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
      • 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
  • Resources for Business and Government

    Resources for business and government

    Resources for business and government agencies on cyber security.

    Resources for business and government Become an ASD partner Alerts and advisories Exercise in a Box
    • Essential cybersecurity
      • Critical Infrastructure
      • Essential Eight
      • Information security manual
      • Protecting your business and employees
      • Publications
      • Small business cyber security
      • Strategies to mitigate cyber security incidents
    • Maintaining devices and systems
      • Operational technology environments
      • ASD's Blueprint for Secure Cloud
      • Cloud security guidance
      • Outsourcing and procurement
      • Remote working and secure mobility
      • System hardening and administration
    • Governance and user education
      • Governance
      • User education
      • Artificial intelligence
      • Incident response
      • Modern defensible architecture
      • Secure by Design
    • Assessment and evaluation programs
      • Australian Information Security Evaluation Program (AISEP)
      • Critical Infrastructure Uplift Program (CI-UP)
      • Emanation Security Program
      • High Assurance Evaluation Program
      • Infosec Registered Assessors Program (IRAP)
      • Essential Eight Assessment Course
  • 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

Sign up for alerts
Watch out for threats
Ransomware

Search results

Displaying search results for
Displaying 211 - 240 of 413 results.

Applied filters
Clear all filters

/about-us/alerts/prc-state-sponsored-cyber-actor-living-off-the-land-to-evade-detection

People’s Republic of China (PRC) State-Sponsored Cyber Actor Living Off the Land to Evade Detection   Alert

May 25, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC), in conjunction with the United States (US) National Security Agency (NSA) its international partners, has released a Cybersecurity Advisory regarding a PRC state-sponsored cyber actor conducting activity impacting US critical infrastructure (CI) sectors. Because of the potential risk to CI sectors outside the US, all organisations are encouraged to review the published Advisory and report any malicious activity to the ASD's ACSC.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/protect-yourself/securing-your-email/email-security/secure-your-email

Secure your email   Guidance

Jul 29, 2024 - How to protect yourself when using email and reduce spam and malicious emails.

Individuals & families
Small & medium businesses
/about-us/alerts/potential-solarwinds-orion-compromise

Potential SolarWinds Orion compromise   Alert

Jan 25, 2021 - FireEye identifies global campaign leveraging malicious updates to SolarWinds software.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/advisories/covid-19-scam-messages

COVID-19 scam messages   Advisory

Mar 16, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is aware of a COVID-19 themed scam being distributed via text message.

Individuals & families
Small & medium businesses
/resources-business-and-government/maintaining-devices-and-systems/critical-infrastructure/introduction-securing-smart-places

An introduction to securing smart places   Publication

Nov 21, 2022 - Smart places, also known as smart cities, are places designed to provide enhanced services to citizens using a collection of smart information technology (IT)-enabled systems and devices that capture, communicate and analyse data. To achieve this purpose, previously discrete technologies and systems are interconnected to allow for large-scale coordination, real-time decision making, and increased visibility and situational awareness of the smart place’s status.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/alerts/microsoft-exchange-proxyshell-targeting-australia

Microsoft Exchange ProxyShell Targeting in Australia   Alert

Aug 19, 2021 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has observed targeting of the Microsoft Exchange ProxyShell vulnerability by Malicious actors.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/resources-business-and-government/governance-and-user-education/secure-by-design/shifting-balance-cybersecurity-risk

Shifting the Balance of Cybersecurity Risk   Publication

Oct 17, 2023 - The Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency (NSA), Federal Bureau of Investigation (FBI), the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) and the following international partners provide the recommendations in this guide as a roadmap for technology manufacturers to ensure security of their products.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news-and-media/introduction-legislative-change-limited-use-obligation

Introduction of legislative change for Limited Use obligation    News

Oct 31, 2024 - On 9 October 2024, the Australian Government introduced the Intelligence Services and Other Legislation Amendment (Cyber Security) Bill 2024 into Parliament. The Bill amends the Intelligence Services Act 2001 to legislate a Limited Use obligation for the Australian Signals Directorate (ASD).

Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news/new-guidance-small-businesses-protect-your-devices-and-accounts

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.

Small & medium businesses
/about-us/view-all-content/alerts-and-advisories/svr-cyber-actors-adapt-tactics-initial-cloud-access

SVR cyber actors adapt tactics for initial cloud access   Advisory

Feb 27, 2024 - How SVR-attributed actors are adapting to the move of government and corporations to cloud infrastructure.

Organisations & Critical Infrastructure
Government
/resources-business-and-government/maintaining-devices-and-systems/critical-infrastructure/protecting-industrial-control-systems

Protecting industrial control systems   Publication

Jul 1, 2018 - Industrial control systems are essential to our daily life. They control the water we drink, the electricity we rely on and the transport that moves us all. It is critical that cyberthreats to industrial control systems are understood and mitigated appropriately to ensure essential services continue to provide for everyone.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/resources-business-and-government/maintaining-devices-and-systems/system-hardening-and-administration/network-hardening/securing-edge-devices/guidance-on-digital-forensics-and-protective-monitoring-specifications-for-producers-of-network-devices-and-appl

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/view-all-content/news-and-media/november-2023-essential-eight-maturity-model-update

Essential Eight Maturity Model Update   News

Nov 27, 2023 - The Australian Signals Directorate has updated the Essential Eight Maturity Model (E8MM).

Small & medium businesses
Organisations & Critical Infrastructure
Government
/resources-business-and-government/essential-cybersecurity/ism/cybersecurity-guidelines/guidelines-communications-systems

Guidelines for communications systems   Advice

Jul 3, 2025 - This chapter of the Information security manual (ISM) provides guidance on communications systems.

Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news-and-media/cyber-security-charities-and-not-for-profit-organisations

Cyber security for charities and not-for-profit organisations   News

Mar 18, 2024 - With cyber-attacks continuing to increase in frequency and severity across all sectors, the Australian Signals Directorate is encouraging charities and not-for-profit organisations to take action to protect their online systems.

Small & medium businesses
/about-us/view-all-content/alerts-and-advisories/2023-top-routinely-exploited-vulnerabilities

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.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news-and-media/australias-second-ever-cyber-sanction-imposed

Australia’s second ever cyber sanction imposed   News

May 8, 2024 - Today the Australian Government, along with our international partners, has imposed a targeted financial sanction and travel ban on Russian citizen Dmitriy Khoroshev, for his leadership role in the notorious LockBit ransomware group.

/resources-business-and-government/essential-cybersecurity/ism/cybersecurity-guidelines/guidelines-system-monitoring

Guidelines for system monitoring   Advice

Jul 3, 2025 - This chapter of the Information security manual (ISM) provides guidance on system monitoring.

Organisations & Critical Infrastructure
Government
/protect-yourself/securing-your-email/email-security

Email security  

Jul 29, 2024 - Protect yourself, your employees and business from an email security incident before it's too late.

Small & medium businesses
/protect-yourself/staying-secure-online/connecting-others-online/security-tips-online-gaming

Security tips for online gaming   Guidance

Mar 1, 2024 - The world of online gaming is a popular target for scammers and cybercriminals. Gaming accounts can provide access to game licenses and linked payment methods making them highly valuable.

Individuals & families
/resources-business-and-government/essential-cybersecurity/ism/cybersecurity-guidelines/guidelines-cybersecurity-documentation

Guidelines for cybersecurity documentation   Advice

Jul 3, 2025 - This chapter of the Information security manual (ISM) provides guidance on cybersecurity documentation.

Organisations & Critical Infrastructure
Government
/report-and-recover/recover-from/ransomware/protect-yourself-from-ransomware

Protect yourself from ransomware   Guidance

Feb 12, 2025 - A ransomware attack could block you from accessing your device or the information on it. Take some time to consider how a ransomware attack might affect you.

Individuals & families
Small & medium businesses
/about-us/news/cyber-safety-and-security-in-sport

Cyber Safety and Security in Sport   News

Jun 8, 2023 - Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is partnering with Sport Integrity Australia and the Office of the e-Safety Commissioner to deliver the Cyber Safety and Security in Sport course. The course is part of the ASD’s ACSC's commitment to work with industry and government to strengthen Australia’s cyber security posture.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
/about-us/advisories/log4j-what-boards-and-directors-need-know

Log4j: What Boards and Directors Need to Know   Advisory

Jan 7, 2022 - Log4j is a software library used as a building block found in a wide variety of Java applications. The Log4j vulnerability – otherwise known as Log4Shell – is trivial to exploit, and represents a significant business continuity risk. This publication outlines what Boards and Directors need to know in order to protect their businesses.

Small & medium businesses
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/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
/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/google-releases-security-updates-chrome-browser

Google Releases Security Updates for Chrome Browser   Alert

Jun 21, 2021 - On June 17 2021, Google released Chrome version 91.0.4472.114 for Windows, Mac, and Linux. The patch notes for this version can be viewed at Chrome Release Note.

Individuals & families
Small & medium businesses
/about-us/alerts/phone-scams-impersonating-australian-businesses-and-government-agencies

Phone scams impersonating Australian businesses and government agencies   Alert

Aug 13, 2020 - Cybercriminals are spoofing Australian mobile numbers and pretending to be from an Australian Government agency, delivery company or business, manipulating the individual to gain access to their device.

Individuals & families
Small & medium businesses
/threats/types-threats/malware

Malware   Threat

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
Organisations & Critical Infrastructure
Government

Pagination

  • First page « First
  • Previous page ‹‹
  • …
  • Page 4
  • Page 5
  • Page 6
  • Page 7
  • Current page 8
  • Page 9
  • Page 10
  • Page 11
  • Page 12
  • …
  • 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