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Report and recover from account compromise Guidance
Nov 10, 2023 - A guide to recovering your account and protecting you against future attacks.
Cyber security incident response planning: Executive guidance Publication
Dec 12, 2024 - The Australian Signals Directorate (ASD) is responsible for monitoring and responding to cyber threats targeting Australian interests. Reporting cyber security incidents to ASD ensures that timely assistance can be provided, if required. This may be in the form of investigations or remediation advice.
Secure-by-Design Foundations News
Jul 31, 2024 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) has released updated guidance to help technology manufacturers and those who use their digital product or service to adopt secure-by-design principles.
Email hardening
Oct 31, 2025 - This page lists publications on the hardening of message exchange via electronic mail.
ASD's ACSC/NCSC collaboration to strengthen cyber security posture News
Nov 4, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) and the UK’s National Cyber Security Centre (NCSC) are committed to improving our respective nation’s cyber security posture and protecting our networks from cyber threats.
Australia’s second ever cyber sanction imposed News
May 8, 2024 - Today the Australian Government, along with our international partners, has imposed a targeted financial sanction and travel ban on Russian citizen Dmitriy Khoroshev, for his leadership role in the notorious LockBit ransomware group.
Business email compromise Threat
Feb 11, 2023 - Learn about email phishing and what to do if you are scammed out of money, goods or information.
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.
National cyber security exercises for Australia’s electricity industry News
Apr 30, 2020 - In November 2019, the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) coordinated a national cyber security exercise series in partnership with Australia’s electricity industry and government agencies.
Become an ASD partner Hub item
Register your interest in the Australian Signals Directorate’s Cyber Security Partnership Program and provide information about yourself and your organisation.
2021 Top Routinely Exploited Vulnerabilities Advisory
Apr 28, 2022 - This advisory provides details on the top 15 Common Vulnerabilities and Exposures (CVEs) routinely exploited by malicious cyber actors in 2021, as well as other CVEs frequently exploited.
Secure administration Publication
Oct 6, 2021 - Privileged access allows administrators to perform their duties, and is often seen as the ‘keys to the kingdom’. This publication provides guidance on how to implement secure administration techniques as part of the management of privileged access.
Recovering a compromised email account Guidance
Nov 10, 2023 - Email accounts are valuable targets for cybercriminals. Not just because they store sensitive messages, but also because they can be used to impersonate the account owner, to spread scams, and to perform password resets.
Critical security vulnerabilities affecting Mitel MiCollab version 9.8 SP1 FP2 (9.8.1.201) and earlier Alert
Dec 9, 2024 - ASD’s ACSC is aware of multiple critical vulnerabilities impacting Mitel MiCollab collaboration applications.
Ransomware targeting Australian aged care and healthcare sectors Alert
Aug 2, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of increased targeting of healthcare, including hospitals and aged care, by ransomware campaigns undertaken by cyber criminals.
IRAP training partnership News
Feb 23, 2021 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is partnering with organisations in South Australia and the ACT to deliver cyber security assessment training services for Australian business and organisations.
Protect yourself from scams
Feb 3, 2025 - Protect your accounts by recognising and reporting scams.
2022-004: ASD's ACSC Ransomware Profile – ALPHV (aka BlackCat) Advisory
Apr 14, 2022 - ALPHV (aka BlackCat, Noberus) is a ransomware variant first observed in late 2021, used by cybercriminals to conduct ransomware attacks against multiple sectors and organisations worldwide, including Australia.
Critical Infrastructure Uplift Program (CI-UP) Program
Apr 16, 2024 - The Critical Infrastructure Uplift Program (CI-UP) offers a range of services that assist critical infrastructure (CI) partners to improve their resilience against cyberattacks.
Phone scams impersonating Australian businesses and government agencies Alert
Aug 13, 2020 - Cybercriminals are spoofing Australian mobile numbers and pretending to be from an Australian Government agency, delivery company or business, manipulating the individual to gain access to their device.