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Joint Advisory on Technical Approaches to Uncovering and Remediating Malicious Activity
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/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
/about-us/alerts/microsoft-releases-security-updates-microsoft-edge-browser

Microsoft Releases Security Updates for Microsoft Edge Browser   Alert

Jun 30, 2021 - On June 24 2021, Microsoft released updates for their Edge Browser addressing two vulnerabilities that an attacker could exploit to inject and execute malicious code.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/alerts/medibank-private-cyber-security-incident

Medibank Private Cyber Security Incident   Alert

Dec 1, 2022 - ASD’s Australian Cyber Security Centre is working closely with Medibank Private following the recent incident.

Individuals & families
/business-government/protecting-devices-systems/hardening-systems-applications/network-hardening/securing-edge-devices/guidance-on-digital-forensics-and-protective-monitoring-specifications-for-producers-of-network-devices-and-appliances

Guidance on digital forensics and protective monitoring specifications for producers of network devices and appliances   Publication

Feb 5, 2025 - This guidance has been developed with contributions from partnering agencies and is included in a series of publications aiming to draw attention to the importance of edge device cyber security measures.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/news/irap-training-partnership

IRAP training partnership   News

Feb 23, 2021 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is partnering with organisations in South Australia and the ACT to deliver cyber security assessment training services for Australian business and organisations.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/asds-cyber-security-frameworks/ism/cyber-security-terminology

Cyber security terminology   Advice

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

Organisations & Critical Infrastructure
Government
/protect-yourself/staying-secure-online/protecting-your-family/protect-yourself-online

Protect yourself online: A guide to cybersecurity for young people   Guidance

May 2, 2024 - The steps in this guide can help you navigate the online world with confidence.

Individuals & families
/about-us/view-all-content/news-and-media/an-introduction-to-artificial-intelligence

An introduction to Artificial Intelligence   News

Nov 24, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has released an introduction to Artificial Intelligence (AI).

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/asds-cyber-security-frameworks/ism/cyber-security-guidelines/guidelines-for-gateways

Guidelines for gateways   Advice

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

Organisations & Critical Infrastructure
Government
/report-and-recover/how-we-help-during-a-cyber-security-incident/limited-use

Limited Use    Guidance

Dec 3, 2024 - The limited use obligation for the Australian Signals Directorate (ASD) has been legislated to add additional protections to the information organisations voluntarily provide to ASD, and to the information acquired or prepared by ASD with the consent of an organisation.

Small & medium businesses
Organisations & Critical Infrastructure
/about-us/view-all-content/alerts-and-advisories/Exploitation-of-Existing-Fortinet-Vulnerabilities

Exploitation of existing Fortinet Vulnerabilities    Alert

Apr 11, 2025 - Fortinet has released information regarding exploitation of previously known vulnerabilities affecting Fortinet devices.
ASD’s ACSC recommends customers follow the advice contained in Fortinet’s advisory page.

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
/threats/types-threats/scams

Scams   Threat

Apr 21, 2023 - Online scams cost Australians millions of dollars each year and anyone can be targeted. Cybercriminals often use familiar brands and logos to make themselves seem reliable.

Individuals & families
Small & medium businesses
/about-us/view-all-content/alerts-and-advisories/fortios-fortiproxy-authentication-bypass-nodejs-websocket-module-vulnerability

FortiOS & FortiProxy - Authentication bypass in Node.js websocket module vulnerability   Alert

Jan 15, 2025 - Fortinet has released information regarding an identified vulnerability in FortiOS version 7.0 and FortiProxy versions 7.0 and 7.2 instances. ASD’s ACSC recommends customers follow the advice contained in Fortinet’s notification.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/protect-yourself/easy-steps-secure-yourself-online

Easy steps to secure yourself online   Guidance

Apr 7, 2021 - Reduce the risk of being targeted by cybercriminals by following these easy steps.

Individuals & families
/about-us/view-all-content/alerts-and-advisories/vulnerability-in-progress-kemp-products

Vulnerability in Progress Kemp products   Alert

Feb 22, 2024 - ASD’s ACSC is aware of a vulnerability (CVE-2024-1212) that affects all Progress Kemp LoadMaster releases after 7.2.48.1. Organisations are strongly encouraged to take immediate action to patch relevant systems.

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

Hardening Linux workstations and servers   Publication

Nov 27, 2023 - This publication has been developed to assist organisations in understanding how to harden Linux workstations and servers.

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

Quishing   Threat

Nov 2, 2023 - Quishing is a form of phishing attack that uses QR codes instead of text-based links in phishing emails, digital platforms or on physical items. Quishing is a social engineering technique used by scammers and malicious actors to trick their victims into providing sensitive personal information or downloading malware onto their devices.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/alerts/use-log4j-vulnerabilities-ransomware-activity

Use of Log4j vulnerabilities in ransomware activity   Alert

Dec 23, 2021 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) expects an increase in ransomware activity using Log4j as an exploit vector. Malicious actors may take advantage of trivial exploits to impact Australian organisations.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news/new-advisory-prc-state-sponsored-actors-compromise-networks-worldwide-to-feed-global-espionage-system

New advisory – PRC state-sponsored actors compromise networks worldwide to feed global espionage system   News

Aug 28, 2025 - Don’t feed their global espionage systems – read the full advisory for vital insights on threat hunting, indicators of compromise, and mitigation strategies to help your organisation safeguard your networks and assets.

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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