Verification Method 2019.pdf: Sms

Below is an overview of the core concepts, security risks, and technical implementations as they were established or studied in 2019. 1. Core Workflow of SMS Verification

Papers from this era, such as On the Security Verification of a Short Message Service Protocol , highlighted that SMS is not inherently secure because it travels over unencrypted mobile networks [35]. SMS Verification Method 2019.pdf

: This directive, which came into full effect in September 2019 , forced banks to implement Strong Customer Authentication (SCA). Many banks chose SMS-OTP as the most accessible second factor for compliance [6]. 3. Security Risks Identified in 2019 Research Below is an overview of the core concepts,