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ThreatLocker develops cybersecurity software that controls application access using a deny-by-default model.
ThreatLocker, founded in 2017 and based in Orlando, provides application control, Ringfencing, and network controls to organizations across industries including healthcare, technology, and education. Its subscription products include ThreatLocker Protect. In May 2026, it raised USD 189.2 million in Series F funding led by Elephant, with participation from Arthur Ventures, D. E. Shaw & Co., and Koch Disruptive Technologies.
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