The KEYW Holding Corporation, which provides cybersecurity solutions to defense, intelligence and national security agencies, filed on Thursday with the SEC to raise up to $100 million in an initial public offering. The Hanover, MD-based company, which was founded in 2008 and booked $52 million in sales for the 12 months ended March 31, plans to list on the NASDAQ under the symbol KEYW. BofA Merrill Lynch, Morgan Stanley and Stifel Nicolaus are the lead underwriters on the deal. Pricing terms and timing were not disclosed.