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Cybercriminals Deploy CORNFLAKE.V3 Backdoor via ClickFix Tactic and Fake CAPTCHA Pages
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Cybercriminals Deploy CORNFLAKE.V3 Backdoor via ClickFix Tactic and Fake CAPTCHA Pages

Threat actors have been observed leveraging the deceptive social engineering tactic known as ClickFix to deploy a versatile backdoor codenamed CORNFLAKE.V3.Google-owned Mandiant described the activity, which it tracks as UNC5518, as part of an access-as-a-service scheme that employs fake CAPTCHA pages as lures to trick users into providing initial access to their systems, which is then

First seen on thehackernews.com

Jump to article: thehackernews.com/2025/08/cybercriminals-deploy-cornflakev3.html

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