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System hardening
Oct 31, 2025 - This page lists publications on the hardening of applications and IT equipment.
Revised patch released to disable mitigation against Spectre variant 2 Advisory
Jan 29, 2020 - Intel has confirmed that the microcode updates designed to mitigate Spectre variant 2 (CVE-2017-5715: Branch Target Injection) have introduced an increased risk of system instability, data loss and corruption.
Copy-paste compromises Alert
Sep 16, 2020 - The Australian Government is aware of, and responding to, a sustained targeting of Australian governments and companies by a sophisticated state-based actor. The title ‘Copy-paste compromises’ is derived from the actor’s heavy use of tools copied almost identically from open source.
ASD's ACSC cyber security challenge News
Aug 27, 2021 - Would you like to put your cyber incident response skills to the test?
Small business cloud security guides
Apr 2, 2024 - ASD's ACSC has released a series of guides designed to help small businesses secure their cloud environment.
IRAP resources Program
Nov 17, 2025 - IRAP resources
Guidelines for evaluated products Advice
Dec 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on evaluated products.
New OT connectivity principles set a higher security bar for organisations News
Jan 15, 2026 - Our latest guidance outlines 8 principles to secure operational technology connectivity, helping organisations reduce exposure, harden boundaries, and strengthen resilience across industrial environments.
Pro-Russia Hacktivists Conduct Opportunistic Attacks Against US and Global Critical Infrastructure Advisory
Dec 10, 2025 - This joint Cybersecurity Advisory outlines the tactics, techniques and procedures used by pro-Russia hacktivist groups conducting unsophisticated attacks against US and global critical infrastructure, as well as recommended mitigations.
Guidelines for cyber security roles Advice
Dec 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on cyber security roles.
Seniors
Jun 23, 2023 - This guide provides some simple steps and resources to protect your personal information, accounts and life savings when going online.
Choosing secure and verifiable technologies Publication
Dec 5, 2024 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) and international partners have provided recommendations in this guide as a roadmap for choosing secure and verifiable technologies.
Legacy IT management
Apr 11, 2024 - This page lists publications on managing the risks posed by legacy IT.
2022-02: Australian organisations should urgently adopt an enhanced cyber security posture Advisory
Apr 28, 2022 - Entities should follow ACSC advice and act on improving their resilience within a heightened threat environment.
Secure by Demand Publication
Jan 14, 2025 - This Secure by Demand guide, authored by CISA with contributions from the following partners, describes how OT owners and operators should integrate security into their procurement process when purchasing industrial automation and control systems as well as other OT products.
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 cyber security incidents Advice
Dec 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on cyber security incidents.
#StopRansomware: LockBit 3.0 Ransomware Affiliates Exploit CVE 2023-4966 Citrix Bleed Vulnerability Advisory
Nov 29, 2023 - This joint Cybersecurity Advisory (CSA) is part of an ongoing #StopRansomware effort to publish advisories for network defenders that detail various ransomware variants and ransomware threat actors.
SVR cyber actors adapt tactics for initial cloud access Advisory
Feb 27, 2024 - How SVR-attributed actors are adapting to the move of government and corporations to cloud infrastructure.
Australian organisations encouraged to urgently adopt an enhanced cyber security posture Alert
Mar 28, 2022 - Australian organisations are encouraged to urgently adopt an enhanced cyber security posture. Organisations should act now and follow ACSC’s advice to improve their cyber security resilience in light of the heightened threat environment.