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/business-government/protecting-devices-systems/hardening-systems-applications/email-hardening/malicious-email-mitigation-strategies

Malicious email mitigation strategies   Publication

Oct 6, 2021 - Socially engineered emails containing malicious attachments and embedded links are routinely used in targeted cyber intrusions against organisations. This publication has been developed to provide mitigation strategies for the security risks posed by these malicious emails.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/node/2027

Home  

Sep 30, 2025 - Welcome to the Australian Cyber Security Centre website - cyber.gov.au

/business-government/secure-design/secure-by-design/modern-defensible-architecture

Modern defensible architecture   Publication

Oct 23, 2025 - Modern defensible architecture is the first step in Australian Signals Directorate (ASD)’s Australian Cyber Security Centre (ACSC)’s push to ensure that secure architecture and design are being considered and applied by organisations in their cyber security and resilience planning.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/protect-yourself/resources-protect-yourself/security-tips-travelling

Security tips for travelling   Guidance

Jul 29, 2024 - Learn how to stay secure while travelling with personal devices.

Individuals & families
/protect-yourself/securing-your-devices/how-back-up-your-files-and-devices

How to back up your files and devices   Guidance

Nov 12, 2024 - Important data such as your photos, documents and financial records can be lost in an instant, so back it up regularly before it's too late.

Individuals & families
Small & medium businesses
/about-us/about-acsc/engagement-request

ASD/ACSC engagement request  

Jun 8, 2023 - Thank you for your interest in having ASD/ACSC attend or speak at your event. In order for us to identify the most appropriate staff member, we ask that you provide us with some information about your event, the audience and intended outcome of your engagement with ASD/ACSC. Please note we require 8 weeks’ notice to review your request.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/learn-basics/explore-basics/mfa

Turn on multi-factor authentication  

Nov 9, 2022 - Protect your important accounts with extra login steps.

/business-government/asds-cyber-security-frameworks/essential-eight/essential-eight-assessment-process-guide

Essential Eight assessment process guide   Publication

Oct 2, 2024 - This publication provides advice on how to assess the implementation of the Essential Eight.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/alerts/australian-organisations-encouraged-urgently-adopt-enhanced-cyber-security-posture

Australian organisations encouraged to urgently adopt an enhanced cyber security posture   Alert

Mar 28, 2022 - Australian organisations are encouraged to urgently adopt an enhanced cyber security posture. Organisations should act now and follow ACSC’s advice to improve their cyber security resilience in light of the heightened threat environment.

Organisations & Critical Infrastructure
/protect-yourself/securing-your-devices/how-secure-your-devices/secure-your-microsoft-windows-device

Secure your Microsoft Windows device   Guidance

Nov 29, 2024 - Your Microsoft Windows device often holds your most important data. Use these simple steps to protect your device from cyberattacks.

Individuals & families
/business-government/protecting-devices-systems/assessment-evaluation-programs/irap/application-form

IRAP application form   Program

May 7, 2024 - IRAP application form

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/alerts/kaseya-vsa-supply-chain-ransomware-attack

Kaseya VSA Supply-Chain Ransomware Attack   Alert

Jul 12, 2021 - Patch now available for Kaseya VSA platform.

Organisations & Critical Infrastructure
Government
/protect-yourself/staying-secure-online/cyber-security-for-charities-and-not-for-profits

Cyber security for charities and not-for-profits   Guidance

Sep 30, 2025 - How to avoid common cyber threats and protect your mission .

Small & medium businesses
/learn-basics

Learn the basics  

Aug 30, 2023 - Interactive tools and advice to boost your cyber security when online.

/about-us/view-all-content/news/stay-ahead-of-the-quantum-threat-with-post-quantum-cryptography

Stay ahead of the quantum threat with post-quantum cryptography   News

Sep 22, 2025 - Get updated advice to help your organisation plan and prepare for post-quantum cryptography.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/alerts/advanced-persistent-threat-apt-actors-targeting-australian-health-sector-organisations-and-covid-19-essential-services

Advanced Persistent Threat (APT) actors targeting Australian health sector organisations and COVID-19 essential services   Alert

May 8, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is aware that Advanced Persistent Threat (APT) actors are actively targeting health sector organisations and medical research facilities.

Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news/information-stealers-are-on-the-rise-are-you-at-risk

Information stealers are on the rise, are you at risk?   News

Dec 8, 2025 - Make sure you know how to avoid information stealer malware and get tips for protecting your information.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news/building-a-cyber-secure-australia-a-fireside-chat

Building a cyber secure Australia: A fireside chat    News

Oct 29, 2025 - Hear from some of Australia’s top government cyber officials in a fireside chat as part of Cyber Security Awareness Month.

Organisations & Critical Infrastructure
Government
/translated/tetum

Tétum (Tetum)   Guidance

Aug 17, 2023 - The information and resources available are intended to increase your safety online and have been translated into Tetum.

Individuals & families
Small & medium businesses
/learn-basics/view-resources/quiz-library

Quiz library   Guidance

Test your knowledge about cyber security practices and threats through our quizzes.

Individuals & families
Small & medium businesses

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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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