All archived alerts and advisories Title TypeAdvisoryAlert StatusCRITICALHIGHMEDIUMLOW AudienceIndividuals & familiesSmall & medium businessesOrganisations & Critical InfrastructureGovernment Sort by Sort byDate updated (new to old)Date updated (old to new)Title (A-Z)Title (Z-A) Items per page 61218243036424854606672788490200 19 Aug 2021 Alert rating: High Microsoft Exchange ProxyShell Targeting in Australia Alert on malicious actors exploiting the Microsoft Exchange ProxyShell vulnerability to compromise systems and gain unauthorised access. Audience focus: Small & medium businesses Organisations & Critical Infrastructure Government 18 Aug 2021 Alert rating: High Vulnerability Affecting BlackBerry QNX RTOS Alert on the BlackBerry QNX BadAlloc vulnerability (CVE-2021-22156). Organisations should assess exposure and apply relevant security updates. Audience focus: Organisations & Critical Infrastructure 17 Aug 2021 Advisory Vulnerability Affecting BlackBerry QNX RTOS Advisory on the BlackBerry QNX BadAlloc vulnerability (CVE-2021-22156), affecting a widely used real-time operating system. Review and update affected systems. Audience focus: Organisations & Critical Infrastructure 05 Aug 2021 Alert rating: Medium LockBit 2.0 ransomware incidents in Australia Alert warns LockBit 2.0 ransomware is targeting Australian organisations, detailing attack methods, indicators of compromise and mitigation advice Audience focus: Small & medium businesses Organisations & Critical Infrastructure Government 05 Aug 2021 Advisory 2021-006: ASD's ACSC Ransomware Profile - Lockbit 2.0 The LockBit ransomware restricts access to corporate files and systems by encrypting them into a locked and unusable format. Victims receive instructions on how to engage with the offenders after encryption. LockBit affiliates have successfully deployed ransomware on corporate systems in a variety of countries and sectors, including Australia, where the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of numerous incidents since 2020. LockBit affiliates are known to implement the ‘double extortion’ technique by uploading stolen and sensitive victim information to their dark web site ‘LockBit 2.0’, and threatening to sell and/or release this information if their ransom demands are not met. Audience focus: Small & medium businesses Organisations & Critical Infrastructure Government 03 Aug 2021 Alert rating: High SonicWall devices targeted with ransomware utilising stolen credentials Alert on SonicWall devices being targeted for ransomware. ASD’s ACSC is aware of related malicious activity affecting Australian organisations. Audience focus: Organisations & Critical Infrastructure Government Pagination Previous page ‹‹ Page 11 Next page ›› Alerts and Advisories View our recent alerts and advisories Alerts and Advisories Advice, guidance and publications Reports and statistics News Programs Glossary