Data detection method, equipment and medium

The invention discloses a data detection method and device and a medium, and the method comprises the steps: carrying out the type detection of to-be-detected data through a first Bloom filter, and obtaining a first result; if the first result shows that the to-be-detected data is of the first type, searching the to-be-detected data in a database to obtain a second result; wherein the database at least stores the data of the first type; and based on the second result, rechecking whether the to-be-detected data is the first type, and if the second result shows that the to-be-detected data is not the first type, determining that the to-be-detected data is not the first type. 本申请公开了一种数据检测方法、设备及介质，其中，所述方法包括：通过第一布隆过滤器对待检测数据进行类型检测，得到第一结果；若所述第一结果表示所述待检测数据为第一类型，在数据库中查找所述待检测数据，得到第二结果；其中，所述数据库中至少存储有所述第一类型的数据；基于所述第二结果，复核所述待检测数据是否确为所述第一类型，若所述第二结果表示所述待检测数据不为所述第一类型，确定所述待检测数据不为所述第一类型。