Due to issues with CCD, visa caseload processing was slowed down, disrupting travel experiences of people around the world.
[5][7][9] The system was processing at normal rates as of August 2, but the problem was declared fully fixed a month later.
[9] A Congressional Research Service report about visa issuances, published November 18, 2015, discussed the CCD at some length.
[4] In April 2016, it was revealed that an internal review by the U.S. Department of State of its cyber-defenses had found that CCD was at risk of being compromised, though no breach had been detected.
[2][3] The following are the two main databases linked with CCD:[4]: 6 [6] The Department of State's Bureau of Consular Affairs additionally uses data from the Consular Lookout and Support System (CLASS) to augment the data in CCD when processing visa cases.