But that tactic typically only works with company-issued devices, says Robert Siciliano, an online security expert at security vendor McAfee. If individuals are using their personal devices to read e-mail in their corporate account, for instance, corporate Internet filtering generally won't stop them from accessing an unauthorized or fake website via a link, he points out.
http://www.bankinfosecurity.com/open-enrollment-phishing-season-a-6135