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/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
/about-us/view-all-content/news-and-media/case-for-memory-safe-roadmaps

The Case for Memory Safe Roadmaps – Joint Cyber Security Guide   News

Dec 7, 2023 - In partnership with our international partners we released a joint cyber security guidance on Secure-by-Design memory safe roadmaps.

Organisations & Critical Infrastructure
Government
/about-us/alerts/remote-code-execution-vulnerability-present-fortinet-devices

Remote code execution vulnerability present in certain versions of Palo Alto firewalls utilising the GlobalProtect VPN component   Alert

Nov 11, 2021 - A vulnerability has been identified in certain versions of Palo Alto firewalls utilising the GlobalProtect VPN component. Affected Australian organisations should apply the available update as soon as possible.

Organisations & Critical Infrastructure
Government
/about-us/alerts/critical-vulnerability-present-certain-versions-apple-ios-and-ipados

Critical vulnerability present in certain versions of Apple iOS and iPadOS   Alert

Oct 13, 2021 - A vulnerability has been identified in certain Apple products which could allow an actor to install malware or perform other actions on a vulnerable device.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/alerts/remote-code-execution-vulnerability-present-windows-scripting-engine-microsoft-windows

Remote code execution vulnerability present in the Windows Scripting Engine of Microsoft Windows   Alert

Sep 16, 2021 - A vulnerability exists in a component of Microsoft Windows. A malicious cyber actor could exploit this vulnerability to execute arbitrary code, potentially enabling the actor to take control of the vulnerable host. Affected Australian customers should apply the security update provided by Microsoft.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/alerts/critical-vulnerability-present-certain-versions-microsoft-excel

Critical vulnerability present in certain versions of Microsoft Excel   Alert

Nov 11, 2021 - Microsoft has identified active exploitation of a vulnerability in Microsoft Excel. Affected Australian organisations should apply the available security update as soon as possible.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/alerts/remote-code-execution-vulnerability-present-vm2-sandbox

Remote code execution vulnerability present in the MSHTML component of Microsoft Windows   Alert

Sep 14, 2021 - A vulnerability exists in a component of Microsoft Windows. A malicious cyber actor could exploit this vulnerability to execute arbitrary code, potentially enabling the actor to take control of the vulnerable host. At this current time there is no patch available, affected Australian customers should apply the Microsoft recommended workarounds.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/alerts/remote-code-execution-vulnerability-present-sonicwall-sma-100-series-appliances

Remote code execution vulnerability present in SonicWall SMA 100 series appliances   Alert

Jan 19, 2022 - A vulnerability (CVE-2021-20038) has been identified in SonicWall SMA 100 series appliances. Exploitation of this vulnerability could allow an unauthenticated malicious cyber actor to perform remote code execution. Affected Australian organisations should apply the available patch.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news-and-media/cyber-security-awareness-month-2024

Cyber Security Awareness Month 2024   News

Oct 1, 2024 - October is Cyber Security Awareness Month, a time for all Australians to talk about cyber security and take action to protect their devices and accounts.

Individuals & families
Small & medium businesses
/about-us/alerts/critical-vulnerability-certain-versions-apache-http-server

Critical vulnerability in certain versions of Apache HTTP Server   Alert

Oct 8, 2021 - A vulnerability exists in Apache HTTP Server 2.4.49. A cyber actor could exploit this vulnerability to execute arbitrary code. Initial information also indicates that the vulnerability could also be used perform remote code execution under certain configurations. Affected Australian organisations should apply the available patch.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/alerts/remote-code-execution-vulnerability-present-open-management-infrastructure-affects-certain-microsoft-azure-services

Remote code execution vulnerability present in Open Management Infrastructure, affects certain Microsoft Azure services   Alert

Sep 16, 2021 - A remote code execution vulnerability exists in Open Management Infrastructure, a management agent used in certain Linux-based Microsoft Azure services. Exploitation of this vulnerability could allow a malicious actor to take control of the vulnerable host. Affected organisations should apply the available security update.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/advisories/sextortion-campaign-what-do-if-you-receive-email

Sextortion campaign - What to do if you receive the email   Advisory

Apr 16, 2020 - In most cases, there is no reason to be concerned. These emails are typically generated in their thousands by online scammers using limited personal details, with the aim of intimidating recipients into paying the ransom.

Individuals & families
/about-us/alerts/critical-vulnerabilities-present-certain-versions-apple-ios-macos-and-safari

Critical vulnerabilities present in certain versions of Apple iOS, macOS and Safari   Alert

Sep 14, 2021 - Vulnerabilities have been identified in certain versions of Apple iOS, macOS and Safari which could allow an actor to install malware or perform other actions on a vulnerable device or computer.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/alerts/remote-code-execution-vulnerability-present-samba-versions-prior-41317

Remote code execution vulnerability present in Samba versions prior to 4.13.17   Alert

Feb 4, 2022 - A vulnerability (CVE-2021-44142) has been identified in Samba versions prior to 4.13.17. Exploitation of this vulnerability could allow a malicious cyber actor to perform privileged remote code execution. Affected Australian organisations should apply the available patch, including affected software vendors.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/news/Improve-cyber-security-with-quad-cyber-challenge

Improve your cyber security with the Quad Cyber Challenge!    News

Apr 6, 2023 - The challenge is aimed at promoting responsible cyber security practices across Australia, India, Japan and the United States. 

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/alerts/zoho-manageengine-servicedesk-plus-desktop-central-remote-code-execution-vulnerabilities

Zoho ManageEngine ServiceDesk Plus & Desktop Central remote code execution vulnerabilities   Alert

Dec 8, 2021 - Vulnerabilities have been identified in certain versions of Zoho ManageEngine ServiceDesk Plus and Desktop Central product suites. Australian organisations using vulnerable Zoho ManageEngine products should apply the available patch.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/alerts-and-advisories/critical-vulnerabilities-owncloud-file-share

Critical vulnerabilities in ‘ownCloud’ file share   Alert

Nov 29, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ACSC) is aware of multiple critical vulnerabilities affecting the file sync and sharing software ‘ownCloud’. This primarily impacts self-hosted instances of the open-source product. Those impacted should apply the patches available and consider the workarounds made available by the vendor.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news-and-media/new-fact-sheet-critical-infrastructure-leaders-actions-mitigate-prc-state-sponsored-cyber-activity

New fact sheet for critical infrastructure leaders – actions to mitigate PRC state-sponsored cyber activity   News

Mar 20, 2024 - The fact sheet provides guidance for critical infrastructure leadership to protect their infrastructure and critical functions from Volt Typhoon – a state-sponsored cyber actor linked to the People’s Republic of China (PRC).

Organisations & Critical Infrastructure
Government
/business-government/asds-cyber-security-frameworks/ism/cybersecurity-guidelines/guidelines-physical-security

Guidelines for physical security   Advice

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

Organisations & Critical Infrastructure
Government
/about-us/news/multi-factor-authentication-stronger-cyber-protection

Multi-factor authentication for stronger cyber protection   News

Feb 25, 2021 - Australians are being urged to strengthen proof of identity protections to help stop cybercriminals gaining unauthorised access to online information and accounts.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/news/Cyber-Security-Awareness-Month-2023

Cyber Security Awareness Month 2023   News

Sep 25, 2023 - October is Cyber Security Awareness Month, a time for all Australians to improve their cyber security knowledge and take action to protect their information and devices.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/news/essential-eight-assessment-course

Essential Eight Assessment Course   News

Jul 4, 2023 - Today, the Australian Signals Directorate has launched the Essential Eight Assessment Course pilot in collaboration with TAFEcyber.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
/business-government/asds-cyber-security-frameworks/mitigating-cybersecurity-incidents

Mitigating cybersecurity incidents  

Aug 30, 2023 - The Australian Signals Directorate has developed prioritised mitigation strategies to help organisations mitigate cybersecurity incidents caused by various cyberthreats.

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
/page-not-found

Page not found  

Jun 14, 2020 - Page not found for error 404

/about-us/alerts/2020-002-critical-vulnerabilities-microsoft-windows

2020-002: Critical vulnerabilities for Microsoft Windows   Alert

Jan 15, 2020 - On 15 January 2020 (AEDT), Microsoft released security patches for three critical and one important vulnerabilities in the Microsoft Remote Desktop Client, Remote Desktop Gateway and the Windows operating system. The ACSC recommends that users of these products apply patches urgently to prevent malicious actors from using these vulnerabilities to compromise your network.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/small-business-cyber-security/small-business-hub/small-business-cloud-security-guides/technical-example-regular-backups

Technical example: Regular backups   Publication

Dec 16, 2022 - Implementing regular backups will assist your organisation to recover and maintain its operations in the event of a cybersecurity incident, for example, a ransomware attack.

Small & medium businesses
/business-government/asds-cyber-security-frameworks/ism/cybersecurity-guidelines/guidelines-media

Guidelines for media   Advice

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

Organisations & Critical Infrastructure
Government
/business-government/asds-cyber-security-frameworks/ism/cybersecurity-guidelines/guidelines-information-technology-equipment

Guidelines for information technology equipment   Advice

Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on information technology equipment.

Organisations & Critical Infrastructure
Government
/protect-yourself/resources-protect-yourself/personal-cyber-security-guides

Personal cyber security guides  

Oct 1, 2021 - This page includes a series of cyber security guides that you can use to protect yourself and be cyber secure.

Individuals & families

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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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