static boolean hasSecurityLogFile(final LogConfig logConfig) {
    return logConfig.getSecurityLogFile() != null
        && !logConfig.getSecurityLogFile().equals(new File(""));
  }
Returns true if the {@code LogConfig} has a non-null and non-default
{@link ConfigurationProperties#SECURITY_LOG_FILE}.
geode-core/src/main/java/org/apache/geode/logging/internal/spi/LogConfig.java