// Pre-mask sensitive data to avoid repeated processing
        String maskedUsername = maskSensitiveData ? maskUsername(username) : username;
        String maskedAddress = maskSensitiveData ? maskIpAddress(remoteAddress) : remoteAddress;

        Map<String, Object> context = getContextMap();
        context.put("username", maskedUsername);
        context.put("remoteAddress", maskedAddress);