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How to use the internet securely: A guide for seniors   Guidance

Oct 1, 2021 - Some basic cyber security practices that you can use to protect yourself when accessing the internet.

#StopRansomware: Play ransomware   Advisory

Jun 5, 2025 - This joint Cybersecurity Advisory (CSA) is part of an ongoing #StopRansomware effort to publish advisories for network defenders that detail various ransomware variants and ransomware threat actors.

Protect yourself: Multi-factor authentication   Guidance

Dec 5, 2025 - Multi-factor authentication (MFA) is when you use two or more different types of actions to verify your identity.

Advisory 2020-008: Copy-paste compromises - tactics, techniques and procedures used to target multiple Australian networks   Advisory

Sep 16, 2020 - This advisory details the tactics, techniques and procedures (TTPs) identified during the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) investigation of a cyber campaign targeting Australian networks. These TTPs are captured in the frame of tactics and techniques outlined in the MITRE ATT&CK framework.

2020-001-4: Remediation for critical vulnerability in Citrix Application Delivery Controller and Citrix Gateway   Advisory

Jan 13, 2020 - On 19 January 2020, Citrix released patches for two versions of the Citrix Application Delivery Controller (ADC) and Citrix Gateway appliances. Citrix expects to have patches available across all supported versions of Citrix ADC, Citrix Gateway and Citrix SD-WAN WANOP before the end of January 2020.

Small business hub  

Sep 30, 2025 - How to protect your small business from common cyber threats.

Cyber security for charities and not-for-profits   Guidance

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

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.

Russian Military Cyber Actors Target U.S. and Global Critical Infrastructure   Advisory

Sep 6, 2024 - The Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency (CISA), and National Security Agency (NSA) assess that cyber actors affiliated with the Russian General Staff Main Intelligence Directorate (GRU) 161st Specialist Training Center (Unit 29155) are responsible for computer network operations against global targets for the purposes of espionage, sabotage, and reputational harm since at least 2020.

Learn the basics  

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

Protect yourself: Updates   Guidance

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

How to dispose of your device securely   Guidance

May 18, 2022 - You should consider that any devices you dispose of could be accessed by strangers.

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.

Guidelines for software development   Advice

Dec 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on software development.

CI Fortify   Publication

Oct 13, 2025 - Actionable guidance for CI operators to isolate and rebuild critical services and OT systems during crisis or service disruption.

Protecting your family   Guidance

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

Microsoft Exchange ProxyShell Targeting in Australia   Alert

Aug 19, 2021 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has observed targeting of the Microsoft Exchange ProxyShell vulnerability by Malicious actors.

Iranian Government-Sponsored APT Cyber Actors Exploiting Microsoft Exchange and Fortinet Vulnerabilities in Furtherance of Malicious Activities   Advisory

Nov 22, 2021 - Iranian government-sponsored APT actors are actively targeting a broad range of victims across multiple U.S. critical infrastructure sectors, including the Transportation Sector and the Healthcare and Public Health Sector, as well as Australian organisations.

Infamous Chisel   Advisory

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

Scattered Spider   Advisory

Jul 30, 2025 - This joint Cybersecurity Advisory is in response to recent activity by Scattered Spider threat actors against the commercial facilities sectors, subsectors, and other sectors. This advisory provides tactics, techniques, and procedures (TTPs) obtained through FBI investigations as recently as June 2025