PreEmptive
Leaders in Application Security & Protection
PreEmptive is an application security company that helps developers protect source code and intellectual property from reverse engineering, tampering, and AI-assisted attacks. Its products—Dotfuscator (.NET/MAUI), DashO (Java/Android), and JSDefender (JavaScript)—apply layered obfuscation, runtime integrity checks, and tamper detection directly within the build pipeline, without requiring code changes or runtime overhead. The company has been in business for over 25 years and is trusted by thousands of organizations, including many Fortune 500 companies.
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