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/protect-yourself/resources-protect-yourself/personal-cyber-security-guides/personal-cyber-security-next-steps

Personal cyber security: Next steps guide   Guidance

Jun 16, 2023 - The second of three cyber security guides in the personal cyber security series is designed to help everyday Australians understand a moderate level of cyber security and how to take action to protect themselves from cyber threats.

Individuals & families
/business-government/asds-cyber-security-frameworks/ism/cyber-security-guidelines/guidelines-for-enterprise-mobility

Guidelines for enterprise mobility   Advice

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

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
/about-us

About us  

Learn about who we are and what we do.

/about-us/view-all-content/alerts-and-advisories/badcandy

Don’t take BADCANDY from strangers – How your devices could be implanted and what to do about it   Advisory

Oct 31, 2025 - ASD recommends that system operators take the following actions to remove the BADCANDY implant if compromised and to mitigate the risk of re-exploitation.

Organisations & Critical Infrastructure
Government
/about-us/advisories/advisory-2020-008-copy-paste-compromises-tactics-techniques-and-procedures-used-target-multiple-australian-networks

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.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/secure-design/secure-by-design/managing-cryptographic-keys-and-secrets

Managing cryptographic keys and secrets   Publication

Aug 26, 2025 - This guide has been developed to help organisational personnel in understanding the threat environment and the value of implementing secure keys and secrets management to make better informed decisions.

Organisations & Critical Infrastructure
Government
/about-us/alerts/australian-organisations-encouraged-urgently-adopt-enhanced-cyber-security-posture

Australian organisations encouraged to urgently adopt an enhanced cyber security posture   Alert

Mar 28, 2022 - Australian organisations are encouraged to urgently adopt an enhanced cyber security posture. Organisations should act now and follow ACSC’s advice to improve their cyber security resilience in light of the heightened threat environment.

Organisations & Critical Infrastructure
/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-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/advisories/advisory-2020-016-zerologon-netlogon-elevation-privilege-vulnerability-cve-2020-1472

Advisory 2020-016: "Zerologon" - Netlogon Elevation of Privilege Vulnerability (CVE-2020-1472)   Advisory

Sep 22, 2020 - The ACSC recommends organisations immediately patch affected Microsoft Windows systems with the Microsoft August 2020 Security Updates, released 11/08/2020.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/advisories/2020-013-ransomware-targeting-australian-aged-care-and-healthcare-sectors

2020-013 Ransomware targeting Australian aged care and healthcare sectors   Advisory

Aug 2, 2020 - Recently there has been a significant increase in healthcare or COVID-19 themed malicious cyber activity, including targeting of the aged care and healthcare sectors by financially motivated cyber criminals using the ‘Maze’ ransomware.

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

News  

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

/business-government/detecting-responding-to-threats/vulnerability-planning

Vulnerability planning  

Sep 3, 2025 - Resources to help organisations plan for, and manage, critical vulnerabilities effectively.

Organisations & Critical Infrastructure
Government
/business-government/secure-design/secure-by-design/cross-domain-solutions/fundamentals-of-cross-domain-solutions

Fundamentals of Cross Domain Solutions   Publication

Oct 6, 2021 - This publication introduces technical and non-technical audiences to cross domain security principles for securely connecting security domains.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/protecting-devices-systems/hardening-systems-applications/mobility-hardening/security-configuration-guide-viasat-mobile-dynamic-defense

Security configuration guide: Viasat Mobile Dynamic Defense   Publication

Oct 6, 2021 - ASD has developed this guide to assist Australian’s to understand risks when deploying Viasat MDD devices and the security requirements that need to be met to allow them to handle classified data.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/protecting-devices-systems/hardening-systems-applications/network-hardening/mitigations-for-network-defence

Mitigations for network defence   Publication

Oct 15, 2025 - This guidance provides actions for both executives and technical staff to strengthen their organisation’s network infrastructure.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/advisories/2023-03-asdacsc-ransomware-profile-lockbit-3.0

2023-03: ASD's ACSC Ransomware Profile – Lockbit 3.0   Advisory

Jun 15, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of Lockbit 3.0 which is the newest version of Lockbit ransomware. It is used by cybercriminals to conduct ransomware attacks against multiple sectors and organisations worldwide, including Australia. Once gaining access to a victim’s environment, cybercriminals use this ransomware for similar purposes as other variants such as encrypting their data, and extorting a ransom to return access to the sensitive files.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/protecting-devices-systems/remote-working-secure-mobility/secure-mobility/bring-your-own-device-for-executives

Bring Your Own Device for executives   Publication

Oct 6, 2021 - Bring Your Own Device (BYOD) scenarios enable organisations to take advantage of new technologies faster. It also has the potential to reduce hardware costs and improve organisational productivity and flexibility. However, BYOD also introduces new risks to an organisation’s business and the security of its information, which need to be carefully considered before implementation.

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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