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Interactive tools and advice to boost your online safety.
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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.
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ASD's ACSC participation in Asia Pacific Computer Emergency Response Team (APCERT) Drill News
Aug 25, 2021 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has joined international partners in the annual Asia Pacific Computer Emergency Response Team (APCERT) Drill.
Patching applications and operating systems Publication
Nov 27, 2023 - Applying patches to applications and operating systems is critical to keeping systems secure. Patching forms part of the Essential Eight from the Strategies to mitigate cybersecurity incidents.
Resources library
Jun 18, 2025 - Resources for individuals, families and small businesses
Online shoppers the target of Christmas cyber grinches News
Nov 3, 2021 - In the lead-up to Black Friday and festive season sales, Australians must be alert to the cybercriminals seeking to steal your Christmas joy and your money.
Increasing reports of myGov-related SMS and email scams targeting Australians Alert
Jul 16, 2020 - Be on the lookout for myGov-related SMS and email scams asking you to verify your myGov details.
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.
Cybersecurity for charities and not-for-profits Guidance
Mar 12, 2024 - How to avoid common cyberthreats and protect your mission .
Cyber supply chain risk management Publication
May 22, 2023 - All organisations should consider cyber supply chain risk management. If a supplier, manufacturer, distributor or retailer (i.e. businesses that constitute a cyber supply chain) are involved in products or services used by an organisation, there will be a cyber supply chain risk originating from those businesses. Likewise, an organisation will transfer any cyber supply chain risk they hold to their customers.
Mitigating Log4Shell and Other Log4j-Related Vulnerabilities Advisory
Dec 23, 2021 - Malicious cyber actors are actively scanning networks to potentially exploit Log4Shell, CVE-2021-45046, and CVE-2021-45105 in vulnerable systems. According to public reporting, Log4Shell and CVE-2021-45046 are being actively exploited. This joint Cybersecurity Advisory is to provide mitigation guidance on addressing vulnerabilities.
Account compromise Threat
Nov 10, 2023 - Account compromise is when criminals get unauthorised access to your email, banking, or other accounts.
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.
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.
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Cancel COVID-19 cybercrime
Oct 18, 2022 - Cybercriminals are adapting their methods to take advantage of the COVID-19 pandemic. We continue to receive reports from individuals, businesses and government departments about a range of different COVID-19-themed scams, online fraud and phishing campaigns.
Essential Eight maturity model Publication
Nov 27, 2023 - This publication provides advice on how to implement the Essential Eight.
Head of ACSC talks cyber security with Natarsha Belling in podcast special News
Nov 29, 2021 - Ms Abigail Bradshaw, head of the Australian Cyber Security Centre (ACSC), recently sat down with journalist Natarsha Belling to discuss the common cyber threats affecting Australians today.
COVID-19 scam messages Advisory
Mar 16, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is aware of a COVID-19 themed scam being distributed via text message.
People's Republic of China State-Sponsored Cyber Actor Living off the Land to Evade Detection Advisory
May 25, 2023 - The People's Republic of China State-Sponsored Cyber Actor Living off the Land to Evade Detection joint advisory provides examples of the cyber actor’s commands, along with detection signatures to aid network defenders in hunting for this activity.
Security tips for remote working Guidance
Jul 29, 2024 - As an employee, you may be more at risk when working away from the office. Learn how to stay secure while working from home or remotely.
PRC State-Sponsored Cyber Activity Advisory
Mar 20, 2024 - This fact sheet provides an overview for executive leaders on the urgent risk posed by People’s Republic of China (PRC) state-sponsored cyber actors known as "Volt Typhoon."
Medibank Private Cyber Security Incident Alert
Dec 1, 2022 - ASD’s Australian Cyber Security Centre is working closely with Medibank Private following the recent incident.
End of support for Microsoft Windows and Microsoft Windows Server Publication
Mar 20, 2024 - Support for Microsoft Windows and Microsoft Windows Server users following the expiration of the specified servicing timeline.
Secure your NAS device Guidance
Nov 29, 2024 - Protect your network-attached storage (NAS) device and the important data it holds with this guide.
Securing PowerShell in the enterprise Publication
Oct 6, 2021 - This publication describes a maturity framework for PowerShell, balancing the security and business requirements of organisations. This framework enables organisations to take incremental steps towards securing PowerShell across their environment.
Disclaimer
Jan 8, 2021 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) publishes this website to distribute information to the public and government ICT security professionals. We regularly review and update the information provided.
Advisory 2020-004: Remote code execution vulnerability being actively exploited in vulnerable versions of Telerik UI by sophisticated actors Advisory
May 22, 2020 - This advisory is focused around the targeting of CVE-2019-18935 but has significant overlap to the previously released ACSC 2019-126 advisory.
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.
Guidance on digital forensics and protective monitoring specifications for producers of network devices and appliances Publication
Feb 5, 2025 - This guidance has been developed with contributions from partnering agencies and is included in a series of publications aiming to draw attention to the importance of edge device cyber security measures.
Update your devices
Jan 25, 2023 - Updates are new, improved, or fixed versions of software. Regular updates are critical in maintaining a secure system. It's important to check for any updates and make sure that automatic updates are switched on.
ASD's ACSC and partners alert organisations to top 2021 malware strains News
Aug 5, 2022 - The top types of malicious software – or malware – seen by the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) and international partners through 2021 have been detailed, along with advice on how to counter them.
