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/about-us/view-all-content/alerts-and-advisories/russian-fsb-cyber-actor-star-blizzard-continues-worldwide-spear-phishing-campaigns

Russian FSB cyber actor Star Blizzard continues worldwide spear-phishing campaigns   Advisory

Dec 8, 2023 - The Russia-based actor is targeting organisations and individuals in the UK and other geographical areas of interest.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
/threats/types-threats/data-breaches

Data breaches   Threat

Aug 30, 2023 - Sometimes personal information is released to unauthorised people by accident or as the result of a security breach. For example, an email with personal information can be sent to the wrong person, or a computer system can be hacked and personal information stolen. These are known as data breaches or data spills.

Individuals & families
Small & medium businesses
/report-and-recover/recover-from/data-breaches

Report and recover from a data breach   Guidance

Jul 14, 2023 - A data breach occurs when sensitive or personal information is accessed, disclosed or exposed to unauthorised people.

Individuals & families
Small & medium businesses
/protect-yourself/securing-your-devices/how-protect-yourself-malware

How to protect yourself from malware   Guidance

Nov 10, 2023 - Malware (short for 'malicious software') is software that cybercriminals use to harm your computer system or network. Cybercriminals can use malware to gain access to your computer without you knowing, in targeted or broad-based attacks.

Individuals & families
Small & medium businesses
/about-us/alerts/optus-data-breach

Optus Data Breach   Alert

Sep 30, 2022 - To help protect against fraud, Optus has notified customers to look to reputable sources such as Moneysmart and the Office of the Australian Information Commissioner.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
/about-us/view-all-content/news-and-media/new-translated-cyber-security-guides

Translated cyber security guides   News

Nov 3, 2023 - We have released 5 of our popular cyber security guides in more than 20 languages.

Individuals & families
Small & medium businesses
/about-us/view-all-content/publications/bulletproof-hosting-providers

"Bulletproof" hosting providers   Publication

Jan 22, 2025 - Bulletproof hosting (BPH) providers lease cybercriminals a virtual and/or physical infrastructure from which to operate. BPH providers are a specific class of internet infrastructure service that enables malicious actors (including cybercriminals) to host illicit content and run operations on the internet.

Organisations & Critical Infrastructure
Government
/resources-business-and-government/maintaining-devices-and-systems/system-hardening-and-administration/system-administration/patching-applications-and-operating-systems

Patching applications and operating systems   Publication

Nov 27, 2023 - Applying patches to applications and operating systems is critical to keeping systems secure. Patching forms part of the Essential Eight from the Strategies to mitigate cybersecurity incidents.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/alerts/sextortion-email-campaign-impacting-australians

Sextortion email campaign impacting Australians   Alert

Apr 16, 2020 - A large number of Australians are being impacted by an email ‘sextortion’ campaign in which the cyber scammers responsible have threatened to release personal and sensitive information to the recipients’ contacts unless the scammer is paid in cash or bitcoin.

Individuals & families
/threats/types-threats/phishing

Phishing   Threat

Mar 19, 2023 - Learn about phishing attacks and know what to do if you've been targeted.

Individuals & families
/ransomware-playbook

Ransomware Playbook   Guidance

Oct 10, 2024 - This interactive guide is here to assist you with taking all of the appropriate steps to prepare for, respond to and recover from a ransomware incident.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
/about-us/news/head-acsc-talks-cyber-security-natarsha-belling-podcast-special

Head of ACSC talks cyber security with Natarsha Belling in podcast special   News

Nov 29, 2021 - Ms Abigail Bradshaw, head of the Australian Cyber Security Centre (ACSC), recently sat down with journalist Natarsha Belling to discuss the common cyber threats affecting Australians today.

Individuals & families
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
/resources-business-and-government/governance-and-user-education/practical-cybersecurity-tips-business-leaders

Practical cybersecurity 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
/learn-basics/watch-out-threats/types-scams

Types of scams   Guidance

Learn about the common types of scams, how to identify them and how to recover from them.

Individuals & families
/about-us/news/health-sector-snapshot

Health Sector Snapshot   News

Feb 10, 2021 - This Sector Snapshot is designed to enhance awareness of key cyber security threats in the health sector and advise executives and cyber security professionals within the health sector on what they can do to protect their organisation from cyber threats. This report provides a high-level overview of the cyber security environment from 1 January to 31 December 2020.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/resources-business-and-government/governance-and-user-education/governance/mergers-acquisitions-and-machinery-government-changes

Mergers, acquisitions and Machinery of Government changes   Publication

Jun 10, 2022 - This publication provides guidance on strategies that organisations can apply during mergers, acquisitions and Machinery of Government changes.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/alerts-and-advisories/badbazaar-and-moonshine-technical-analysis-and-mitigations

BADBAZAAR and MOONSHINE: Technical analysis and mitigations   Advisory

Apr 9, 2025 - This guidance has been jointly produced by government agencies from the UK, Australia, Canada, Germany, New Zealand, and the US and is supported by members of the NCSC Cyber League. Its provides new and collated threat intelligence on two spywares known as MOONSHINE and BADBAZAAR with guidance for how App store operators, developers and social media companies can keep their users safe.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/news/asdacsc-call-247

The ASD's ACSC On-Call 24/7   News

Nov 25, 2021 - All Australians now have greater access to cyber security help and advice through the Australian Signals Directorate’s Australian Cyber Security Centre's (ASD’s ACSC) enhanced national Cyber Security Hotline - 1300 CYBER1.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/report-and-recover/recover-from/ransomware

Report and recover from ransomware   Guidance

Jul 14, 2023 - Learn where to get help from a ransomware attack, and steps to protect yourself against future incidents.

Individuals & families
Small & medium businesses
/about-us/about-asdacsc/who-we-are/ACSC-social-media-community

ASD's ACSC social media community  

Connect with us on Facebook, Twitter and YouTube, and find out how to subscribe to our RSS feeds.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/alerts-and-advisories/silent-heist-cybercriminals-use-information-stealer-malware-compromise-corporate-networks

The silent heist: cybercriminals use information stealer malware to compromise corporate networks   Advisory

Sep 2, 2024 - Information stealer malware steals user login credentials and system information that cyber threat actors exploit, predominantly for monetary gain. Information stealers have been observed in attacks against multiple organisations and sectors worldwide, including Australia. This advisory provides readers with cyber security guidance on information stealers, including threat activity and mitigation advice for individuals and organisations.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
/resources-business-and-government/maintaining-devices-and-systems/system-hardening-and-administration/system-hardening/iot-secure-design-guidance-manufacturers

IoT Secure by Design guidance for manufacturers   Publication

Sep 21, 2023 - This guidance has been produced for manufacturers in order to help them implement thirteen Secure by Design principles.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/protect-yourself/securing-your-email/email-security/preventing-business-email-compromise

Preventing business email compromise   Guidance

Apr 11, 2023 - There are many easy steps and actions you can take now to protect your business. Learn about the simple, cost-effective and immediately beneficial protective measures you can implement.

Small & medium businesses
/about-us/alerts/property-related-business-email-compromise-scams-rising-australia

Property-related business email compromise scams rising in Australia   Alert

Aug 30, 2021 - Cybercriminals are targeting the property and real estate sector to conduct business email compromise scams. All parties involved in the buying, selling and leasing of property should be vigilant when communicating via email, particularly during settlement periods.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/advisories/protecting-against-cyber-threats-managed-service-providers-and-their-customers

Protecting Against Cyber Threats to Managed Service Providers and their Customers   Advisory

May 12, 2022 - This advisory describes cybersecurity best practices for information and communications technology (ICT), focusing on guidance that enables transparent discussions between MSPs and their customers on securing sensitive data.

Organisations & Critical Infrastructure
/resources-business-and-government/maintaining-devices-and-systems/system-hardening-and-administration/system-hardening/implementing-multi-factor-authentication

Implementing multi-factor authentication   Publication

Nov 27, 2023 - This publication has been developed to provide guidance on what multi-factor authentication is, different multi-factor authentication methods that exist and why some multi-factor authentication methods are more secure, and therefore more effective, than others.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/advisories/covid-19-malicious-scams-threat-awareness-and-guidance

COVID-19 Malicious Scams - Threat Awareness and Guidance   Advisory

Mar 27, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has produced a detailed report, including practical cyber security advice that organisations and individuals can follow to reduce the risk of harm.

Individuals & families
Small & medium businesses
/resources-business-and-government/governance-and-user-education/artificial-intelligence/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
/threats/types-threats/ransomware

Ransomware   Threat

Read through the following case studies and learn from other Australians about how ransomware has affected them.

Individuals & families
Small & medium businesses

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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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