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Proofpoint to buy data security firm Varonis for $6.3 billion

Cybersecurity company Proofpoint has agreed to acquire data security firm Varonis Systems for about $6.3 billion in cash, SiliconANGLE reported on Oct. 15. Proofpoint will buy Varonis shares for $49.75 each, a 52 percent premium to the stock price before takeover speculation surfaced. Bloomberg had reported private equity interest in Varonis in June and said Proofpoint emerged as a negotiating party in early September.