The computer-security company Symantec is buying Blue Coat Systems for about $4.65 billion in cash.
The deal follows a recent frenzy of acquisitions in the software industry. Large tech companies like IBM, Oracle, Ingram Micro, and Salesforce have purchased cloud computing startups this year.
Salesforce CEO Marc Benioff said that this year has been the "most intense M&A season" he's ever seen in an interview with CNBC's Jim Cramer on Wednesday.
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