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 lease the phone numbers.
According to a new report published by Infoblox, the operation is believed to



Source: TheHackerNews
Source Link: https://thehackernews.com/2026/04/fake-captcha-irsf-scam-and-120-keitaro.html