Australian Cyber Security Centre (Alerts)

ID: fd9bcde9-1b73-5e28-b53c-1b266ead4840

STIX ID: identity--fd9bcde9-1b73-5e28-b53c-1b266ead4840

Feed Type: rss

Earliest post: 2024-03-22

Latest post: 2026-07-09

Alerts from the Australian Signals Directorate’s Australian Cyber Security Centre, covering significant cyber threats, exploited vulnerabilities, ransomware activity, phishing campaigns, and mitigation guidance.

Exclude posts that do not describe a security incident

Classification

Min Pub Date

01/01/2020

Max Pub Date

08/11/2026

Title	Date Published ↓	Describes Incident	Author	Visible
CRITICAL ALERT: Large-scale exploitation campaign targeting website content management systems (CMS)	2026-07-09	True	Australian Cyber Security Centre (ACSC)	True
HIGH ALERT: New steps for organisations running Cisco Firepower and Secure Firewall products	2026-04-24	True	Australian Cyber Security Centre (ACSC)	True
CRITICAL ALERT: Exploitation of Cisco SD-WAN appliances	2026-03-06	True	Australian Cyber Security Centre (ACSC)	True
CRITICAL ALERT: Critical Unauthenticated Remote Code Execution vulnerability in n8n workflow automation platform	2026-01-08	True	Australian Cyber Security Centre (ACSC)	True
CRITICAL ALERT: Vulnerability in MongoDB product – MongoDB server leak	2025-12-29	True	Australian Cyber Security Centre (ACSC)	True
CRITICAL ALERT: Critical vulnerabilities in multiple Fortinet products - FortiCloud SSO Login Authentication Bypass	2025-12-10	True	Australian Cyber Security Centre (ACSC)	True
MEDIUM ALERT: Scammers impersonating police to target victims for cryptocurrency/seed wallet theft	2025-11-13	True	Australian Cyber Security Centre (ACSC)	True
CRITICAL ALERT: Multiple high-severity vulnerabilities in F5 products and incident impacting F5	2025-10-16	True	Australian Cyber Security Centre (ACSC)	True
CRITICAL ALERT: Multiple vulnerabilities affecting Cisco ASA 5500-X Series devices	2025-09-26	True	Australian Cyber Security Centre (ACSC)	True
HIGH ALERT: Ongoing targeting of online code repositories	2025-09-19	True	Australian Cyber Security Centre (ACSC)	True
HIGH ALERT: Ongoing active exploitation of SonicWall SSL VPNs in Australia (CVE-2024-40766)	2025-09-10	True	Australian Cyber Security Centre (ACSC)	True
CRITICAL ALERT: Multiple vulnerabilities affecting NetScaler ADC and NetScaler Gateway devices	2025-08-27	True	Australian Cyber Security Centre (ACSC)	True
CRITICAL ALERT: Critical vulnerabilities in Citrix NetScaler ADC and NetScaler Gateway Products	2025-07-04	True	Australian Cyber Security Centre (ACSC)	True
Critical vulnerabilities in Ivanti Connect Secure, Ivanti Policy Secure and Ivanti Neurons for ZTA Gateways	2025-01-09	True	Australian Cyber Security Centre (ACSC)	True