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/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/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
/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/view-all-content/alerts-and-advisories/archive

Archived Alerts and Advisories  

Jan 23, 2025 - Search archived cyber security alerts and advice

/about-us/alerts/critical-remote-code-execution-vulnerability-found-log4j2-library

Critical remote code execution vulnerability found in the Log4j library   Alert

Dec 21, 2021 - A vulnerability (CVE-2021-44228) exists in certain versions of the Log4j library. A malicious cyber actor could exploit this vulnerability to execute arbitrary code. Australian organisations should apply latest patches immediately where Log4j is known to be used.

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
/about-us/view-all-content/news

News  

Nov 3, 2022 - Find the latest in cyber security news

/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
/business-government/protecting-devices-systems/remote-working-secure-mobility/secure-mobility/travelling-with-mobile-devices

Travelling with mobile devices   Publication

Mar 26, 2024 - Learn how to keep mobile devices secure when travelling. This guidance provides advice from both an individual and organisational perspective.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/advisories/advisory-2020-004-remote-code-execution-vulnerability-being-actively-exploited-vulnerable-versions-telerik-ui-sophisticated-actors

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.

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
/threats/types-of-threats/account-compromise

Account compromise   Threat

Nov 10, 2023 - Account compromise is when criminals get unauthorised access to your email, banking, or other accounts.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
/protect-yourself/securing-your-devices/how-secure-your-devices/secure-your-apple-macos-device

Secure your Apple macOS device   Guidance

Nov 29, 2024 - Your Apple macOS 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/system-hardening/hardening-microsoft-windows-11-workstations

Hardening Microsoft Windows 11 workstations   Publication

Jan 23, 2026 - This publication provides recommendations on hardening workstations using Enterprise and Education editions of Microsoft Windows 11. While this publication refers to workstations, most recommendations are equally applicable to servers (with the exception of Domain Controllers) using Microsoft Windows Server. Security features discussed in this publication, along with the names and locations of Group Policy settings, are taken from Microsoft Windows 11 version 25H2.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/protecting-devices-systems/system-administration

System administration  

Dec 3, 2020 - This page lists publications on securely administering systems.

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

System hardening  

Oct 31, 2025 - This page lists publications on the hardening of applications and IT equipment.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/supplier-cyber-risk-management/managed-service-providers/questions-to-ask-managed-service-providers

Questions to ask managed service providers   Publication

Oct 6, 2021 - Asking the right questions to managed service providers can help organisations better understand the cybersecurity of their systems and the services they provide.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/protecting-business-leaders/cyber-security-for-business-leaders

Cyber security for business leaders  

May 16, 2024 - This page lists publications on governance strategies that can be applied to improve cybersecurity within organisations.

Small & medium businesses
Organisations & Critical Infrastructure
Government

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We acknowledge the Traditional Owners and Custodians of Country throughout Australia and their continuing connections to land, sea and communities.
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