<p>SEATTLE a?? In his latest scoop, investigative blogger Brian Krebs makes the case that the Target vendor whose network credentials were used to tap into 110 million customer accounts may have been a heating, ventilation and air conditioning (HVAC) contractor.</p><p>Krebs reports that intruders accessed Target's network on Nov. 15, 2013 using network credentials stolen from a Sharpsburg, Penn.-based provider of refrigeration and HVAC systems.</p><p>More: Target breach timeline of disclosures</p><p>CyberTruth asked Boatner Blankenstein, Sr., director of solutions engineering at enterprise software vendor Bomgar; Jeff Swearingen, CEO of SecureLink, and Dr. Lance Larson, information systems professor at San Diego State University to outline the implications.</p><p><a href="http://www.lohud.com/usatoday/article/5255331">Keep reading...</a></p>