Fake CAPTCHA scam turns a quick click into a costly phone bill

Researchers have documented a long‑running campaign that uses fake CAPTCHA pages to trick mobile users into sending dozens of international SMS messages in the background. If you’ve spent any time on today’s web, CAPTCHAs may seem like background noise: click a few traffic lights, prove you’re...

Fake CAPTCHA IRSF Scam and 120 Keitaro Campaigns Drive Global SMS, Crypto Fraud

Cybersecurity researchers have disclosed details of a telecommunications fraud campaign that uses fake CAPTCHA verification tricks to dupe unsuspecting users into sending international text messages that incur charges on their mobile bills, generating illicit revenue for the threat actors who lea...

Fake CAPTCHA Scam Abuses Verification Clicks to Send Costly International Texts

Research from Infoblox reveals a massive Click2SMS fraud scheme using fake CAPTCHAs and back button hijacking to trick victims into sending costly international texts...