Patent ID: 9584539
Date: 2017-02-28
CPC Classifications: G06F,H04L

Claim:
1. A method of secure scanning of a second web page linked to a first web page being displayed by a browser in a browser window on a client computing device, the method comprising: identifying a target link to a second web page from one or more links that are contained within a first web page; prior to receiving a user selection of the target link, prefetching content from the second web page; loading the prefetched content from the second web page into a safe cache on the client computing device before receiving the user selection of the target link; scanning the prefetched content from the second web page for a security threat, within the safe cache, wherein the safe cache is configured to prevent the prefetched content from altering a memory location or storage location external to the safe cache; detecting user placement of a cursor proximate to the target link; in response to identifying a security threat within the prefetched content, presenting a warning to the user along with one or more selectable options, including an option to ignore the warning; and in response to identifying no security threat within the prefetched content, or in response to the user selecting the option to ignore the warning, causing display of a second window comprising the prefetched content.