According to sources, Calvert County Everbridge emergency notification system (a Public Safety organization in Maryland) was hit with a cyber attack. It was first reported on 2025-10-29.
Source 1 | 2025-10-29
“ Authorities in Calvert County are investigating a security breach after the county’s Everbridge emergency notification system was compromised earlier Wednesday.“
“Officials say an unauthorized message was sent to subscribers before the system was shut down. “
“The Calvert County Sheriff’s Office confirmed it is working with county technology staff to contain the incident and prevent further unauthorized use. “
Guarding Against Data Breaches
Cybersecurity for Critical Infrastructure
SecuLore provides Managed Detection and Response (MDR) to protect our nation’s critical infrastructure from cyber threats. Our expertise is built on deep knowledge of 9-1-1 technology, cyberwarfare, and ethical hacking, ensuring the highest level of cybersecurity for public safety agencies.

