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Interactive tools and advice to boost your online safety.
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Join the Cyber Threat Intelligence Sharing service through Sentinel News
Mar 20, 2024 - The Australian Signals Directorate’s (ASD’s) Cyber Threat Intelligence Sharing (CTIS) is a two-way sharing platform that enables government and industry partners to receive and share information about malicious cyber activity at machine speed.
People’s Republic of China-Linked Actors Compromise Routers and IoT Devices for Botnet Operations Advisory
Sep 19, 2024 - Cyber actors may have used botnet to compromise thousands of Internet-connected devices.
Privacy
Oct 24, 2022 - The cyber.gov.au website, including the cyber incident reporting portal (ReportCyber), is operated by the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC). The ASD's ACSC is part of the Australian Signals Directorate (ASD), an Australian Government agency.
Cybersecurity incident response planning: Practitioner guidance Publication
Dec 12, 2024 - ASD defines a cybersecurity incident as an unwanted or unexpected cybersecurity event, or a series of such events, that has either compromised business operations or has a significant probability of compromising business operations.
About us
Cancel COVID-19 cybercrime
Oct 18, 2022 - Cybercriminals are adapting their methods to take advantage of the COVID-19 pandemic. We continue to receive reports from individuals, businesses and government departments about a range of different COVID-19-themed scams, online fraud and phishing campaigns.
Disclaimer
Jan 8, 2021 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) publishes this website to distribute information to the public and government ICT security professionals. We regularly review and update the information provided.
Important Vulnerabilities in Microsoft’s May 2023 Security Update Alert
May 11, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is concerned about vulnerabilities disclosed in Microsoft’s May 2023 Security Update. Government, businesses and individuals should patch their Microsoft products and apply any recommended mitigations.
Introduction of legislative change for Limited Use obligation News
Oct 31, 2024 - On 9 October 2024, the Australian Government introduced the Intelligence Services and Other Legislation Amendment (Cyber Security) Bill 2024 into Parliament. The Bill amends the Intelligence Services Act 2001 to legislate a Limited Use obligation for the Australian Signals Directorate (ASD).
Russian GRU targeting Western logistics entities and technology companies Advisory
May 22, 2025 - This joint cybersecurity advisory (CSA) highlights a Russian state-sponsored cyber campaign targeting Western logistics entities and technology companies.
Gateway security guidance package: Gateway technology guides Publication
Jul 29, 2022 - This guidance is one part of a package of documents that forms the Gateway security guidance package. When designing, procuring, operating, maintaining or disposing of a gateway, it is important to consider all the documents from the Gateway security guidance package at different stages of governance, design and implementation, and not to consume this guidance in isolation.
Threat update: COVID-19 malicious cyber activity 20 April 2020 Advisory
Apr 20, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) continues to receive reports from individuals, businesses and government departments about a range of different COVID-19 themed scams, online frauds and phishing campaigns. This threat update is about raising awareness of the evolving nature of COVID-19 related malicious cyber activity impacting Australians.
The Case for Memory Safe Roadmaps Publication
Dec 7, 2023 - This guidance provides manufacturers with steps to create memory safe roadmaps and implement changes to eliminate memory safety vulnerabilities from their products.
#StopRansomware: BianLian Ransomware Group Advisory
Nov 21, 2024 - The Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency (CISA), and Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) are releasing this joint Cybersecurity Advisory to disseminate known BianLian ransomware and data extortion group IOCs and TTPs identified through FBI and ASD's ACSC investigations as of March 2023.
Citrix Products NetScaler ADC and NetScaler Gateway Vulnerabilities Alert
Nov 29, 2023 - A malicious actor can exploit the vulnerability to execute code remotely without authentication. Organisations using Citrix products NetScaler ADC and NetScaler Gateway, possibly including Government and medium to large organisations. Ensure the latest release of NetScaler ADC and NetScaler Gateway have been installed.
Russian Military Cyber Actors Target U.S. and Global Critical Infrastructure Advisory
Sep 6, 2024 - The Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency (CISA), and National Security Agency (NSA) assess that cyber actors affiliated with the Russian General Staff Main Intelligence Directorate (GRU) 161st Specialist Training Center (Unit 29155) are responsible for computer network operations against global targets for the purposes of espionage, sabotage, and reputational harm since at least 2020.
Back-up data to defend against cybercrime News
Mar 31, 2021 - On World Back-up Day, the Australian Government is urging businesses, organisations and individuals to back-up their digital information to protect themselves against compromise.
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.
Australian Signals Directorate releases the annual Cyber Threat Report for 2023–24 News
Nov 20, 2024 - ASD’s Cyber Threat Report 2023–24 provides an overview of the key cyber threats impacting Australia, how ASD’s ACSC is responding and cyber security advice for Australian individuals, organisations and government to protect themselves online.
2019-131a: Emotet malware campaign Alert
Oct 1, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ACSC) has observed an ongoing and widespread campaign of malicious emails designed to spread Emotet across a variety of sectors in the Australian economy, including critical infrastructure providers and government agencies.
Iranian cyber actors’ brute force and credential access activity compromises critical infrastructure Advisory
Oct 17, 2024 - The Federal Bureau of Investigation (FBI), the Cybersecurity and Infrastructure Security Agency (CISA), and the National Security Agency (NSA) are releasing this joint Cybersecurity Advisory to warn network defenders on Iranian cyber actors’ compromising, frequently using brute force attacks, organizations across multiple critical infrastructure sectors, including the healthcare and public health (HPH), government, information technology, engineering, and energy sectors. The actors likely aim to obtain credentials and information describing the victim’s network that can then be sold to enable access to cybercriminals.
Seniors
Jun 23, 2023 - This guide provides some simple steps and resources to protect your personal information, accounts and life savings when going online.
Important Vulnerabilities in Microsoft’s October 2023 Security Update Alert
Oct 13, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is concerned about vulnerabilities disclosed in Microsoft’s October 2023 Security Update. Government, businesses and individuals should patch their Microsoft products and apply any recommended mitigations as soon as possible.
Important Vulnerabilities in Microsoft’s August 2023 Security Update Alert
Aug 10, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is concerned about vulnerabilities disclosed in Microsoft’s August 2023 Security Update. Government, businesses and individuals should patch their Microsoft products and apply any recommended mitigations as soon as possible.
Important Vulnerabilities in Microsoft’s July 2023 Security Update Alert
Jul 13, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is concerned about vulnerabilities disclosed in Microsoft’s July 2023 Security Update. Government, businesses and individuals should patch their Microsoft products and apply any recommended mitigations as soon as possible.
Important Vulnerabilities in Microsoft’s June 2023 Security Update Alert
Jun 15, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is concerned about vulnerabilities disclosed in Microsoft’s June 2023 Security Update. Government, businesses and individuals should patch their Microsoft products and apply any recommended mitigations as soon as possible.
Advisory 2020-017: Resumption of Emotet malware campaign Advisory
Oct 30, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ACSC) has observed the resumption of an ongoing and widespread campaign of malicious emails designed to spread the Emotet malware across a variety of sectors in the Australian economy, including critical infrastructure providers and government agencies.
Implementing SIEM and SOAR platforms: Practitioner guidance Publication
May 27, 2025 - This publication provides high-level guidance for cyber security practitioners on Security Information and Event Management (SIEM) and Security Orchestration, Automation, and Response (SOAR) platforms.
New joint advice on artificial intelligence data security News
May 23, 2025 - Learn about significant data security risks and best practices for securing data throughout the artificial intelligence (AI) system lifecycle.
Phone and email scammers impersonating the ASD's ACSC Alert
Jan 19, 2022 - The Australian government will NEVER phone you to request access to your computer, or request you to purchase cryptocurrencies or gift cards. If you receive a suspicious phone call, take the caller's details, hang up and contact the company they claim to represent via official communication channels listed on their website. Never call a number provided by the scammer.
