Protection From Sms Bomber
While legitimate subscription texts require you to reply "STOP" to unsubscribe, many bombers use spoofed numbers. Replying "STOP" confirms to the attacker that your number is active and monitored. Only do this if the text is from a recognizable shortcode (e.g., 72973) from a brand you know.
Here’s a comprehensive write-up on , covering what they are, how they work, and actionable steps to defend against them. Protection From Sms Bomber