Skip to content
Research reports

jamf.com

CloudSyncD: a two-stage macOS backdoor that hides a phished password in zero-width Unicode

By Jamf Threat Labs

Excerpt

Jamf Threat Labs uncovers CloudSyncD, a fake Zoom installer disguised as a legitimate application that uses a phished login password to launch an embedded backdoor while concealing the credential inside a decoy configuration file.

September 30 2026 by

Jamf Threat Labs

By: Thijs Xhaflaire

Introduction

We first…

The opening of the report, shown for reference. The full report, with its figures and indicators, is published by jamf.com on jamf.com.

More from jamf.com1

On the same topics

Report pages show the excerpt, publisher and topics, then link out. CyberSIXT does not republish report bodies.

Updated AboutDevelopersSign in