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Understanding the Optus Data Breach: Key Insights and Lessons
Saved Optus is one of Australia’s leading telecommunications companies. It is based in Sydney, New South Wales, and is a wholly owned Singaporean telecommunications company, a Singtel subsidiary. Since its establishment in 1981, Optus has provided generations of Australians access to broadband, Internet, home phone, digital TV, local, national, and long-distance telephony, satellite, and business…
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Change Healthcare Breach: Impact on Patient Data Security
With an increasing reliance on sharing personal information online among various agencies and providers and adherence to HIPAA laws and other regulations—which may not always have the strongest cybersecurity protocols—we face a potential recipe for disaster. What could go wrong? Unfortunately, this cautionary scenario unfolded in February 2024 when a threat actor and ransomware family…
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Image-based abuse: Sextorton
Warning: The following blog post contains information related to image-based abuse which some readers may find upsetting and distressing. Viewer discretion is advised. Image-based abuse, often referred to as ‘revenge porn,’ occurs when an individual disseminates or threatens to disseminate an intimate image or video of another person without their explicit consent. This form of…
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Preventing Future Cyber Incidents: CrowdStrike Case Study
In July 2024, CrowdStrike experienced a significant incident that led to a global IT outage, affecting many clients and raising serious concerns about cybersecurity practices. This analysis delves into the findings from CrowdStrike’s Root Cause Analysis (RCA) report, shedding light on what transpired, the underlying causes, and the lessons learned. Overview of the Incident On…
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CrowdStrike Technical Issue: Disruptions for Australian Companies and Government
Australians, along with the rest of the world, have been impacted by an IT outage that is considered to be the largest in history. It is believed to be a technical issue rather than a cybersecurity incident, although investigations are ongoing. Major institutions both nationally and internationally have been affected. What happened? On Friday afternoon,…
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What caused the Medibank Hack?
Australia experienced its largest data breach to date at the conclusion of 2022, impacting 9.7 million Medibank customers. The breach resulted in the illicit access of highly sensitive personal information through a ransomware attack perpetrated by cybercriminals. During the incident, Medibank took a firm stance by declining to comply with the hackers’ ransom demand, amounting…