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
      • 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 cybersecurity
      • Strategies to mitigate cybersecurity 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

Watch out for threats
Ransomware

Search results

Displaying search results for
Displaying 601 - 630 of 661 results.

Applied filters
Clear all filters

/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
/resources-business-and-government/essential-cybersecurity/small-business-cybersecurity/small-business-cloud-security-guide/technical-example-multi-factor-authentication

Small Business Cloud Security Guides: Technical Example - Multi-Factor Authentication   Publication

Dec 16, 2022 - Multi-factor authentication (MFA) makes it harder for adversaries to use compromised user credentials to access an organisation’s systems. It is one of the most important cybersecurity measures an organisation can implement.

Small & medium businesses
/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/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
/learn-basics/explore-basics/update-your-devices

Update your devices  

Jan 25, 2023 - Updates are new, improved, or fixed versions of software. Regular updates are critical in maintaining a secure system. It's important to check for any updates and make sure that automatic updates are switched on. 

/protect-yourself/staying-secure-online/shopping-and-banking-online/online-shopping/after-youve-made-purchase

After you've made a purchase   Guidance

Once you’ve made a purchase you still need to remain vigilant. Cybercriminals can target you even after you’ve made a purchase on a legitimate website. Learn what to look out for after you’ve bought something online.

Individuals & families
/protect-yourself

Protect yourself  

Jul 30, 2024 - Advice and information about how to protect yourself online.

/about-us/view-all-content/alerts-and-advisories/nextjs-authentication-bypass-vulnerability-cve-2025-29927

Next.js authentication bypass vulnerability (CVE-2025-29927)   Alert

Mar 25, 2025 - An authentication bypass in the middleware layer of Next.js can allow a remote attacker to bypass security checks. Customers should update to the patched version immediately.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/resources-business-and-government/essential-cybersecurity/small-business-cybersecurity/small-business-cloud-security-guide/technical-example-regular-backups

Small Business Cloud Security Guides: 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
/about-us/alerts/remote-code-execution-vulnerability-present-atlassian-confluence-server-and-data-center

Remote code execution vulnerability in Windows DNS (CVE-2020-1350)   Alert

Jul 15, 2020 - On 14 July 2020, Microsoft acknowledged a critical remote code execution vulnerability in Windows Domain Name System (DNS), which could allow an adversary to run arbitrary code.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/news/australia-fighting-back-against-ransomware

Australia is fighting back against ransomware   News

Jun 15, 2021 - Australians continue to be targeted by cybercriminals through ransomware campaigns impacting multiple sectors across our economy.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/news/boost-your-cyber-defences-backups

Boost your cyber defences with backups   News

Aug 17, 2021 - Backing up your data is one of the best defences against ransomware attacks conducted by the opportunistic cyber criminals who continue to threaten Australian businesses, organisations, and families.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/news/mandatory-incident-reporting

Mandatory Incident Reporting   News

Apr 11, 2022 - New measures to enhance the cyber security of Australia’s critical infrastructure.

Organisations & Critical Infrastructure
/about-us/advisories/revised-patch-released-disable-mitigation-against-spectre-variant-2

Revised patch released to disable mitigation against Spectre variant 2   Advisory

Jan 29, 2020 - Intel has confirmed that the microcode updates designed to mitigate Spectre variant 2 (CVE-2017-5715: Branch Target Injection) have introduced an increased risk of system instability, data loss and corruption.

Organisations & Critical Infrastructure
Government
/about-us/news/ditch-password-for-passphrases

Why it’s time to ditch your one password for passphrases   News

Apr 28, 2023 - Your accounts are only as strong as the tools keeping them secure. One of the most effective ways of protecting your personal information and accounts is to use a strong passphrase.

Individuals & families
/about-us/news/act-now-defend-against-vicious-cybercriminals

Act now to defend against vicious cybercriminals   News

Jul 20, 2021 - Cybercriminals are targeting Australians at an unprecedented level to steal sensitive information and money, including through business email compromise and ransomware attacks.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/learn-basics/explore-basics/passphrases

Set secure passphrases  

Jul 30, 2024 - Where multi-factor authentication is not available, a strong passphrase is your best defence. 

/learn-basics/explore-basics/mfa

Turn on multi-factor authentication  

Nov 9, 2022 - Protect your important accounts with extra login steps.

/about-us/view-all-content/programs

Programs  

Nov 3, 2022 - Find relevant cyber security programs

/resources-business-and-government/assessment-and-evaluation-programs/infosec-registered-assessors-program/irap-resources

IRAP resources   Program page

Jun 16, 2025 - IRAP resources

Small & medium businesses
Organisations & Critical Infrastructure
Government
/resources-business-and-government/essential-cybersecurity/small-business-cybersecurity/small-business-cloud-security-guide/technical-example-configure-macro-settings

Small Business Cloud Security Guides: Technical Example - Configure Macro Settings   Publication

Dec 16, 2022 - Configuring macro settings protects an organisation’s systems from malicious macros. Macros are powerful tools. They were introduced to improve productivity however their functionality can also be used by cyber criminals to compromise a user’s system.

Small & medium businesses
/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
/report-and-recover/single-reporting-portal

Single Reporting Portal   Guidance

Nov 22, 2023 - To help you meet your reporting responsibilities, the Australian Government has brought together a list of Commonwealth legislative reporting requirements that could be triggered by a cybersecurity incident.

Small & medium businesses
Organisations & Critical Infrastructure
/resources-business-and-government/essential-cyber-security/protecting-your-business-and-employees/business-resources

Business resources  

Apr 11, 2023 - Protecting your business from cybercriminals is vital in keeping your people and systems secure. Learn how to protect your business from cyberthreats.

Small & medium businesses
Organisations & Critical Infrastructure
/resources-business-and-government

Resources for business and government  

Resources for business and government on cybersecurity.

/resources-business-and-government/assessment-and-evaluation-programs/infosec-registered-assessors-program/irap-application-form

IRAP application form   Program page

May 7, 2024 - IRAP application form

Small & medium businesses
Organisations & Critical Infrastructure
Government
/resources-business-and-government/essential-cybersecurity/protecting-your-business-and-employees/business-resources/first-nations-resources

First Nations Business Resources   Guidance

Jan 5, 2023 - Cybercriminals are finding new ways to target First Nations businesses all the time. There are a few simple things you can do to keep yourself and your business secure online.

Small & medium businesses
/resources-business-and-government/assessment-and-evaluation-programs/national-exercise-program

National Exercise Program   Program page

Jul 12, 2018 - Our National Exercise Program helps critical infrastructure and government organisations validate and strength Australia's nationwide cyber security arrangements.

Organisations & Critical Infrastructure
Government
/translated/lao

ລາວ (Lao)   Guidance

Aug 17, 2023 - The information and resources available are intended to increase your safety online and have been translated into Lao.

Individuals & families
Small & medium businesses

Pagination

  • First page « First
  • Previous page ‹‹
  • Page 1
  • Page 2
  • Current page 3
Report a cybersecurity incident for critical infrastructure
Get alerts on new threats Alert Service
Become an ASD Partner
Report a cybercrime or cybersecurity 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