Did you know Central Illinois Security provides video conferencing solutions?
March 2023 marks 30 years in business for Central Illinois Security, Inc.
Register at the CIS booth at Home Expo in Springfield, IL February 4 - 6, 2022 for your chance to win a home starter security kit!
A Comcast Customer Security Assurance Phone Scam Alert for our security customers in Central Illinois.
If your security system uses cellular monitoring, the 3G-4G-CDMA sunset transition may compromise your protection. Learn how CIS will keep you safe.
Wondering how the new 10-digit dialing requirement for area code 217 affects your security and fire systems? Don't worry, CIS has you covered!