This document has been written for the IT teams of organisations and government who use CrowdStrike products in their environment.
Update 21 July 2024
CrowdStrike has released further technical advice to support customers that may be experiencing remediation difficulties due to Bitlocker implementations.
ASD's ACSC encourages organisations to continue to apply updates and patching to software and security products.
Affected customers should review CrowdStrike’s Bitlocker guidance available at Falcon Content Update Remediation and Guidance Hub.
Update 20 July 2024
ASD’s ACSC understand a number of malicious websites and unofficial code are being released claiming to help entities recover from the widespread outages caused by the CrowdStrike technical incident.
ASD’s ACSC strongly encourages all consumers to source their technical information and updates from official CrowdStrike sources only.
Background / What has happened?
- A CrowdStrike software update has led to outages impacting Windows systems.
- Systems may experience Blue Screens of Death (BSOD), sudden shut downs, and other usability issues.
- CrowdStrike advise this issue is not related to a cyber security incident or malicious activity.
CrowdStrike has released remediation guidance for customers, available via their CrowdStrike Customer Portal. Affected customers are advised to follow CrowdStrike guidance.
Mitigation / How do I stay secure?
CrowdStrike is actively working with customers impacted by the outage and has issued a statement on their blog. Affected customers should review and inact the remediation advice available on the CrowdStrike blog which will be updated as the situation evolves.
Assistance / Where can I go for help?
ASD’s ACSC is monitoring the situation and is able to provide assistance and advice as required. Organisations or individuals that have been impacted or require assistance can contact us via 1300 CYBER1 (1300 292 371).