Recent genomic research has unveiled significant insights into the evolutionary history of squid and cuttlefish, highlighting their extraordinary ability to survive mass extinction events. By analyzing newly sequenced genomes alongside extensive global datasets, scientists determined that these creatures originated over 100 million years ago in the deep ocean, where they found refuge in oxygen-rich areas during environmental upheavals. Following these extinction events, a notable diversification occurred as they adapted to new shallow-water habitats, leading to the rich variety of species we see today.
For businesses, particularly those in technology and environmental sectors, this research underscores the importance of adaptability and resilience in the face of disruption. Just as squid thrived through changing ecosystems, organizations must develop strategies that allow them to pivot and innovate in response to challenges. This is particularly pertinent in cybersecurity and AI, where the landscape is continuously evolving. Understanding these evolutionary principles can inform how companies safeguard their systems and remain competitive, highlighting the necessity of proactive measures in uncertain environments.
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*Originally reported by [Schneier on Security](https://www.schneier.com/blog/archives/2026/04/friday-squid-blogging-how-squid-survived-extinction-events.html)*