1PRINCE FREDERICK, MD – 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.

Key Points

• Calvert County’s Everbridge alert system was hacked and used to send an unauthorized message

• The Sheriff’s Office and Technology Services are investigating and restoring system security

• Officials say updates will be shared once the system is fully secured

Unauthorized alert sparks investigation

The breach was reported earlier in the day when

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