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Secure your NAS device Guidance
Nov 29, 2024 - Protect your network-attached storage (NAS) device and the important data it holds with this guide.
Australian Signals Directorate unveils new facility News
Mar 23, 2022 - The Australian Signals Directorate (ASD) has unveiled a new world-class cyber and foreign intelligence facility, as the agency prepares to mark 75 years defending Australia from global threats.
Preparing for and responding to denial-of-service attacks Publication
Mar 17, 2025 - Although organisations cannot avoid being targeted by denial-of-service attacks, there are a number of measures that organisations can implement to prepare for and potentially reduce the impact if targeted. Preparing for denial-of-service attacks before they occur is by far the best strategy, it is very difficult to respond once they begin and efforts at this stage are unlikely to be effective.
Iranian cyber actors’ brute force and credential access activity compromises critical infrastructure Advisory
Oct 17, 2024 - The Federal Bureau of Investigation (FBI), the Cybersecurity and Infrastructure Security Agency (CISA), and the National Security Agency (NSA) are releasing this joint Cybersecurity Advisory to warn network defenders on Iranian cyber actors’ compromising, frequently using brute force attacks, organizations across multiple critical infrastructure sectors, including the healthcare and public health (HPH), government, information technology, engineering, and energy sectors. The actors likely aim to obtain credentials and information describing the victim’s network that can then be sold to enable access to cybercriminals.
Ten things to know about data security Publication
May 16, 2024 - This publication has been developed to assist business owners and information technology managers, particularly those unfamiliar with cybersecurity, with ten things they should know about data security.
Shop online securely this holiday season News
Nov 8, 2023 - The holiday season is fast approaching and more Australian’s than ever are shopping online. The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) are reminding Australians to be cyber secure when shopping online.
Choosing secure and verifiable technologies Publication
Dec 5, 2024 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) and international partners have provided recommendations in this guide as a roadmap for choosing secure and verifiable technologies.
Cisco IOS XE Software Web UI Zero Day Vulnerability Alert
Oct 25, 2023 - A previously unknown vulnerability (CVE-2023-20198) in the web UI feature of Cisco IOS XE Software could allow a malicious actor to take control of vulnerable devices. All Australian organisations should follow the recommendations published by Cisco.
Online shopping Guidance
Nov 7, 2023 - Be secure when shopping online.
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.
Critical security vulnerability affecting Apache Struts2 below 6.4.0. Alert
Dec 13, 2024 - ASD’s ACSC is aware of a critical vulnerability impacting Apache Struts2 below 6.4.0 (CVE-2024-53677).
SonicWall Breach Alert
Feb 4, 2021 - SonicWall identified an internal systems breach using a zero-day vulnerability within the SMA 100 series 10.x code.
Implementing SIEM and SOAR platforms Guidance
May 27, 2025 - SIEM and SOAR platforms can greatly benefit your organisation by collecting, centralising, and analysing important data, detecting cyber security events and incidents and prompting timely intervention.
ASD's ACSC/NCSC collaboration to strengthen cyber security posture News
Nov 4, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) and the UK’s National Cyber Security Centre (NCSC) are committed to improving our respective nation’s cyber security posture and protecting our networks from cyber threats.
Social media terms of use
Jan 13, 2026 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) uses a number of social media services as part of its communications activities. These services include Facebook, Twitter, LinkedIn, Vimeo and YouTube.
Glossary
List of glossary terms used on cyber.gov.au website
Recovering compromised bank accounts and online payment accounts Guidance
Nov 10, 2023 - Bank accounts are among the most important accounts to us and the most prized accounts to cybercriminals.
Implementing application control Publication
Nov 27, 2023 - Application control is one of the most effective mitigation strategies in ensuring the security of systems. As such, application control forms part of the Essential Eight from the Strategies to mitigate cybersecurity incidents. This publication provides guidance on what application control is, what application control is not, and how to implement application control.
Critical Vulnerability in popular Java framework Apache Struts2 Alert
Dec 14, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ACSC) is concerned about a critical Remote Code Execution (RCE) vulnerability in Apache Struts2. This primarily affects Java applications which use this framework. Apache Struts2 is widely used in enterprise and bespoke Java applications.
Recovering a compromised online account Guidance
Nov 10, 2023 - Online accounts are important for our day-to-day activities and often store sensitive information about us. This can make them useful for cybercriminals looking to gain access to our resources or identities.