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Phone scams impersonating Australian businesses and government agencies   Alert

Aug 13, 2020 - Cybercriminals are spoofing Australian mobile numbers and pretending to be from an Australian Government agency, delivery company or business, manipulating the individual to gain access to their device.

Microsoft introduces Exchange Emergency Mitigation service   News

Oct 1, 2021 - Microsoft has launched a new optional protection for Microsoft Exchange servers.

Seeking industry feedback on new ASD Foundations for Secure-by-Design   News

Nov 2, 2023 - Have your say on how Secure-by-Design practices should look.

Revised patch released to disable mitigation against Spectre variant 2   Advisory

Jan 29, 2020 - Intel has confirmed that the microcode updates designed to mitigate Spectre variant 2 (CVE-2017-5715: Branch Target Injection) have introduced an increased risk of system instability, data loss and corruption.

Report and recover from business email compromise   Guidance

Jul 14, 2023 - Step-by-step guidance on how to respond to and recover from email compromise and impersonation attempts.

Summary of Tactics, Techniques and Procedures Used to Target Australian Networks   Advisory

May 20, 2020 - This advisory provides information on methods to detect many of the TTPs listed. Partners are strongly encouraged to review their environments for the presence of the exploited vulnerabilities and provided TTPs.

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.

Copyright  

Information about the site's copyright

Mergers, acquisitions and Machinery of Government changes   Publication

Jun 10, 2022 - This publication provides guidance on strategies that organisations can apply during mergers, acquisitions and Machinery of Government changes.

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.

Implementing network segmentation and segregation   Publication

Oct 6, 2021 - Learn about practical strategies to make it harder for malicious actors to access sensitive data. This guidance is for those responsible for an organisation’s network architecture and design.

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.

Restricting Microsoft Office macros   Publication

Nov 27, 2023 - This publication has been developed to discuss approaches that can be applied by organisations to secure systems against malicious Microsoft Office macros while balancing both their business and security requirements.

Defending against the malicious use of the Tor network   Publication

Oct 6, 2021 - The Tor network is a system that conceals a user’s IP address. It allows anonymous – and often malicious – communication. This guidance shares advice on how to detect and prevent traffic from the Tor network.

Hardening Microsoft 365, Office 2021, Office 2019 and Office 2016   Publication

Jul 24, 2023 - Workstations are often targeted by malicious actors using malicious websites, emails or removable media in an attempt to extract sensitive information. Hardening applications on workstations is an important part of reducing this risk.

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.

How to become an IRAP Assessor   Program page

Aug 15, 2024 - IRAP Assessors are ASD-endorsed ICT professionals from across Australia who have the necessary experience and qualifications in ICT security assessment and risk management, and a detailed knowledge of ASD's Information Security Manual.

Safe Software Deployment   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 personnel security   Advice

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

Phishing   Threat

Mar 19, 2023 - Learn about phishing attacks and know what to do if you've been targeted.

Gateway security guidance package: Gateway technology guides   Publication

Jul 29, 2022 - This guidance is one part of a package of documents that forms the Gateway security guidance package. When designing, procuring, operating, maintaining or disposing of a gateway, it is important to consider all the documents from the Gateway security guidance package at different stages of governance, design and implementation, and not to consume this guidance in isolation.

Domain Name System security for domain resolvers   Publication

Oct 6, 2021 - This publication explores DNS security for recursive resolution servers. It also shares helpful strategies to reduce the risk of DNS resolver subversion or compromise.

Protecting your family   Guidance

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

Malware   Threat

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.

Cloud computing security for tenants   Publication

Jan 18, 2024 - This publication is designed to assist an organisation’s cybersecurity team, cloud architects and business representatives to jointly perform a risk assessment and use cloud services securely.

Cloud computing security for cloud service providers   Publication

Jan 18, 2024 - This publication is designed to assist cloud service providers (CSPs) in offering secure cloud services. It can also assist assessors in validating the security posture of a cloud service, which is often verified through an Infosec Registered Assessors Program (IRAP) assessment of the CSP services.

Domain Name System security for domain owners   Publication

Oct 6, 2021 - This publication provides information on DNS security for domain owners. It also shared helpful strategies to reduce the risk of domain misuse.

Protect yourself: Updates   Guidance

Oct 14, 2022 - Cybercriminals are always looking for easy paths to get onto your devices.

Web hardening  

Dec 2, 2020 - This page lists publications on the hardening of services that can be accessed via the World Wide Web.