Raytheon said Monday it has entered an agreement with private-equity firm Vista Equity Partners to create a new cybersecurity company able to sell to both government and commercial organizations. Under the deal, Raytheon will acquire cybersecurity business Websense, a portfolio company of Vista. The contractor will contribute $1.9 billion to the joint venture, including a $600 million intercompany loan, as well as the assets and intellectual property of its existing Raytheon Cyber Products business, valued at $400 million. Raytheon will...