Symantec Endpoint Protection (SEP) version (14.3.558.0000), released in May 2020, introduced critical architecture changes and security enhancements designed to improve performance and simplify hybrid management. Core Architecture & Performance
, allowing the client to scan user-provided scripts (PowerShell, JavaScript, VBScript) for malicious behavior before they execute. Enhanced Web Protection: Introduced support for custom Proxy Auto-Configuration (PAC) symantec endpoint protection 14.3 build 558
Despite its improvements, Build 558 was associated with a critical compatibility bug: You are planning a migration to Symantec’s EDR
conflicts, notably with certain versions of FortiClient VPN, which may require policy adjustments to resolve. configuration steps for the new AMSI integration or detailed migration paths from earlier versions? Client only patch Endpoint Protection 14.3 (14.3.558.0000) Additional Resources