Contrast Security

Contrast Security is a Pleasanton, California-based cybersecurity company that secures software from the inside out. Founded in 2014 by OWASP veterans Jeff Williams and Arshan Dabirsiaghi, it pioneered an instrumentation-based approach that embeds security sensors directly into running applications to detect vulnerabilities and block live attacks in real time. Its runtime security platform spans Interactive Application Security Testing (IAST), Runtime Application Self-Protection (RASP), static analysis (SAST), software composition analysis (SCA), and Application Detection and Response (ADR), serving Fortune 500 enterprises and government agencies.