Block Calls - Comcast

“It’s happening again,” she said. “Third time this week. They’re trying to get me to ‘verify’ my router password.”

It wasn’t perfect. But it was a start.

Clara looked at her silent, working-again phone. “So what do we do?” comcast block calls

That night, Leo sat on his porch with a glass of bourbon. Clara joined him.

But one missed call stood out. It was from her bank’s fraud department, timestamped 2:15 PM that same day. Urgent: Suspicious login from unknown device. Please call us. “It’s happening again,” she said

“There,” he said, pointing. “A redirect rule. Not at your phone. Not at Comcast’s consumer gateway. At the core routing level. This is carrier-grade fraud, Clara. Someone has a key to the kingdom.” Clara did something most people wouldn’t. She didn’t call Comcast’s 1-800 number—she knew that line was compromised. Instead, she drove to the local Comcast store, waited forty-five minutes in a plastic chair, and asked for the store manager, a woman named Denise.

The effect was surgical. For a subset of numbers in the 412 area code—Clara’s, her sister’s, her boss’s—the switch began silently forwarding all inbound calls to a dead-end VoIP server in a strip mall in Delaware. Outbound calls still worked. The victims never knew. But it was a start

He opened his laptop and pulled up a public SS7 monitoring tool—a hobbyist’s window into the phone network’s skeleton. He filtered by Clara’s prefix.