affected by another high-severity vulnerability. Both could allow attackers to take over affected systems. Patch immediately.
30 October 2026
Active Exploitation of Critical Brotli Vulnerability Affecting Multiple Products
Attackers are actively exploiting a critical Brotli vulnerability affecting multiple products to execute arbitrary code remotely or disclose sensitive information on affected systems. Patch immediately.
28 October 2026
Advisory on Malware Campaigns Spreading Through WhatsApp
SingCERT has received multiple reports of malware campaigns involving malicious files being distributed through compromised WhatsApp accounts. Stay vigilant and avoid opening unexpected attachments, even from known contacts.
28 October 2026
