Abstract: Embodiments of the invention disclose a method and apparatus for detecting security of an online shopping environment. The method comprises: triggering a corresponding monitoring mode according to that a user operates a website via a terminal browser, wherein the monitoring mode comprises an online shopping monitoring mode or a payment monitoring mode; and sending danger prompt information to the terminal if in the monitoring mode it is monitored that the website is an unknown website and it is determined that the unknown website is a dangerous website according to a preset security policy, wherein the security policy is a preset policy for guaranteeing security of an online shopping environment. The present invention can ensure the security of the online shopping environment of the user.