Island Browser — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
1
occurrences
First Seen
November 3, 2025
Last Seen
November 3, 2025

Island Browser is described as a technology platform that is being used as part of a recently observed nation-state malware campaign targeting web browsers.

Overview

Island Browser is described as a technology platform that is being used as part of a recently observed nation-state malware campaign targeting web browsers. The focus on browser-level compromise indicates sophisticated, state-backed activity aimed at data extraction and stealth within user sessions. This is significant for cybersecurity due to the widespread, high-value attack surface browsers represent and the potential for broad impact across individuals and organizations.

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Recent Intelligence Reports

  • Warning issued of new nation state malware targeting browsers — Computing · November 3, 2025

CVSS v3.1 Breakdown