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Learn about who we are and what we do.
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.
Displaying search results for Displaying 511 - 540 of 696 results.
"Bulletproof" hosting providers Publication
Jan 22, 2025 - Bulletproof hosting (BPH) providers lease cybercriminals a virtual and/or physical infrastructure from which to operate. BPH providers are a specific class of internet infrastructure service that enables malicious actors (including cybercriminals) to host illicit content and run operations on the internet.
Spotting scams Guidance
Learn how to identify phishing messages to stay safe and protect your personal information.
Report and recover from hacking Guidance
Apr 11, 2023 - If someone has stolen your money or personal information, find out what to do and who to contact. We also provide advice on how to avoid scams in future.
Privacy Awareness Week 2023 News
Apr 28, 2023 - The Australian Cyber Security Centre (ACSC) is supporting with the Office of the Australian Information Commissioner (OAIC) to support Privacy Awareness Week.
Business resources
Apr 11, 2023 - Protecting your business from cybercriminals is vital in keeping your people and systems secure. Learn how to protect your business from cyberthreats.
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.
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.
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.
Password managers Guidance
May 12, 2025 - Learn how to create and store passwords in a secure location for your important accounts.
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.
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.
For business and government
Resources for business and government on cyber security.
If things go wrong Guidance
If you think you're a victim of a scam, there are steps you can take to protect yourself from further harm.
End of support for Microsoft Windows and Microsoft Windows server Publication
Sep 4, 2025 - Support for Microsoft Windows and Microsoft Windows Server users following the expiration of the specified servicing timeline.
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.
About us
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.
Guidelines for procurement and outsourcing Advice
Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on procurement and outsourcing activities.
Resources library
Jun 18, 2025 - Resources for individuals, families and small businesses
Secure your NAS device Guidance
Nov 29, 2024 - Protect your network-attached storage (NAS) device and the important data it holds with this guide.
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.
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.
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).
Guidelines for cryptography Advice
Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on cryptography.
Types of scams Guidance
Learn about the common types of scams, how to identify them and how to recover from them.
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.
Secure by Design
Jul 22, 2024 - Secure by Design is a proactive, security-focused approach to the development of digital products and services that necessitates a strategic alignment of an organisation’s cybersecurity goals. Secure by Design requires cyberthreats to be considered from the outset to enable mitigations through thoughtful design, architecture and security measures. Its core value is to protect consumer privacy and data through designing, building, and delivering products with fewer vulnerabilities.
Report a cyber security incident Service
If you are reporting fraud or cybercrime, please refer to the ReportCyber – Cybercrime page.
Seniors
Jun 23, 2023 - This guide provides some simple steps and resources to protect your personal information, accounts and life savings when going online.
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.
