Intellectual Olympiad in Information Security Systems - 2026 ongoing

Subject: Information Security Systems
Level: IX
Category: student
Quiz questions: in Chinese
Example question: 在Bell–LaPadula模型中，哪项规则用于防止高密级信息泄露到低密级主体？ 简单安全性质：禁止向上读, 星属性：禁止向下写, 自主安全性质：禁止执行, 调用属性：禁止向上写