spear-phishing

noun

the practice of sending fraudulent e-mails to extract financial data from computer users for purposes of identity theft, by mimicking a sender that the recipient knows

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012