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Interactive tools and advice to boost your online safety.
Advice and information about how to protect yourself online.
Common online security risks and advice on what you can do to protect yourself.
Respond to cyber threats and take steps to protect yourself from further harm.
Resources for business and government agencies on cyber security.
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Technical example: Restrict administrative privileges Publication
Dec 16, 2022 - Privileged account credentials are prized by cybercriminals because they provide extensive access to high value assets within a network. Restricting privileged access to only users with a demonstrated business need is essential to protecting your environment.
Copy-paste compromises Alert
Sep 16, 2020 - The Australian Government is aware of, and responding to, a sustained targeting of Australian governments and companies by a sophisticated state-based actor. The title ‘Copy-paste compromises’ is derived from the actor’s heavy use of tools copied almost identically from open source.
Protecting your family Guidance
May 2, 2023 - Advice and guidance for parents and guardians to help children have secure experiences online.
Assessment and evaluation programs
Sep 3, 2025 - ASD's ACSC's programs and resources to support the assessment and evaluation of information security and critical infrastructure.
ASD's ACSC social media community
Connect with us on Facebook, Twitter and YouTube, and find out how to subscribe to our RSS feeds.
Protect yourself and others from MyGov-related scams Advisory
Jul 16, 2020 - The Australian Taxation Office (ATO) is receiving increased reports of myGov-related SMS and email scams. As always, our advice is DON’T click any links and DON’T provide the information requested.
Managed service providers
Apr 11, 2023 - This page lists publications on the provision and use of managed services.
Implementing certificates, TLS, HTTPS and opportunistic TLS Publication
Oct 6, 2021 - Transport Layer Security (TLS) is a widely used encryption protocol which enables parties to communicate securely over the internet. Through the use of certificates and Public Key Infrastructure (PKI), parties can identify each other through a trusted intermediary and establish encrypted tunnels for the secure transfer of information.
Operational technology environments
Oct 4, 2024 - This page lists publications on critical infrastructure and their supporting operational technology environments.
Guidelines for database systems Advice
Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on database systems.
Preventing business email compromise Guidance
Apr 11, 2023 - There are many easy steps and actions you can take now to protect your business. Learn about the simple, cost-effective and immediately beneficial protective measures you can implement.
Security configuration guide: Samsung Galaxy S10, S20 and Note 20 devices Publication
Oct 6, 2021 - ASD has developed this guide to assist Australian’s to understand risks when deploying Samsung Galaxy and Samsung Note devices and the security requirements that need to be met to allow them to handle classified data.
Property-related business email compromise scams rising in Australia Alert
Aug 30, 2021 - Cybercriminals are targeting the property and real estate sector to conduct business email compromise scams. All parties involved in the buying, selling and leasing of property should be vigilant when communicating via email, particularly during settlement periods.
Guidelines for communications systems Advice
Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on communications systems.
Event logging
Jun 5, 2025 - This page lists publications on performing effective system monitoring.
Safe software deployment: How software manufacturers can ensure reliability for customers Publication
Oct 25, 2024 - It is critical for all software manufacturers to implement a safe software deployment program supported by verified processes, including robust testing and measurements.
Guidelines for physical security Advice
Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on physical security.
Essential Eight maturity model Publication
Nov 27, 2023 - This publication provides advice on how to implement the Essential Eight.
Guidelines for data transfers Advice
Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on data transfers.
Guidelines for system management Advice
Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on system management.
Gateway security guidance package Guidance
Jul 29, 2025 - This page lists publications on the hardening of gateway services.
Types of scams Guidance
Learn about the common types of scams, how to identify them and how to recover from them.
New guidance on integrating a Software Bill of Materials (SBOM) News
Sep 4, 2025 - Get valuable guidance to inform organisations who procure, produce or operate software about the advantages of integrating a Software Bill of Materials (SBOM) into your security processes.
Secure your NAS device Guidance
Nov 29, 2024 - Protect your network-attached storage (NAS) device and the important data it holds with this guide.
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.
Securing edge devices
Feb 4, 2025 - Malicious actors often target internet-facing edge devices to gain unauthorised access to enterprise networks. Learn how to secure edge devices such as routers, firewalls and VPN concentrators.
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.
Hardening Microsoft Windows 11 workstations Publication
Sep 4, 2025 - This publication provides recommendations on hardening workstations using Enterprise and Education editions of Microsoft Windows 11. While this publication refers to workstations, most recommendations are equally applicable to servers (with the exception of Domain Controllers) using Microsoft Windows Server. Security features discussed in this publication, along with the names and locations of Group Policy settings, are taken from Microsoft Windows 11 version 24H2.
Hardening Microsoft Windows 10 workstations Publication
Sep 4, 2025 - This publication provides recommendations on hardening workstations using Enterprise and Education editions of Microsoft Windows 10. While this publication refers to workstations, most recommendations are equally applicable to servers (with the exception of Domain Controllers) using Microsoft Windows Server. Security features discussed in this publication, along with the names and locations of Group Policy settings, are taken from Microsoft Windows 10 version 22H2.
Guidelines for email Advice
Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on email.
