公开(公告)号：US11483386B1

公开(公告)日：2022-10-25

申请号：US17644072

申请日：2021-12-13

Applicant: Box, Inc.

Inventor： Kechen Huang ,  Nitya Sundareswaran ,  Yi Zhao ,  Yuvnesh Modi ,  Rena Mashintchian ,  Alok Ojha ,  Pal Ramanathan

IPC: H04L67/1095 ,  H04L9/40 ,  H04L67/306

Abstract: A cloud-based content object management system responds to download requests from user devices to provide access to synchronization code. Using the synchronization code, a user device requests, receives, and stores a user-device-local copy of a subject content object. The cloud-based content object management system determines that at least one security-related parameter pertaining to the subject content object has undergone a change and reaches a determination that the user-device-local copy of the subject content object is to be either deleted or quarantined. Upon such determination, the cloud-based content object management system forms eviction instructions and sends them to the user device, which in turn causes deletion or quarantining of the remote content object copy at the user device, while still retaining directory structure metadata that refers to the now evicted subject content object. The subject content object stored at the cloud-based content object management system is synchronized with other user devices.