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Multiple vulnerabilities affecting Cisco ASA 5500-X Series devices Alert
Sep 26, 2025 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is aware of multiple vulnerabilities impacting Cisco Secure Firewall Adaptive Security Appliance (ASA) 5500-X Series models that are running Cisco ASA Software or Cisco Secure Firewall Threat Defense (FTD) Software. Cisco reports active exploitation of these vulnerabilities globally. ASD’s ACSC has also observed targeting in Australia.
Iranian Government-Sponsored APT Cyber Actors Exploiting Microsoft Exchange and Fortinet Vulnerabilities in Furtherance of Malicious Activities Advisory
Nov 22, 2021 - Iranian government-sponsored APT actors are actively targeting a broad range of victims across multiple U.S. critical infrastructure sectors, including the Transportation Sector and the Healthcare and Public Health Sector, as well as Australian organisations.
Infamous Chisel Advisory
Aug 31, 2023 - Malware Analysis Report. A collection of components designed to enable remote access and exfiltrate information from Android phones.
Managing cryptographic keys and secrets Publication
Aug 26, 2025 - This guide has been developed to help organisational personnel in understanding the threat environment and the value of implementing secure keys and secrets management to make better informed decisions.
Windows event logging and forwarding Publication
Oct 6, 2021 - This publication has been developed as a guide to the setup and configuration of Microsoft Windows event logging and forwarding.
Domain Name System security for domain resolvers Publication
Oct 6, 2021 - This publication explores DNS security for recursive resolution servers. It also shares helpful strategies to reduce the risk of DNS resolver subversion or compromise.
Managed service providers: How to manage risk to customer networks Publication
Oct 6, 2021 - There are several mitigation strategies that managed service providers can implement to protect their own networks and manage the security risks posed to their customers’ networks.
Publications
Nov 3, 2022 - Find the latest cyber security publications.
APT exploitation of Fortinet Vulnerabilities Alert
Apr 3, 2021 - Advanced Persistent Threat (APT) actors targeting historic Fortinet vulnerabilities.
COVID-19 themed malicious cyber activity Advisory
Mar 27, 2020 - This update is designed to raise awareness of increasing COVID-19 themed malicious cyber activity, and provide practical cyber security advice that organisations and individuals can follow to reduce the risk of being impacted.
Advice, guidance and publications
Nov 3, 2022 - Find the latest cyber security advice, guidance and publications
Head ACSC Address to AISA Cyber Conference 2021 News
Mar 17, 2021 - The Future of Cyber Security in Australia’ – Address by Abigail Bradshaw CSC, on 15 March 2021 Canberra Convention Centre.
New joint advisory on PRC botnet operations released News
Sep 19, 2024 - Protect your organisation and yourself from botnet operations.
Mitigation strategies for edge devices: Practitioner guidance Publication
Feb 4, 2025 - This publication expands on Mitigation strategies for edge devices: executive guidance. It provides IT practitioners with a list of mitigation strategies for the most common types of edge devices and appliances across enterprise networks and large organisations.
Guidelines for system hardening Advice
Dec 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on system hardening.
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Nov 3, 2022 -
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AI data security Publication
May 23, 2025 - This publication provides essential data security guidance for organisations that develop and/or use AI systems, including businesses, government and critical infrastructure. It highlights the importance of data security in ensuring the accuracy and integrity of AI outcomes, and presents an in-depth examination of 3 areas of data security risks in AI systems: data supply chain, maliciously modified (poisoned) data, and data drift.
News
Nov 3, 2022 - Find the latest in cyber security news
Russian GRU targeting Western logistics entities and technology companies News
May 22, 2025 - We have released a joint advisory outlining the tactics, techniques and procedures of a Russian state-sponsored cyber campaign targeting Western logistics entities and technology companies.
