18 December 2024

Top 10 Most Devastating Cyber Incidents of 2024 and Lessons for 2025

Scott Bolen 

As 2024 comes to a close, the cyber landscape has witnessed an array of attacks that have reshaped the way we view cybersecurity. These incidents highlight vulnerabilities in technology, supply chains, and human systems. Here’s a look at the top 10 cyber incidents of the year and the critical lessons they offer for the future.

1. Microsoft Executive Email Breach

A Russia-aligned group exploited a legacy account without multifactor authentication (MFA), gaining access to sensitive email communications within Microsoft’s leadership and federal agencies. The attack underscores the importance of enforcing MFA and zero-trust architectures in protecting legacy systems​.

2. Change Healthcare Ransomware Attack

A ransomware attack disrupted U.S. healthcare systems, affecting pharmacies, hospitals, and insurance claims for weeks. With 22 million dollars paid in ransom, the event demonstrated the dire need for resilient disaster recovery plans and robust cybersecurity in critical sectors like healthcare​

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