The 14th IEEE Symposium on Visualization for Cyber Security (VizSec) brings together researchers and practitioners from academia, government, and industry to address the needs of the cyber security community through new and insightful visualization and analysis techniques. VizSec provides an excellent venue for fostering greater exchange and new collaborations on a broad range of security- and privacy-related topics. VizSec will be held in Phoenix, AZ, USA in conjunction with IEEE VIS, on Monday, October 2nd, 2017. *** The deadline for submitting papers and short papers has been extended to the 21st of July 2017 *** To submit your paper or short paper, login or create an account at: https://precisionconference.com/~vizsec17 After logging in, click the "new submissions" link on the top navigation bar and look for the link for "Submit to Papers and Posters" in the list under the "VizSec 2017" heading.