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/business-government/protecting-devices-systems/hardening-systems-applications/system-hardening/microsoft-exchange-server-security-best-practices

Microsoft Exchange Server security best practices   Publication

Oct 31, 2025 - This paper—authored by the National Security Agency (NSA), Cybersecurity and Infrastructure Security Agency (CISA), Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC), and Canadian Centre for Cyber Security (Cyber Centre)—provides security best practices for administrators on hardening on-premises (on-prem) Exchange.

Organisations & Critical Infrastructure
Government
/business-government/detecting-responding-to-threats/event-logging/best-practices-for-event-logging-and-threat-detection

Best practices for event logging and threat detection   Publication

Aug 22, 2024 - This publication defines a baseline for event logging best practices to mitigate cyber threats.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news-and-media/best-practices-event-logging-and-threat-detection

Best practices for event logging and threat detection   News

Aug 22, 2024 - Today we have released new event logging guidance, alongside our international partners, that defines the baseline for logging best practices to mitigate malicious cyber threats.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/secure-design/operational-technology-environments/cyber-security-best-practices-for-smart-cities

Cyber security best practices for smart cities   Publication

Apr 20, 2023 - This guidance is the result of a collaborative effort from the United States Cybersecurity and Infrastructure Security Agency (CISA), the United States National Security Agency (NSA), the United States Federal Bureau of Investigation (FBI), the United Kingdom National Cyber Security Centre (NCSC-UK), the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC), the Canadian Centre for Cyber Security (CCCS), and the New Zealand National Cyber Security Centre (NCSC-NZ).

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/news/joint-guide-cybersecurity-best-practices-smart-cities

Joint guide for cybersecurity best practices for Smart Cities   News

Apr 20, 2023 - This guide provides three recommendations to help communities strengthen their cyber posture.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/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
/about-us/view-all-content/news-and-media/practical-cyber-security-tips-business-leaders

Practical cyber security tips for business leaders   News

Jan 17, 2024 - Business leaders are at higher risk of a cyber incident due to the information they have access to, the people they interact with and the influence they have.

Small & medium businesses
Organisations & Critical Infrastructure
/about-us/view-all-content/reports-and-statistics/cyber-security-research-report

Cyber security research report   Reports and statistics

Dec 15, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) commissioned exploratory research to better understand audience awareness of cyber security threats and practices.

Individuals & families
Small & medium businesses
/business-government/protecting-devices-systems/cloud-computing/blueprint-for-secure-cloud

Blueprint for Secure Cloud   Publication

Feb 21, 2024 - The Blueprint provides better practice guidance, configuration guides and templates covering risk management, architecture and standard operating procedures developed as per the controls in ASD’s Information security manual (ISM).

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/secure-design/secure-by-design/choosing-secure-and-verifiable-technologies-executive-guidance

Choosing secure and verifiable technologies: Executive guidance   Publication

Dec 5, 2024 - This guide supports senior leaders to enable their organisations to understand their threat environment and make better-informed assessments and decisions to procure secure technologies.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/protect-yourself/securing-your-accounts/passphrases

Passphrases  

Protect your accounts from cybercriminals with a secure password or passphrase.

Individuals & families
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
/protect-yourself/resources-protect-yourself/personal-cyber-security-guides/seniors-guide

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.

Individuals & families
/about-us/view-all-content/alerts-and-advisories/enhanced-visibility-and-hardening-guidance-communications-infrastructure

Enhanced visibility and hardening guidance for communications infrastructure   Advisory

Dec 4, 2024 - This guide provides network engineers and defenders of communications infrastructure with best practices to strengthen their visibility and harden their network devices against successful exploitation carried out by PRC-affiliated and other malicious cyber actors.

Organisations & Critical Infrastructure
Government
/business-government/protecting-devices-systems/hardening-systems-applications/network-hardening/implementing-network-segmentation-and-segregation

Implementing network segmentation and segregation   Publication

Oct 6, 2021 - Learn about practical strategies to make it harder for malicious actors to access sensitive data. This guidance is for those responsible for an organisation’s network architecture and design.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/secure-design/artificial-intelligence/content-credentials-strengthening-multimedia-integrity-in-the-generative-ai-era

Content credentials: Strengthening multimedia integrity in the generative AI era   Publication

Jan 30, 2025 - This cybersecurity information sheet discusses how Content Credentials (especially Durable ones) can be valuable to protect the provenance of media, raises awareness of the state of this solution, provides recommended practices to ensure the preservation of provenance, and discusses the importance of widespread adoption across the information ecosystem.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/protect-yourself/securing-your-accounts/passphrases/creating-strong-passphrases

Creating Strong Passphrases   Guidance

Oct 6, 2021 - The longer your passphrase, the better. As adversaries can crack a short password with very little effort or time, you can increase the time and effort it takes by using a passphrase instead.

Individuals & families
Small & medium businesses
/business-government/protecting-devices-systems/hardening-systems-applications/email-hardening/how-to-combat-fake-emails

How to combat fake emails   Publication

Oct 6, 2021 - Organisations can reduce the likelihood of their domains being used to support fake emails by implementing Sender Policy Framework (SPF) and Domain-based Message Authentication, Reporting and Conformance (DMARC) records in their Domain Name System (DNS) configuration. Using DMARC with DomainKeys Identified Mail (DKIM) to sign emails provides further safety against fake emails. Likewise, organisations can better protect their users against fake emails by ensuring their email systems use and apply SPF, DKIM and DMARC policies on inbound email.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/supplier-cyber-risk-management/managing-cyber-supply-chains/shared-vision-of-software-bill-of-materials-for-cybersecurity

A Shared Vision of Software Bill of Materials (SBOM) for Cybersecurity   Publication

Sep 4, 2025 - This guidance, authored by the U.S. Cybersecurity and Infrastructure Security Agency (CISA) and international partners, presents a shared vision of Software Bill of Materials (SBOM) and the value that increased software component and supply chain transparency can offer to the global community.

Small & medium businesses
Organisations & Critical Infrastructure
Government

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