&gt;&gt; Wessland says such attacks are impossible to pick up with basic spam-filtering technologies, noting that hackers will simply keep creating new fake domains from which to send their targeted messages.<p>Haha, yes that&#x27;s true: we still do not have the universal fraud detector and stupidity prevention algorithm. Seriously, this is not a system security problem. If you have high-level employees in the finance dept. of your company that will initiate a wire transfer on the basis of an unsigned, unencrypted email from an un-trusted domain, that is a policy&#x2F;standards&#x2F;personnel issue.