- Start Date:
June 9, 2009
- Event Start Time:
12:00 PM
- Event End Time:
1:00 PM
- Organizers:
Gene Fiorini
- Seminar Series:
REU Seminar
- Presenter(s):
Jenn Tam - Carnegie Mellon University
- Event Location:
DIMACS Seminar room
- Abstract:
Jennifer Tam is a third year PhD student at Carnegie Mellon University. As a first year, she worked on analyzing the security of various audio CAPTCHAs (an audio version of the warped images of text used to distinguish humans from bots on the web) including those from Google and reCAPTCHA. After creating a system that could automatically pass the audio CAPTCHAs more than 45% of the time thus breaking the CAPTCHAs, she focused on creating a better audio CAPTCHA during her second year. Find out how Jennifer broke the original CAPTCHAs and how she uses human computation in her redesigned CAPTCHAs to get audio transcriptions from difficult audio. Jennifer will also address what ethical issues arose from analyzing security measures that are currently in use and how she dealt with them. Jennifer is also a student coordinator of CMU’s Computer Science Department’s open house weekend during which prospective students are invited to visit the school and meet with faculty and students. She will offer valuable advice regarding grad school applications and what to ask once you get in.
