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 The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has observed targeting of the Microsoft Exchange ProxyShell vulnerability by Malicious actors. Audience focus: Small & medium businesses Organisations & Critical Infrastructure Government 18 Aug 2021 Alert rating: High Vulnerability Affecting BlackBerry QNX RTOS BlackBerry has disclosed that its QNX Real Time Operating System is affected by a BadAlloc vulnerability - CVE-2021-22156. QNX is the world’s most prevalent real time operating system. Audience focus: Organisations & Critical Infrastructure 17 Aug 2021 Advisory Vulnerability Affecting BlackBerry QNX RTOS The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of a vulnerability affecting the BlackBerry QNX, the world’s most prevalent real time operating system. Audience focus: Organisations & Critical Infrastructure 05 Aug 2021 Alert rating: Medium LockBit 2.0 ransomware incidents in Australia The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has observed an increase in reporting of LockBit 2.0 ransomware incidents in Australia. 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 SonicWall devices are being targeted by a malicious cyber actor as targets for ransomware. The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of likely related activity targeting 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