A majority of enterprises that employ cloud-based email spam filtering services are potentially at risk, thanks to a rampant tendency to misconfigure them.

Computer scientists have uncovered a shockingly prevalent misconfiguration in popular enterprise cloud-based email spam filtering services, along with an exploit for taking advantage of it. The findings reveal that organizations are far more open to email-borne cyber threats than they know, and will be presented at a conference in May. My post for Dark Reading explains the situation.