Step by Step Explanation: Development of zero-day exploits is a critical risk, as adversarial entities with access to the source code could analyze it for vulnerabilities to exploit. Legal action or sale of the source code are concerns, but they are not unique to the adversarial context of this scenario. Publication of the source code on the internet is less likely than targeted exploitation in this specific scenario. Reference: CASP+ Exam Objectives 3.2 - Analyze risk scenarios to identify potential exploitation.