Enhanced browsing with security scanning

A non-transitory computer-readable storage medium storing instructions thereon that, if executed by a client computing device, cause the client computing device to perform operations of enhanced browsing with security scanning, the instructions comprising:

• instructions to identify a target link to a second web page from one or more links that are displayed within a first web page;
• instructions to prefetch content from the second web page prior to receiving a user selection of the target link;
• instructions to load the prefetched content into a safe cache on the client computing device before receiving the user selection of the target link;
• instructions to scan the prefetched content 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;
• instructions to notify a central server of a result of the scanning of the prefetched content for a security threat;
• and
• instructions to, in response to identifying a security threat within the prefetched content, display a warning to the user if a security threat is detected within the prefetched content.

A method of enhanced browsing with security scanning, the method comprising:

• identifying a target link to content from one or more links that are contained within a first document displayed on a client computing device;
• prior to receiving a user selection of the target link, prefetching the content;
• loading the content into a safe cache on the client computing device before receiving a user selection of the target link;
• while the content is in the safe cache:
• preventing the content from altering a memory location or storage location external to the safe cache;
• and
• scanning the content on the client computing device to identify a presence or absence of a security threat;
• notifying a central server of a result of the scanning of the content for a security threat;
• and
• in response to identifying no security threat within the content or in response to receiving from the user selecting a selectable option to ignore an identified security threat, causing display of a second window comprising the content.