IT security solutions provider FireEye has entered a definitive agreement to acquire nPulse Technologies, an enterprise forensics company that specializes in providing packet capture and big data security analytics. FireEye is prepared to pay around $60 million (43 million) in cash and issue around $10 million (7.3 million) in stock consideration. Through this latest acquisition, which is expected to close in the second quarter of 2014, FireEye wants to provide its customers…