After news broke earlier this month concerning the Heartbleed Internet security bug, White House senior administration officials are urging enrollees on HealthCare.gov to change their passwords, reports the Associated Press. While it is not certain the site has been tampered with, officials are taking precautionary measures to ensure security on the previously-flawed site. Critics are worried about security vulnerabilities on sites that require large amounts of personal data input. "We will continue to focus on this issue until government agencies have mitigated the vulnerability in their systems," Department of Homeland Security Deputy Undersecretary for Cybersecurity and Communications Phyllis Schneck wrote Friday on the DHS website. Article