Native ARM64 performance (macOS, Linux) is nearly identical to x64. Emulated Windows performance is poor for I/O-heavy tasks. Do not deploy SEP on Windows ARM64 for development work, databases, or file servers.
Symantec Endpoint Protection (SEP) supports devices starting with version 14.3 RU7 . While it provides core protection, there are specific management requirements and feature limitations for this architecture. Management Requirements symantec endpoint protection arm64 work
In controlled testing on a Snapdragon 8cx Gen 3 device: Native ARM64 performance (macOS, Linux) is nearly identical
As of mid-2026, Broadcom (the owner of Symantec) has a specific, limited support model for ARM64, which differs significantly from x86/x64. Native ARM64 performance (macOS
: On ARM-based macOS (versions 11.4 and 12), enabling or disabling Vulnerability Protections may occasionally cause a temporary loss of VNC/screen-sharing connectivity. Broadcom TechDocs Definition Updates