Tenable Network Security looking for new CEO

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Tenable Network Security Inc., a fast-growing Columbia cybersecurity company, is searching for a new CEO that will help it expand globally, the company said Thursday. Ron Gula, the company’s founder and CEO, has stepped down to become chairman. He’s giving up the day-to-day operations of the company to focus on Tenable’s long-term strategy and the hunt for a new CEO, officials said in a statement. “It’s a natural progression for high-growth software companies tackling massive markets to proactively…