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/resources-business-and-government/maintaining-devices-and-systems/system-hardening-and-administration/email-hardening/how-combat-fake-emails

How to combat fake emails   Publication

Oct 6, 2021 - Organisations can reduce the likelihood of their domains being used to support fake emails by implementing Sender Policy Framework (SPF) and Domain-based Message Authentication, Reporting and Conformance (DMARC) records in their Domain Name System (DNS) configuration. Using DMARC with DomainKeys Identified Mail (DKIM) to sign emails provides further safety against fake emails. Likewise, organisations can better protect their users against fake emails by ensuring their email systems use and apply SPF, DKIM and DMARC policies on inbound email.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/report-and-recover/where-get-help

Cybercrime - getting help   Guidance

Apr 11, 2023 - If something has knocked you offline, check out the following information to help you get back up and running!

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/protect-yourself/securing-your-devices/how-protect-yourself-malware

How to protect yourself from malware   Guidance

Nov 10, 2023 - Malware (short for 'malicious software') is software that cybercriminals use to harm your computer system or network. Cybercriminals can use malware to gain access to your computer without you knowing, in targeted or broad-based attacks.

Individuals & families
Small & medium businesses
/learn-basics/watch-out-threats/types-scams

Types of scams   Guidance

Learn about the common types of scams, how to identify them and how to recover from them.

Individuals & families
/protect-yourself/staying-secure-online/protecting-your-family/protect-your-children-online

Protect your children online: A guide to cybersecurity for parents and carers   Guidance

May 2, 2024 - The steps in this guide can help you ensure that your children stay safe and secure online.

Individuals & families
/about-us/view-all-content/alerts-and-advisories/serious-vulnerabilities-in-atlassian-products-including-confluence-jira-and-bitbucket

Serious vulnerabilities in Atlassian products including Confluence, Jira and Bitbucket   Alert

Dec 7, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ACSC) is concerned about serious vulnerabilities in certain Atlassian products (CVE-2023-22522, CVE-2023-22523 and CVE-2022-1471) which are fixed by recent patches. Operators are urged to review Atlassian’s advice and implement recommended mitigations before exploitation begins.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/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
/resources-business-and-government/maintaining-devices-and-systems/outsourcing-and-procurement/managed-services/questions-ask-managed-service-providers

Questions to ask managed service providers   Publication

Oct 6, 2021 - Asking the right questions to managed service providers can help organisations better understand the cybersecurity of their systems and the services they provide.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/learn-basics/view-resources/cyber-security-awareness-month

Cyber Security Awareness Month 2024  

Sep 30, 2024 - October is Cyber Security Awareness Month and an annual reminder for all Australians to stay secure online.

/resources-business-and-government/governance-and-user-education/governance/vulnerability-disclosure-programs-explained

Vulnerability disclosure programs explained   Publication

Dec 12, 2024 - A vulnerability disclosure program (VDP) is a collection of processes and procedures designed to identify, verify, resolve and report on vulnerabilities disclosed by people who may be internal or external to organisations. The importance of developing, implementing and maintaining a well thought-out VDP cannot be underestimated. It is an integral part of professional organisations’ business operations.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/resources-business-and-government/maintaining-devices-and-systems/remote-working-and-secure-mobility/secure-mobility/travelling-with-mobile-devices

Travelling with mobile devices   Publication

Mar 26, 2024 - Learn how to keep mobile devices secure when travelling. This guidance provides advice from both an individual and organisational perspective.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/resources-business-and-government/maintaining-devices-and-systems/system-hardening-and-administration/system-administration/restricting-administrative-privileges

Restricting administrative privileges   Publication

Nov 27, 2023 - Learn how to restrict the use of administrative privileges. Restricting administrative privileges forms part of the Essential Eight from the Strategies to mitigate cybersecurity incidents.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/news/microsofts-investment-in-australias-cyber-security

Microsoft's investment in Australia’s cyber security   News

Oct 24, 2023 - The Prime Minister has announced Microsoft’s $5 billion commitment to building Australia’s cyber defence.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news-and-media/introduction-legislative-change-limited-use-obligation

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).

Organisations & Critical Infrastructure
Government
/resources-business-and-government/essential-cybersecurity/ism/cybersecurity-guidelines/guidelines-procurement-and-outsourcing

Guidelines for procurement and outsourcing   Advice

Mar 18, 2025 - This chapter of the Information security manual (ISM) provides guidance on procurement and outsourcing activities.

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

Guidelines for cryptography   Advice

Mar 18, 2025 - This chapter of the Information security manual (ISM) provides guidance on cryptography.

Organisations & Critical Infrastructure
Government
/resources-business-and-government/maintaining-devices-and-systems/outsourcing-and-procurement/cyber-supply-chains/identifying-cyber-supply-chain-risks

Identifying cyber supply chain risks   Publication

May 22, 2023 - This guidance has been developed to assist organisations in identifying risks associated with their use of suppliers, manufacturers, distributors and retailers (i.e. businesses that constitute their cyber supply chain).

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news-and-media/november-2023-essential-eight-maturity-model-update

Essential Eight Maturity Model Update   News

Nov 27, 2023 - The Australian Signals Directorate has updated the Essential Eight Maturity Model (E8MM).

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news-and-media/cyber-security-charities-and-not-for-profit-organisations

Cyber security for charities and not-for-profit organisations   News

Mar 18, 2024 - With cyber-attacks continuing to increase in frequency and severity across all sectors, the Australian Signals Directorate is encouraging charities and not-for-profit organisations to take action to protect their online systems.

Small & medium businesses
/about-us/advisories/2020-002-critical-vulnerabilities-microsoft-windows-patch-urgently

2020-002: Critical Vulnerabilities for Microsoft Windows, Patch Urgently   Advisory

Jan 15, 2020 - If you or your organisation uses any of the affected products, the ACSC recommends that you apply the patches urgently.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/report-and-recover/recover-from/identity-theft

Report and recover from identity theft   Guidance

Nov 14, 2024 - Know where to make a report and get help if someone has stolen your personal or business identity.

Individuals & families
Small & medium businesses
/about-us

About us  

Learn about who we are and what we do.

/resources-business-and-government/essential-cybersecurity/small-business-cybersecurity/small-business-cloud-security-guide/technical-example-patch-operating-system

Small Business Cloud Security Guides: Technical Example - Patch Operating Systems   Publication

Dec 16, 2022 - Patching operating systems is one of the most effective controls an organisation can implement to prevent an adversary from gaining access to their devices and sensitive information. Patches improve the security of operating systems by fixing known vulnerabilities.

Small & medium businesses
/protect-yourself/staying-secure-online/connecting-others-online/security-tips-online-gaming

Security tips for online gaming   Guidance

Mar 1, 2024 - The world of online gaming is a popular target for scammers and cybercriminals. Gaming accounts can provide access to game licenses and linked payment methods making them highly valuable.

Individuals & families
/about-us/view-all-content/news-and-media/case-for-memory-safe-roadmaps

The Case for Memory Safe Roadmaps – Joint Cyber Security Guide   News

Dec 7, 2023 - In partnership with our international partners we released a joint cyber security guidance on Secure-by-Design memory safe roadmaps.

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

Infamous Chisel   Advisory

Aug 31, 2023 - Malware Analysis Report.
A collection of components designed to enable remote access and exfiltrate information from Android phones.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/resources-business-and-government/maintaining-devices-and-systems/system-hardening-and-administration/system-hardening/iot-secure-design-guidance-manufacturers

IoT Secure by Design guidance for manufacturers   Publication

Sep 21, 2023 - This guidance has been produced for manufacturers in order to help them implement thirteen Secure by Design principles.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news/new-joint-advice-on-artificial-intelligence-data-security

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.

Organisations & Critical Infrastructure
Government
/resources-business-and-government/maintaining-devices-and-systems/remote-working-and-secure-mobility/secure-mobility/bring-your-own-device-executives

Bring Your Own Device for executives   Publication

Oct 6, 2021 - Bring Your Own Device (BYOD) scenarios enable organisations to take advantage of new technologies faster. It also has the potential to reduce hardware costs and improve organisational productivity and flexibility. However, BYOD also introduces new risks to an organisation’s business and the security of its information, which need to be carefully considered before implementation.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news-and-media/new-zero-trust-guidance-seeking-industry-feedback

New zero trust guidance – seeking industry feedback   News

Feb 10, 2025 - Have your say on new Foundations for modern defensible architectures, including zero trust and secure-by-design principles.

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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