article_snippet.sent: Hackings are particularly dangerous because Hackings can involve a high number of records, said Liu. '
article_snippet.sent: Take a look at them,' Gallagher said. '
article_snippet.sent: Authorities believe hackers in China may be behind both attacks, Gallagher said.
article_snippet.sent: Gallagher said cybersecurity is among key topics at Gallagher nonprofit group's annual meeting this week in Chicago.