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Rise of Browser-in-the-Browser Phishing Attacks Targeting Users

Rise of Browser-in-the-Browser Phishing Attacks Targeting Users

First seen 12 Jan 2026, 23:49 UTC

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ThreatCluster AI
ThreatCluster March 12, 2026 at 13:27 UTC

Cybercriminals have increasingly adopted the browser-in-the-browser (BitB) phishing technique to deceive users into providing their login credentials. This method, which creates a fake browser window mimicking legitimate login pages, has been used to target various online services, including Facebook and Steam. Researchers indicate that these attacks aim to steal accounts for scams, personal data harvesting, or identity fraud.

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