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DarkSword Malware

schneier.com·May 5, 2026

DarkSword is a sophisticated government-designed malware targeting iOS devices, utilizing multiple zero-day vulnerabilities to fully compromise them. It has been observed in campaigns by various threat actors, including state-sponsored groups, against targets in several countries, and a version of the exploit has recently leaked online. Regularly updating devices is essential for safety against this threat.

DarkSword's exploitation of multiple zero-day vulnerabilities in iOS highlights the urgent need for robust threat intelligence and rapid patch management within your security operations. Given its use by state-sponsored actors, maintaining vigilance on vulnerability disclosures and ensuring timely updates to iOS devices is critical. Additionally, this case underscores the importance of adopting a zero trust architecture, as sophisticated malware like DarkSword can circumvent traditional security measures.

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