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Web conferencing security Publication
Oct 6, 2021 - Web conferencing tools are essential for meeting with colleagues and clients online. This guide provides tips on how to choose a secure web conference provider, and what risks to be aware of.
Fast Flux: A national security threat Advisory
Apr 4, 2025 - This advisory is for network defenders and explains how Bulletproof Hosting Providers are using ‘fast flux’ to cycle quickly through bots and DNS records to bypass detection. It highlights the importance of using a reputable Protective DNS (PDNS) provider that detects and blocks fast flux.
Report and recover
Cloud computing security for cloud service providers Publication
Jan 18, 2024 - This publication is designed to assist cloud service providers (CSPs) in offering secure cloud services. It can also assist assessors in validating the security posture of a cloud service, which is often verified through an Infosec Registered Assessors Program (IRAP) assessment of the CSP services.
Small business cloud security guides: Executive overview Publication
Dec 16, 2022 - In recognition of the increasing prevalence of cloud computing, the Australian Cyber Security Centre (ACSC) has published the Small business cloud security guides. These guides are designed to provide protection against cybersecurity incidents while remaining accessible to organisations which may not have the resources and expertise to implement a more sophisticated strategy.
New guidance for small businesses to protect your devices and accounts News
Jul 9, 2025 - Follow a list of step-by-step actions to help protect your Apple, Google and Microsoft devices and accounts.
Protect yourself from scams
Feb 3, 2025 - Protect your accounts by recognising and reporting scams.
2023 top routinely exploited vulnerabilities Advisory
Nov 13, 2024 - This advisory provides details, collected and compiled by the authoring agencies, on the Common Vulnerabilities and Exposures (CVEs) routinely and frequently exploited by malicious cyber actors in 2023 and their associated Common Weakness Enumerations (CWEs). Malicious cyber actors exploited more zero-day vulnerabilities to compromise enterprise networks in 2023 compared to 2022, allowing them to conduct operations against high priority targets. The authoring agencies strongly encourage vendors, designers, developers, and end-user organizations to implement the following recommendations, and those found within the Mitigations section of this advisory, to reduce the risk of compromise by malicious cyber actors.
Mitigating cyber security incidents
Aug 30, 2023 - The Australian Signals Directorate has developed prioritised mitigation strategies to help organisations mitigate cyber security incidents caused by various cyber threats.
DDoS threats being made against Australian organisations Alert
May 25, 2020 - Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of a number of Denial of Service (DoS) for ransom threats being made against Australian organisations, primarily in the banking and finance sector.
Further cyber sanctions in response to Medibank Private cyberattack News
Feb 12, 2025 - Today Australia has imposed targeted financial and travel sanctions on a cyber infrastructure entity – ZServers – and five of its Russian employees for their roles in providing infrastructure to host and disseminate data stolen from Medibank Private in 2022.
IRAP assessors list Program
Aug 1, 2025 - ASD's IRAP endorses qualified security professionals to provide information security services.
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.
Update your small business cyber security News
Jun 12, 2024 - Resources to help protect small businesses from cyber threats.
ABC Radio interview with Head of ACSC News
Mar 31, 2021 - Abigail Bradshaw CSC, Head of Australian Cyber Security Centre, interview with Fran Kelly on ABC Radio National, 31 March 2021.
High Severity vulnerability present in OpenSSL version 3.x Alert
Nov 2, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of a buffer overrun and buffer overflow vulnerability in OpenSSL versions above to 3.0. All Australian organisations using version 3.x should apply the available patch immediately.
Cyber Security Awareness Month 2022 News
Sep 30, 2022 - October is Cyber Security Awareness Month and this year the Australian Signals Directorate’s Australian Cyber Security Centre's (ASD’s ACSC) theme is Have you been hacked?
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.
Secure-by-Design Foundations News
Jul 31, 2024 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) has released updated guidance to help technology manufacturers and those who use their digital product or service to adopt secure-by-design principles.
Ransomware Threat
Read through the following case studies and learn from other Australians about how ransomware has affected them.
