Bit9 has raised $34.5 million in a round of funding led by Sequoia Capital. Bit9 provides security solutions to companies that need to detect cyber threats. Previous investors Atlas Venture, Highland Capital Partners, Kleiner Perkins, and .406 Ventures also participated in this round. Bit9 will be using this funding to fund new product development efforts and expand their sales/marketing. Bit9 believes that traditional security solutions are not sufficient at protecting organizations from next-generation targeted attacks. Bit9 protects over 700 organizations across the education, finance, government, healthcare, and retail sectors. Bit9 is based in Waltham, Massachusetts and secured a total of $82.5 million in funding since they launched in 2002.