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New Secure-by-Design publication released in collaboration with international partners   News

May 15, 2024 - Today, the Australian Signals Directorate has released a new Secure-by-Design advisory, Choosing Secure and Verifiable Technologies, developed and co-sealed with our Five Eyes partners.

JCSC virtual presentations on Log4j2 vulnerability – Friday 17 December   News

Dec 16, 2021 - A critical alert and advisory has been published on the Log4j2 vulnerability. On Friday 17 December 2021, ASD's ACSC’s Joint Cyber Security Centres (JCSCs) will facilitate a series of virtual awareness and advice sessions about this vulnerability. Australians are urged to act now to secure their computer systems against this critical software vulnerability.

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.

Preventing Web Application Access Control Abuse   Advisory

Jul 28, 2023 - The Australian Cyber Security Centre (ACSC), U.S. Cybersecurity and Infrastructure Security Agency (CISA), and U.S. National Security Agency (NSA) are releasing this joint Cybersecurity Advisory to warn vendors, designers, and developers of web applications and organizations using web applications about insecure direct object reference (IDOR) vulnerabilities.

Advisory 2020-016: "Zerologon" - Netlogon Elevation of Privilege Vulnerability (CVE-2020-1472)   Advisory

Sep 22, 2020 - The ACSC recommends organisations immediately patch affected Microsoft Windows systems with the Microsoft August 2020 Security Updates, released 11/08/2020.

Recovering compromised bank accounts and online payment accounts   Guidance

Nov 10, 2023 - Bank accounts are among the most important accounts to us and the most prized accounts to cybercriminals.

Remote access to operational technology environments   Publication

Mar 28, 2023 - Many critical infrastructure providers are moving to support remote working arrangements. In doing so, modifying cybersecurity defences for operational technology environments (OTE) is not a decision that should be taken lightly.

PRC state-sponsored actors compromise and maintain persistent access to U.S. critical infrastructure   Advisory

Feb 8, 2024 - The Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency (NSA), and Federal Bureau of Investigation (FBI) assess that People’s Republic of China (PRC) state sponsored cyber actors are seeking to preposition themselves on IT networks for disruptive or destructive cyberattacks against U.S. critical infrastructure in the event of a major crisis or conflict with the United States.

Protect yourself from remote access scams   Advisory

Nov 4, 2020 - NEVER provide your personal and financial details or give a stranger remote access to your device or computer – simply hang up.

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.

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.

Industrial control systems: Remote access protocol   Publication

Oct 6, 2021 - External parties may need to connect remotely to critical infrastructure control networks. This access is to allow the manufacturers of equipment used in Australia’s critical infrastructure the ability to maintain the equipment, when a fault is experienced that cannot be fixed in the required timeframe any other method.

Potential Accellion File Transfer Appliance compromise   Alert

Feb 25, 2021 - The ACSC has identified Australian organisations that may have been impacted by the Accellion File Transfer Appliance vulnerability and have provided mitigation recommendations.

Recovering a compromised online account   Guidance

Nov 10, 2023 - Online accounts are important for our day-to-day activities and often store sensitive information about us. This can make them useful for cybercriminals looking to gain access to our resources or identities.

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.

Account compromise   Threat

Nov 10, 2023 - Account compromise is when criminals get unauthorised access to your email, banking, or other accounts.

Review your email account security   Guidance

Feb 19, 2025 - How to check your email account security for Gmail and Outlook.

Advisory 2021-004: Active exploitation of ForgeRock Access Manager / OpenAM servers   Advisory

Jul 9, 2021 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) has identified targeting and compromise of Australian organisations with vulnerable internet-accessible servers running ForgeRock Access Manager (ForgeRock AM). ForgeRock AM was previously known as OpenAM. The ASD's ACSC has observed malicious actors exploiting the vulnerability in ForgeRock AM/OpenAM to gain initial access to networks in multiple organisations, and facilitate further access within these networks. On 7 July 2021 the ASD's ACSC alerted organisations that this vulnerability was being actively exploited. This ASD's ACSC advisory provides recommendations for securing ForgeRock AM against vulnerability CVE-2021-35464, and advice on identifying potential successful exploitation of this vulnerability.

Secure your user account   Guidance

Jan 24, 2024 - A user account is the account you use to sign in on your computer at home, school or work. Cybercriminals will target unsecure accounts and take advantage of poor security habits within the home and businesses. Their goal is to get access to your computer and steal your information. There are many ways to improve your account security, keep your accounts safe and avoid being the victim of a cyberattack.

Accessibility  

Feb 15, 2021 - Under the Disability Discrimination Act 1992, Australian Government agencies are required to ensure information and services are provided in a non-discriminatory, accessible manner.

Vulnerability Alert – 2 new Vulnerabilities associated with Microsoft Exchange.   Alert

Oct 10, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of 2 zero day vulnerabilities associated with Microsoft Exchange Servers 2013, 2016 and 2019 (Exchange).

2021 Top Malware Strains   Advisory

Aug 5, 2022 - This joint Cybersecurity Advisory (CSA) was coauthored by the Cybersecurity and Infrastructure Security Agency (CISA) and the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC).

Strategies to mitigate cybersecurity incidents: Mitigation details   Publication

Feb 1, 2017 - The Australian Signals Directorate (ASD) has developed prioritised mitigation strategies to help cybersecurity professionals in all organisations mitigate cybersecurity incidents caused by various cyberthreats. This guidance addresses targeted cyber intrusions (i.e. those executed by advanced persistent threats such as foreign intelligence services), ransomware and external adversaries with destructive intent, malicious insiders, ‘business email compromise’, and industrial control systems.

Exchange server critical vulnerabilities   Alert

Apr 15, 2021 - On 2 March 2021 Microsoft released information regarding multiple exploits being used to compromise instances of Microsoft Exchange Server. Malicious actors are exploiting these vulnerabilities to compromise Microsoft Exchange servers exposed to the internet, enabling access to email accounts and to enable further compromise of the Exchange server and associated networks.

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.

2022 Top Routinely Exploited Vulnerabilities   Advisory

Aug 4, 2023 - This advisory provides details on the Common Vulnerabilities and Exposures (CVEs) routinely and frequently exploited by malicious cyber actors in 2022 and the associated Common Weakness Enumeration(s) (CWE).

BADBAZAAR and MOONSHINE: Technical analysis and mitigations   Advisory

Apr 9, 2025 - This guidance has been jointly produced by government agencies from the UK, Australia, Canada, Germany, New Zealand, and the US and is supported by members of the NCSC Cyber League. Its provides new and collated threat intelligence on two spywares known as MOONSHINE and BADBAZAAR with guidance for how App store operators, developers and social media companies can keep their users safe.

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.

Alerts and advisories  

Jan 30, 2023 - Find the latest in cybersecurity alerts and advisories

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.