Protos Security and Southfield Announce the Strategic Acquisition of AT-RISK International to Accelerate the Buildout of a Global Intelligence-led Protective Services Platform - PR Newswire
Protos Security→AT-RISK International
Apr 27, 2026

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Protos has acquired At-Risk International, a security alarm monitoring business in Connecticut, for $X. Protos is a tech-enabled managed services security provider based in Norwalk, and the Protos acquisitions expand its monitoring capabilities through an At-Risk International acquisition. At-Risk International supports alarm monitoring services for customers in CT, strengthening Protos’ recurring business services deals CT footprint. The add on acquisition is a private equity acquisition by Southfield-backed Protos, structured as an add-on acquisition within business services M&A, with terms and expected close date pending announcement.
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