Comcast Block Calls May 2026

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

“This is Comcast’s Security Assurance Team. We have detected unusual activity on your home network. To avoid service interruption, press 1 immediately.” comcast block calls

“I need you to call your internal network security team,” Clara said quietly. “Not customer support. Not retail. The people who watch the backbone.” It wasn’t perfect

In the distance, a train horn sounded. Clara’s phone buzzed. A text from her sister: Finally got through. You okay? We have detected unusual activity on your home network

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 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.