Skip to main content
Report a cybercrime, cyber security incident or vulnerability.
Report

What are you looking for?

You can search for keywords to find pages that can help you e.g. scam

Report

Contact us

Portal login

  • About us

    About us

    Learn about who we are and what we do.

    About us
    • About ASD's ACSC
      • Who we are
      • Alerts and advisories
      • News
      • Reports and statistics
      • Contact us
  • Learn the basics

    Learn the basics

    Interactive tools and advice to boost your online safety.

    Learn cyber security Sign up for alerts
    • Explore the basics
      • Recognise and report scams
      • Set secure passphrases
      • Set up and perform regular backups
      • Turn on multi-factor authentication
      • Update your devices
      • Watch out for threats
      • Small business
      • Seniors
    • View resources
      • Glossary
      • Quiz library
      • Resources library
      • Translated Information
  • Protect yourself

    Protect yourself

    Advice and information about how to protect yourself online.

    Protect yourself Easy steps to secure yourself online Sign up for alerts
    • Securing your accounts
      • Multi-factor authentication
      • Passphrases
      • Passkeys
    • Securing your devices
      • How to secure your devices
      • How to back up your files and devices
      • How to update your device and software
    • Securing your email
      • Email security
    • Staying secure online
      • Connecting with others online
      • Protect yourself from scams
      • Online shopping
      • Connecting to public Wi-Fi and hotspots
      • Secure your Wi-Fi and router
      • Cybersecurity for charities and not-for-profits
    • Resources to protect yourself
      • Protecting your family
      • Personal cyber security guides
  • Threats

    Threats

    Common online security risks and advice on what you can do to protect yourself.

    Threats Report a cybercrime Sign up for alerts
    • Types of threats
      • Account compromise
      • Business email compromise
      • Cryptomining
      • Data breaches
      • Hacking
      • Identity theft
      • Information stealer
    • <notitle>
      • Malicious insiders
      • Malware
      • Phishing
      • Quishing
      • Ransomware
      • Scams
      • Social engineering
  • Report and recover

    Report and recover

    Respond to cyber threats and take steps to protect yourself from further harm.

    Report and recover Make a report Sign up for alerts
    • Report
      • Report a cybercrime, incident or vulnerability
      • Cybercrime - getting help
      • Single Reporting Portal
    • How we help during a cybersecurity incident
      • ASD’s role in cybersecurity: For legal practitioners
      • Supporting Australian organisations through a cybersecurity incident
      • Limited Use
    • Recover from
      • Account compromise
      • Business email compromise
      • Data breaches
      • Hacking
      • Identity theft
      • Malware
      • Ransomware
      • Scams
  • For business and government

    For business and government

    Resources for business and government agencies on cyber security.

    For business and government Become an ASD partner Cyber Security Awareness Month 2025 Critical infrastructure All publications Alerts and advisories Exercise in a Box
    • ASD's cyber security frameworks
      • Information security manual
      • Blueprint for Secure Cloud
      • Essential Eight
      • Gateway security guidance package
      • Mitigating cyber security incidents
      • Modern defensible architecture
      • Principles of operational technology cyber security
    • Secure design
      • Artificial intelligence
      • Operational technology environments
      • Planning for post-quantum cryptography
      • Secure by Design
    • Protecting devices and systems
      • Assessment and evaluation programs
      • Cloud computing
      • Hardening systems and applications
      • Legacy IT management
      • Remote working and secure mobility
      • Securing edge devices
      • System administration
    • Detecting and responding to threats
      • Cyber security incident response
      • Detecting and mitigating Active Directory compromises
      • Event logging
      • Vulnerability planning
    • Small business cyber security
      • Small business hub
      • Protecting your staff
      • Securing customer personal data
    • Supplier cyber risk management
      • Managed service providers
      • Managing cyber supply chains
    • Protecting business leaders
      • Cyber security for business leaders
      • Questions for boards to ask about cyber security
      • Security tips for social media and messaging apps
  • Contact us
  • Report a cybercrime or cyber security incident
  • Portal login
Australian Cyber
Security Hotline
1300 CYBER1 (1300 292 371)

Search

Filter results by

Content type

  • Advice and guidance
  • Alerts and advisories
  • News and media releases
  • Programs
  • Publications
  • Reports and statistics
  • Threats

Audience

  • Individuals & families
  • Small & medium businesses
  • Organisations & Critical Infrastructure
  • Government

Recommended pages

Recognise and report scams
Watch out for threats
Ransomware

Search results

Displaying search results for
Displaying 31 - 60 of 693 results.

Applied filters
Clear all filters

/about-us/view-all-content/news-and-media/using-content-credentials-to-help-mitigate-cyber-threats-associated-with-generative-AI

Using Content Credentials to help mitigate cyber threats associated with generative AI   News

Jan 30, 2025 - With advanced AI tools, digital media can be created or modified convincingly with minimal effort and cost. Learn more about media provenance solutions to help end users verify the integrity of your organisation’s content.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/news/asdacscncsc-collaboration-strengthen-cyber-security-posture

ASD's ACSC/NCSC collaboration to strengthen cyber security posture   News

Nov 4, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) and the UK’s National Cyber Security Centre (NCSC) are committed to improving our respective nation’s cyber security posture and protecting our networks from cyber threats.

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
/about-us/view-all-content/news-and-media/safeguard-your-business-cyber-threats-australian-signals-directorate

Safeguard your business from cyber threats with the Australian Signals Directorate    News

May 13, 2024 - Australian business owners and organisations can access advice from the Australian Signals Directorate (ASD) to stay secure online.

Small & medium businesses
/report-and-recover/recover-from/account-compromise

Report and recover from account compromise   Guidance

Nov 10, 2023 - A guide to recovering your account and protecting you against future attacks.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
/about-us/alerts/increasing-reports-mygov-related-sms-and-email-scams-targeting-australians

Increasing reports of myGov-related SMS and email scams targeting Australians   Alert

Jul 16, 2020 - Be on the lookout for myGov-related SMS and email scams asking you to verify your myGov details.

Individuals & families
Small & medium businesses
/about-us/view-all-content/news/joint-advisory-released-recent-activity-scattered-spider-threat-actors

Joint advisory released on recent activity by Scattered Spider threat actors   News

Jul 30, 2025 - Read about the tactics, techniques and procedures (TTPs) recently used by Scattered Spider threat actors against the commercial facilities sector and subsectors.

Organisations & Critical Infrastructure
Government
/about-us/advisories/2022-004-asdacsc-ransomware-profile-alphv-aka-blackcat

2022-004: ASD's ACSC Ransomware Profile – ALPHV (aka BlackCat)   Advisory

Apr 14, 2022 - ALPHV (aka BlackCat, Noberus) is a ransomware variant first observed in late 2021, used by cybercriminals to conduct ransomware attacks against multiple sectors and organisations worldwide, including Australia.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/news/cisa-fbi-nsa-and-international-partners-issue-advisory-demonstrated-threats-and-capabilities-russian-state-sponsored-and-cyber-criminal-actors

CISA, FBI, NSA, and international partners issue advisory on demonstrated threats and capabilities of Russian state-sponsored and cyber criminal actors   News

Apr 22, 2022 - Since Russia’s invasion of Ukraine in February, the risk of malicious cyber operations by Russian state-sponsored and criminal cyber actors has increased. The threats to critical infrastructure could impact organisations both within and beyond Ukraine.

Organisations & Critical Infrastructure
Government
/about-us/view-all-content/alerts-and-advisories/email-scammers-impersonating-asds-acsc

Scammers impersonating the ASD's ACSC   Alert

Jun 13, 2025 - Scammers are impersonating the ASD's ACSC sending out phishing emails to the public with the email content suggesting to download a malicious antivirus program.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/alerts-and-advisories/fast-flux-national-security-threat

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.

Organisations & Critical Infrastructure
Government
/report-and-recover/recover-from/identity-theft

Report and recover from identity theft   Guidance

Nov 14, 2024 - Know where to make a report and get help if someone has stolen your personal or business identity.

Individuals & families
Small & medium businesses
/report-and-recover/report/report-a-vulnerability

Report a vulnerability   Service

Report vulnerabilities that are not publicly known, through the Australian Signals Directorate’s Australian Cyber Security Centre's (ASD’s ACSC) coordinated vulnerability disclosure service.

Organisations & Critical Infrastructure
Government
/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
/about-us/advisories/understanding-ransomware-threat-actors-lockbit

Understanding Ransomware Threat Actors: LockBit   Advisory

May 8, 2024 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) alongside international partners have released a joint advisory on the ransomware variant LockBit. It functions as an affiliate-based Ransomware-as-a-Service (RaaS) model where affiliates are recruited to conduct ransomware attacks using LockBit ransomware tools and infrastructure.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/reports-and-statistics/manic-menagerie-investigation-report

Manic Menagerie Investigation Report   Reports and statistics

Jan 29, 2019 - This report details technical findings and mitigation advice related to the extensive compromise of at least eight Australian web hosting providers investigated by the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) in May 2018.

Organisations & Critical Infrastructure
Government
/report-and-recover/report/report-a-cyber-security-incident

Report a cyber security incident   Service

If you are reporting fraud or cybercrime, please refer to the ReportCyber – Cybercrime page.

Organisations & Critical Infrastructure
Government
/about-us/view-all-content/reports-and-statistics/msp-investigation-report

MSP Investigation Report   Reports and statistics

Dec 21, 2018 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) investigation report details the theft of commercial secrets, data and information from the Australian arm of a multinational construction services company via their Managed Service Provider.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/report-and-recover/recover-from/malware

Report and recover from malware   Guidance

Nov 10, 2023 - If you’ve fallen victim to a malware attack, find out what to do and who to contact.

Individuals & families
Small & medium businesses
/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
/business-government/detecting-responding-to-threats/event-logging/best-practices-event-logging-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 cyberthreats.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/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
/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
/report-and-recover/recover-from/scams

Report and recover from scams   Guidance

Apr 11, 2023 - If someone has stolen your money or personal information, find out what to do and who to contact. We also provide advice on how to avoid scams in future.

Individuals & families
Small & medium businesses
/about-us/advisories/threat-update-covid-19-malicious-cyber-activity-20-april-2020

Threat update: COVID-19 malicious cyber activity 20 April 2020   Advisory

Apr 20, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) continues to receive reports from individuals, businesses and government departments about a range of different COVID-19 themed scams, online frauds and phishing campaigns. This threat update is about raising awareness of the evolving nature of COVID-19 related malicious cyber activity impacting Australians.

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

Report and recover from hacking   Guidance

Apr 11, 2023 - If someone has stolen your money or personal information, find out what to do and who to contact. We also provide advice on how to avoid scams in future.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/reports-and-statistics/joint-report-publicly-available-hacking-tools

Joint Report on Publicly Available Hacking Tools   Reports and statistics

Oct 12, 2018 - This report is a collaborative research effort by the cyber security authorities of five nations: Australia, Canada, New Zealand, the UK and USA. It highlights the use of five publicly available tools, observed in recent cyber incidents around the world.

Individuals & families
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
/about-us/view-all-content/news-and-media/join-the-cyber-threat-intelligence-sharing-service-through-sentinel

Join the Cyber Threat Intelligence Sharing service through Sentinel   News

Mar 20, 2024 - The Australian Signals Directorate’s (ASD’s) Cyber Threat Intelligence Sharing (CTIS) is a two-way sharing platform that enables government and industry partners to receive and share information about malicious cyber activity at machine speed.

Organisations & Critical Infrastructure
Government
/report-and-recover/recover-from/business-email-compromise

Report and recover from business email compromise   Guidance

Jul 14, 2023 - Step-by-step guidance on how to respond to and recover from email compromise and impersonation attempts.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government

Pagination

  • First page « First
  • Previous page ‹‹
  • Page 1
  • Current page 2
  • Page 3
  • Page 4
  • Page 5
  • Page 6
  • Page 7
  • Page 8
  • Page 9
  • …
  • Next page ››
  • Last page Last »
Report a cyber security incident for critical infrastructure
Get alerts on new threats Alert Service
Become an ASD Partner
Report a cybercrime or cyber security incident
Acknowledgement of Country Circle
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.

Australian Cyber Security Hotline 1300 CYBER1 (1300 292 371)
  • Contact us
  • Glossary
  • View all content
  • Copyright
  • Privacy
  • Accessibility
  • Disclaimer
  • Careers
  • Social media terms of use

Popular pages

  • Essential Eight
  • Alerts and advisories
  • Information Security Manual
Authorised by the Australian Government, Canberra