CounterTack, the provider of Big Data Endpoint Detection and Response (EDR), has acquired ManTech Cyber Solutions International (MCSI), a commercial software division of ManTech International Corporation (Nasdaq:MANT). The acquisition enhances CounterTack’s position in the EDR market and product offer by combining real-time operating system-level behavioral threat detection with in-memory threat analysis that maps to the entire cyber kill chain and scales enterprise-wide. This acquisition comes soon after CounterTack’s recent $15 million Series C round of funding.