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2019-131a: Emotet malware campaign   Alert

Oct 1, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ACSC) has observed an ongoing and widespread campaign of malicious emails designed to spread Emotet across a variety of sectors in the Australian economy, including critical infrastructure providers and government agencies.

Advisory 2020-017: Resumption of Emotet malware campaign   Advisory

Oct 30, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ACSC) has observed the resumption of an ongoing and widespread campaign of malicious emails designed to spread the Emotet malware across a variety of sectors in the Australian economy, including critical infrastructure providers and government agencies.

Watch out for threats  

Nov 2, 2022 - Know what to look for to stay in control of your devices and applications.

Threats  

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

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.

2021-003: Ongoing campaign using Avaddon Ransomware   Advisory

May 8, 2021 - The Australian Cyber Security Centre (ACSC) is aware of an ongoing ransomware campaign utilising the Avaddon Ransomware malware. This campaign is actively targeting Australian organisations in a variety of sectors. This advisory provides details of Avaddon threat actors, dark web activity, targeted countries and sectors, the malware infection chain, and known Techniques, Tools, and Procedures (TTPs). If activity is identified relating to this advisory please report any findings to the ACSC.

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.

Juniper SSR software v6.3.1 on Juniper SSR120, SSR130, SSR1200, SSR1300, SSR1400 and SSR1500  

Jun 27, 2024 - Juniper SSR software v6.3.1

Hardening Microsoft 365, Office 2021, Office 2019 and Office 2016   Publication

Jul 24, 2023 - Workstations are often targeted by malicious actors using malicious websites, emails or removable media in an attempt to extract sensitive information. Hardening applications on workstations is an important part of reducing this risk.

ASD's ACSC has launched a new campaign on Business Email Compromise   News

Jun 28, 2022 - With the end of the financial year ushering in tax season, Australians are urged to strengthen their email security and be alert to criminals trying to fool them into making false payments or giving up details that could make them an easy target for cyber crime.

2021 Top Malware Strains   Advisory

Aug 5, 2022 - This joint Cybersecurity Advisory (CSA) was coauthored by the Cybersecurity and Infrastructure Security Agency (CISA) and the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC).

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.

ASD's ACSC Annual Cyber Threat Report, July 2019 to June 2020   Reports and statistics

Sep 3, 2020 - This report has been jointly produced by the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC), the ACIC and the AFP, and is the first unclassified annual threat report since the ASD's ACSC became part of the ASD in July 2018. The report identifies and describes key cyber security threats targeting Australian systems and networks, and provides a range of examples and real-world case studies of malicious activity targeting Australian networks, between July 2019 and June 2020. It provides mitigation advice that all Australians and organisations can take to defend against these threats.

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.

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.

The Silent Heist: Cybercriminals use information stealer malware to compromise corporate networks   News

Sep 2, 2024 - New advisory released on information stealer malware used in cybercrime attacks.

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.

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.

Malware targeting Centreon software   Alert

Feb 16, 2021 - ANSSI identifies campaign targeting Centreon system monitoring software.

Hunting Russian Intelligence “Snake” Malware   Advisory

May 10, 2023 - This Cybersecurity Advisory (CSA) provides background on Snake’s attribution to the FSB and detailed technical descriptions of the implant’s host architecture and network communications.

Russian State-Sponsored and Criminal Cyber Threats to Critical Infrastructure   Advisory

May 17, 2022 - The cybersecurity authorities of the United States, Australia, Canada, New Zealand, and the United Kingdom are releasing this joint Cybersecurity Advisory (CSA). The intent of this joint CSA is to warn organizations that Russia’s invasion of Ukraine has altered the geopolitical balance in ways that could expose organizations both within and beyond the region to increased malicious cyber activity. This activity may occur as a response to the unprecedented economic costs imposed on Russia as well as materiel support provided by the United States and U.S. allies and partners.

ASD's ACSC and partners alert organisations to top 2021 malware strains   News

Aug 5, 2022 - The top types of malicious software – or malware – seen by the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) and international partners through 2021 have been detailed, along with advice on how to counter them.

Hunting Russian Intelligence “Snake” Malware - Joint Cybersecurity Advisory   News

May 10, 2023 - Today we released a Joint Cybersecurity Advisory with our international partners on the Snake implant. The Snake implant is a sophisticated cyber espionage tool designed and used by Center 16 of Russia’s Federal Security Service for long-term intelligence collection on sensitive targets.

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.

Summary of Tradecraft Trends for 2019-20   Alert

May 20, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) investigated and responded to numerous cyber security incidents during 2019 and 2020 so far.

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.

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.

Increased Global Ransomware Threats   Alert

Feb 10, 2022 - In 2021, cybersecurity authorities in the United States, Australia, and the United Kingdom observed an increase in sophisticated, high-impact ransomware incidents against critical infrastructure organizations globally.

DDoS threats being made against Australian organisations   Alert

May 25, 2020 - Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of a number of Denial of Service (DoS) for ransom threats being made against Australian organisations, primarily in the banking and finance sector.

Revamped guide to protect Australian businesses against cyber threats   News

Jun 22, 2023 - Australian businesses have a new source of help to understand and combat cyber threats through the refreshed Small Business Cyber Security Guide and new video developed by the The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC).