First Cyber Attack Exploiting Deno Runtime for Fileless Malware Detected

First Cyber Attack Exploiting Deno Runtime for Fileless Malware Detected

First seen 10 Mar 2026, 16:25 UTC •AijournBakersfieldSecuritybrief.Co.Nz •92% similarity •51.9

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A new cyber attack has been identified that exploits the Deno JavaScript runtime to deliver fileless malware. This incident marks the first known use of Deno in such a malicious context, raising concerns among cybersecurity experts about the potential for widespread exploitation. Organizations utilizing Deno are urged to enhance their security measures to mitigate risks.

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2026-03-10
ThreatDown reports first cyber attack using Deno for fileless malware delivery

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