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/about-us/about-asd-acsc/contact-us

Contact us   Service

Feb 25, 2023 - Contact ASD's ACSC for general enquiries and media enquiries.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/report-and-recover/recover-from/account-compromise/bank

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.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
/resources-business-and-government/governance-and-user-education/artificial-intelligence/an-introduction-to-artificial-intelligence

An introduction to artificial intelligence   Publication

Nov 24, 2023 - Artificial intelligence (AI) is an emerging technology that will play an increasingly influential role in the everyday life of Australians.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/report-and-recover/recover-from/account-compromise/other

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.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
/about-us/advisories/iranian-islamic-revolutionary-guard-corps-affiliated-cyber-actors-exploiting-vulnerabilities-data-extortion-and-disk-encryption-ransom-operations

Iranian Islamic Revolutionary Guard Corps-Affiliated Cyber Actors Exploiting Vulnerabilities for Data Extortion and Disk Encryption for Ransom Operations   Advisory

Sep 15, 2022 - The Australian Signals Directorate's Australian Cyber Security Centre (ASD's ACSC) has joined with international cyber security agency partners to co-author an advisory on continued Iranian state-sponsored cyber threats. Organisations are encouraged to apply the recommended mitigations to protect themselves online.

Organisations & Critical Infrastructure
/resources-business-and-government/maintaining-devices-and-systems/system-hardening-and-administration/email-hardening

Email hardening  

Apr 11, 2023 - This page lists publications on the hardening of message exchange via electronic mail.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/resources-business-and-government/governance-and-user-education/artificial-intelligence/engaging-with-artificial-intelligence

Engaging with artificial intelligence   Publication

Jan 24, 2024 - The purpose of this paper is to provide organisations with guidance on how to use artificial intelligence (AI) systems securely. The paper summarises some important threats related to AI systems and includes cybersecurity mitigation strategies to aid organisations in engaging with AI while managing risk. It provides mitigations to assist both organisations that maintain their own AI systems and organisations that use third-party AI systems.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/resources-business-and-government/essential-cybersecurity/strategies-mitigate-cybersecurity-incidents/strategies-mitigate-cybersecurity-incidents

Strategies to mitigate cybersecurity incidents   Publication

Feb 1, 2017 - The Australian Signals Directorate (ASD) has developed prioritised mitigation strategies to help 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.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/advisories/2021-010-asdacsc-ransomware-profile-conti

2021-010: ASD's ACSC Ransomware Profile - Conti   Advisory

Mar 4, 2022 - Conti is a ransomware variant first observed in early 2020, used by cybercriminals to conduct ransomware attacks against multiple sectors and organisations worldwide, including Australia. Conti is offered as a Ransomware-as-a-Service (RaaS), enabling affiliates to utilise it as desired, provided that a percentage of the ransom payment is shared with the Conti operators as commission. This product provides information related to Conti’s background, threat activity, and mitigation advice.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/alerts/apt-exploitation-fortinet-vulnerabilities

APT exploitation of Fortinet Vulnerabilities   Alert

Apr 3, 2021 - Advanced Persistent Threat (APT) actors targeting historic Fortinet vulnerabilities.

Organisations & Critical Infrastructure
Government
/acsc/view-all-content/advisories/2021-003-ongoing-campaign-using-avaddon-ransomware

2021-003: Ongoing campaign using Avaddon Ransomware   Advisory

May 8, 2021 - The Australian Cyber Security Centre (ACSC) is aware of an ongoing ransomware campaign utilising the Avaddon Ransomware malware. This campaign is actively targeting Australian organisations in a variety of sectors. This advisory provides details of Avaddon threat actors, dark web activity, targeted countries and sectors, the malware infection chain, and known Techniques, Tools, and Procedures (TTPs). If activity is identified relating to this advisory please report any findings to the ACSC.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/resources-business-and-government/essential-cybersecurity/small-business-cybersecurity/small-business-cloud-security-guide/technical-example-user-application-hardening

Small Business Cloud Security Guides: Technical Example - User Application Hardening   Publication

Dec 16, 2022 - User application hardening protects an organisation from a range of threats including malicious websites, advertisements running malicious scripts and exploitation of vulnerabilities in unsupported software. These attacks often take legitimate application functionality and use it for malicious purposes. User application hardening makes it harder for cybercriminals to exploit vulnerabilities or at-risk functionality in your organisation’s applications.

Small & medium businesses
/protect-yourself

Protect yourself  

Jul 30, 2024 - Advice and information about how to protect yourself online.

/learn-basics/view-resources/resources-library

Resources library  

Jun 18, 2025 - Resources for individuals, families and small businesses

/node/2027

Home  

Jul 19, 2022 - Welcome to the Australian Cyber Security Centre website - cyber.gov.au

/resources-business-and-government/maintaining-devices-and-systems/remote-working-and-secure-mobility/secure-mobility/risk-management-enterprise-mobility-including-bring-your-own-device

Risk management of enterprise mobility (including Bring Your Own Device)   Publication

Oct 6, 2021 - This publication has been developed to provide senior business representatives with a list of enterprise mobility considerations. These include business cases, regulatory obligations and legislation, available budget and personnel resources, and risk tolerance. Additionally, risk management controls are provided for cybersecurity practitioners.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/resources-business-and-government/governance-and-user-education/incident-response/cybersecurity-incident-response-planning-practitioner-guidance

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.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/news/update-your-devices-keep-cybercriminals-out

Update your devices to keep cybercriminals out   News

May 3, 2021 - Updating the software on electronic devices is one of the easiest and most important ways all Australians can defend against cybercriminals and be protected from online threats.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/resources-business-and-government/essential-cybersecurity/ism/cybersecurity-guidelines/guidelines-cybersecurity-incidents

Guidelines for cybersecurity incidents   Advice

Jul 3, 2025 - This chapter of the Information security manual (ISM) provides guidance on cybersecurity incidents.

Organisations & Critical Infrastructure
Government
/resources-business-and-government/essential-cybersecurity/ism/cybersecurity-guidelines/guidelines-communications-infrastructure

Guidelines for communications infrastructure   Advice

Jul 3, 2025 - This chapter of the Information security manual (ISM) provides guidance on communications infrastructure.

Organisations & Critical Infrastructure
Government
/about-us/view-all-content/alerts-and-advisories

Alerts and advisories  

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

/protect-yourself/resources-protect-yourself/protecting-your-family

Protecting your family   Guidance

May 2, 2023 - Advice and guidance for parents and guardians to help children have secure experiences online.

Individuals & families
/report-and-recover/recover-from/account-compromise

Report and recover from account compromise   Guidance

Nov 10, 2023 - A guide to recovering your account and protecting you against future attacks.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
/resources-business-and-government/essential-cybersecurity/ism/cybersecurity-guidelines/guidelines-software-development

Guidelines for software development   Advice

Jul 3, 2025 - This chapter of the Information security manual (ISM) provides guidance on software development.

Organisations & Critical Infrastructure
Government
/resources-business-and-government/maintaining-devices-and-systems/system-hardening-and-administration/system-monitoring/implementing-siem-and-soar-platforms/implementing-siem-and-soar-platforms-practitioner-guidance

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.

Organisations & Critical Infrastructure
Government
/resources-business-and-government/maintaining-devices-and-systems/system-hardening-and-administration/system-monitoring/implementing-siem-and-soar-platforms/implementing-siem-and-soar-platforms-executive-guidance

Implementing SIEM and SOAR platforms: Executive guidance   Publication

May 27, 2025 - This publication is one of three in a suite of guidance on SIEM and SOAR platforms. It is primarily intended for executives but can be used by any organisation that is considering whether and how to implement a SIEM and/or SOAR.

Organisations & Critical Infrastructure
Government
/resources-business-and-government/exercise-in-a-box

Exercise in a Box  

Nov 17, 2022 - This service provides an all-in-one platform that organisations can use to assess and improve their cybersecurity practices, in a controlled environment, and as many times as they want.

/resources-business-and-government/essential-cybersecurity/ism/cybersecurity-guidelines/guidelines-cybersecurity-roles

Guidelines for cybersecurity roles   Advice

Jul 3, 2025 - This chapter of the Information security manual (ISM) provides guidance on cybersecurity roles.

Organisations & Critical Infrastructure
Government
/report-and-recover/report

Report  

Apr 11, 2023 - Report a cybercrime, incident or vulnerability.

/resources-business-and-government/essential-cybersecurity/ism/cybersecurity-guidelines/guidelines-system-monitoring

Guidelines for system monitoring   Advice

Jul 3, 2025 - This chapter of the Information security manual (ISM) provides guidance on system monitoring.

Organisations & Critical Infrastructure
Government

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Acknowledgement of Country

We acknowledge the Traditional Owners and Custodians of Country throughout Australia and their continuing connections to land, sea and communities.
We pay our respects to them, their cultures and their Elders; past, present and emerging. We also recognise Australia's First Peoples' enduring contribution to Australia's national security.

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