Trail of Bits is a computer security company that was founded in 2012. The company is based in New York, New York and provides services such as security assessments, penetration testing, and incident response to clients in various industries including finance, healthcare, and technology. Trail of Bits is known for its contributions to open source security tools such as the Binary Analysis Platform (BAP) and the Macintosh Security Assessment Framework (MASAF). The company has also conducted research on topics such as blockchain security and vulnerability discovery.