Patent ID: 11949707
Assignee: CLOUDFLARE, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 17:
18. The apparatus of claim 13, wherein the operations further include:
wherein the email further includes a third link that refers to a third external resource;
performing the first suspicious link determination to determine whether the third link is suspicious, wherein a third result of the first suspicious link determination is that the third link is suspicious;
responsive to the third result of the first suspicious link determination, rewriting the third link to refer to the email security service such that responsive to the third link being opened, a request is transmitted to the email security service and not to the third external resource;
wherein the email that is delivered to the recipient includes the rewritten first link, the second link that is not rewritten, and the rewritten third link;
receiving a second request from a client device responsive to the third link being opened;
performing the second suspicious link determination to determine whether the third link is suspicious, wherein a second result of the second suspicious link determination is that the first third link is not suspicious; and
responsive to the second result of the second suspicious link determination, causing the second link to be opened by the client device.