Third-party security software implicated in widespread crash
Many Australian businesses were left scrambling today after a major IT outage impacted a wide range of industries. The culprit? A technical issue with CrowdStrike Falcon Sensor, a security software program used by many companies.
The outage, which began around 3 pm AEST on Friday, affected businesses across various sectors, including:
- Financial institutions: Major banks like Commonwealth Bank and NAB reportedly experienced disruptions.
- Retail: Supermarket giant Woolworths and convenience store chain 7-Eleven were also impacted.
- Media: National broadcasters ABC and Foxtel encountered issues.
- Telecommunications: Disruptions were reported by some telecommunication providers.

Cause of the Crash
According to sources, the issue stemmed from a bug within the CrowdStrike Falcon Sensor, which caused computers to crash and display the infamous “blue screen of death.” This critical error effectively rendered many systems unusable.
CrowdStrike Acknowledgement and Resolution Efforts
CrowdStrike acknowledged the issue promptly and confirmed it was related to their Falcon Sensor. Their engineering team is actively working on a resolution, and updates are being posted on their support page [support page for CrowdStrike Falcon Sensor outage].
Microsoft Response
While Microsoft themselves weren’t directly responsible for the outage, many affected businesses utilize Microsoft 365, which was impacted by the crashing computers. Microsoft has confirmed they are aware of the situation and are monitoring the situation closely. They are providing updates on their service status page [Microsoft service status].
Current Status (as of Friday, 19 July 2024, 5:45 pm AEST)
At the time of writing, the outage is ongoing. CrowdStrike is actively working on a solution, and Microsoft is monitoring developments. No estimated time for resolution has yet been announced.
Impact and Potential Repercussions
This widespread outage has undoubtedly caused significant disruption for businesses across Australia. The extent of the impact will likely vary depending on the individual company’s reliance on affected systems.
We’ll continue to monitor the situation and provide updates as they become available.

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