NETWORK SECURITY GROUP: Newton tech company buys Mass. network security firm

Less than two months after Luke Walling launched Temprano Techvestors in Newton, the company has bought it first network security firm in Massachusetts. Temprano bought Network Security Group Inc. of Charlestown, Mass., which works with resellers, small to midsize businesses, schools and government agencies to boost network security. The price of the deal wasn't disclosed. The transaction brings six employees to Temprano, Walling says. "It doesn't take a huge team to do millions of dollars...