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/about-us/advisories/2021-top-routinely-exploited-vulnerabilities

2021 Top Routinely Exploited Vulnerabilities   Advisory

Apr 28, 2022 - This advisory provides details on the top 15 Common Vulnerabilities and Exposures (CVEs) routinely exploited by malicious cyber actors in 2021, as well as other CVEs frequently exploited.

Organisations & Critical Infrastructure
Government
/business-government/asds-cyber-security-frameworks/essential-eight/essential-eight-maturity-model-changes

Essential Eight maturity model changes   Publication

Nov 27, 2023 - This publication provides an overview of the changes for the November 2023 release.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news/new-advice-on-implementing-siem-soar-platforms-in-your-organisation

New advice on implementing SIEM/SOAR platforms in your organisation   News

May 27, 2025 - ASD has published a publication series about Security Information and Event Management (SIEM) and Security Orchestration, Automation, and Response (SOAR) platforms in collaboration with our international partners.

Organisations & Critical Infrastructure
Government
/business-government/protecting-devices-systems/hardening-systems-applications/system-hardening/hardening-microsoft-365-office-2021-office-2019-and-office-2016

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.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/alerts-and-advisories/citrix-products-netscaler-adc-and-netscaler-gateway-zero-day-vulnerability

Citrix Products NetScaler ADC and NetScaler Gateway Vulnerabilities   Alert

Nov 29, 2023 - A malicious actor can exploit the vulnerability to execute code remotely without authentication. Organisations using Citrix products NetScaler ADC and NetScaler Gateway, possibly including Government and medium to large organisations. Ensure the latest release of NetScaler ADC and NetScaler Gateway have been installed.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/threats/types-threats/hacking

Hacking   Threat

Jan 5, 2023 - Hacking refers to unauthorised access of a system or network, often to exploit a system’s data or manipulate its normal behaviour.

Individuals & families
Small & medium businesses
/about-us/privacy

Privacy  

Oct 24, 2022 - The cyber.gov.au website, including the cyber incident reporting portal (ReportCyber), is operated by the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC). The ASD's ACSC is part of the Australian Signals Directorate (ASD), an Australian Government agency.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/about-acsc/engagement-request

ASD/ACSC engagement request  

Jun 8, 2023 - Thank you for your interest in having ASD/ACSC attend or speak at your event. In order for us to identify the most appropriate staff member, we ask that you provide us with some information about your event, the audience and intended outcome of your engagement with ASD/ACSC. Please note we require 8 weeks’ notice to review your request.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/threats/types-threats/identity-theft

Identity theft   Threat

Nov 14, 2024 - Learn about how identity theft can affect you and how to keep your personal information secure.

Individuals & families
/about-us/advisories/2020-001-4-remediation-critical-vulnerability-citrix-application-delivery-controller-and-citrix-gateway

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 & medium businesses
Organisations & Critical Infrastructure
Government
/protect-yourself/spotting-scams

Spotting scams   Guidance

Learn how to identify phishing messages to stay safe and protect your personal information.

Individuals & families
/about-us/terms-of-use

Social media terms of use  

May 7, 2024 - 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. 

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/report-and-recover/recover-from/hacking

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.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/threats/types-threats/phishing

Phishing   Threat

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

Individuals & families
/business-government/protecting-business-leaders/cyber-security-for-business-leaders/practical-cyber-security-tips-for-business-leaders

Practical cyber security tips for business leaders   Publication

Jan 17, 2024 - Business leaders can be appealing targets for malicious actors due to the sensitive information they can access, the important people they interact with and the influence they hold. This publication includes a checklist of practical tips business leaders can implement to improve their cybersecurity. The checklist is followed by a brief explanation of each tip and why it is recommended.

Small & medium businesses
Organisations & Critical Infrastructure
/business-government/protecting-devices-systems/hardening-systems-applications/email-hardening

Email hardening  

Oct 31, 2025 - This page lists publications on the hardening of message exchange via electronic mail.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/about-asd-acsc/contact-us

Contact us  

Feb 25, 2023 - Contact ASD's ACSC for general enquiries and media enquiries.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/supplier-cyber-risk-management/managing-cyber-supply-chains/cyber-supply-chain-risk-management

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.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/protect-yourself/securing-your-devices/how-secure-your-devices/secure-your-microsoft-windows-device

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.

Individuals & families
/business-government/protecting-devices-systems/hardening-systems-applications/email-hardening/protecting-against-business-email-compromise

Protecting against business email compromise   Publication

Oct 6, 2021 - Business email compromise is when malicious actors use email to abuse trust in business processes to scam organisations out of money or goods. Malicious actors can impersonate business representatives using similar names, domains or fraudulent logos as a legitimate organisation or by using compromised email accounts and pretending to be a trusted co-worker.

Small & medium businesses
Organisations & Critical Infrastructure
Government

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Acknowledgement of Country

We acknowledge the Traditional Owners and Custodians of Country throughout Australia and their continuing connections to land, sea and communities.
We pay our respects to them, their cultures and their Elders; past, present and emerging. We also recognise Australia's First Peoples' enduring contribution to Australia's national security.

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