Phone and computer tablet users are three times more susceptible to email phishing scams than traditional PC and laptop users. Blackberry and iPhone users who visited phishing sites were much less likely detect them than their laptop and desktop using brethren. Part of the problem in identifying mobile devices may stem from their relatively small screen size. Trusteer recommends that mobile users avoid clicking on fraudulent links in emails since it is difficult to determine for certain who the message is from, where the link goes, and what the consequence of clicking on it may be.
Source: https://threatpost.com/mobile-device-users-more-susceptible-phishing-scams-010511/74823/