Monitoring method and system for account information

The invention provides a monitoring method and system for account information, and relates to the technical field of data processing. The monitoring method comprises the steps of: scanning a to-be-monitored database so as to obtain account information of a to-be-monitored database, wherein the account information comprises but is not limited to at least one of a to-be-detected account and authority information of the to-be-detected account; comparing the account information of the to-be-monitored database with a historical account information table, and determining target information, whereinthe historical account information table comprises authority information different from the account information of the to-be-monitored database, and the historical account information table comprisesaccount information obtained through pre-scanning; and generating warning information based on the target information, and sending the warning information to a user. Thus, the technical problem of lack of supervision of a data