GreatHorn analyzed more than 56 million emails from 91,500 corporate mailboxes from March to November 2016 . The data found that display name spoofs are the clear phishing weapon of choice for cybercriminals . Attackers are increasingly relying on highly targeted , non-payload attacks that exploit trust and leverage pressure tactics to trick Attack.Phishing users into taking action that will put their organizations at risk . Of the more than 537,000 phishing threats Attack.Phishing GreatHorn detected in its research , 91 percent ( 490,557 ) contained characteristics of display name spoofs . Display name spoofs impersonate Attack.Phishing a person familiar to a business user in order to fool Attack.Phishing the recipient into thinking that the message came from Attack.Phishing a trusted source . It ’ s an extremely effective tactic against a workforce deluged with incoming communications all day , every day . Direct spoofs were the second most popular attack type ( 8 percent ) , and domain lookalikes made up less than 1 percent of phishing attacks Attack.Phishing . “ Stopping spear phishing attacks Attack.Phishing isn ’ t as simple as pushing a button ; the sheer volume of these attacks , coupled with the size of the attacks surface and security resource constraints , makes it impossible to mitigate risk solely via human intervention , no matter how much you try to train your end users , ” said GreatHorn CEO Kevin O ’ Brien