Police Department Fully Encrypted

Northbrook Police

Cook, Illinois

Encryption Details

Encryption Type P25 AES-256
Scope Dispatch
Technical Details P25 AES-256

Verified Talkgroup Data

Verified Mar 6, 2026 Low confidence
2 Total Talkgroups
0 Encrypted
2 Unencrypted
0% Encrypted
Radio System: Will County Government IL (P25), New Trier Township High School District 203

What This Means

This agency encrypts all of their radio communications, including routine dispatch. The public, journalists, and even other first responders cannot monitor their activities.

Impact on Transparency

  • Journalists cannot monitor police activity for breaking news or investigative reporting
  • Community members cannot track police response to incidents in their neighborhood
  • Researchers cannot study police communication patterns and response times
  • Other first responders may face interoperability challenges during emergencies

Take Action

Fight encryption at Northbrook Police. Contact local officials to demand transparency.

Northbrook Police Cook, Illinois
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