The TSYS School of Computer Science at Columbus State University is pleased to host an NSF CISE REU Site in Security and Privacy for Mobile Sensing and the Internet of Things. In our program, undergraduate students will participate in a 9-week research experience at Columbus State University (Columbus, GA) in researching problems and issues related to security, privacy, authentication, data integrity, and malware for Mobile Sensing and the Internet of Things. Due to the COVID-19 pandemic, the 2021 REU@CSU will be run virtually/online with mentors from CSU. For the year 2021, the program will run from May 26 / 2021 to July 28 / 2021. This site is supported by the NSF CISE REU program. Students will be awarded a stipend of $5,400 plus meals and housing allowance. The application process will close on March 12 /2021. Awardees will be notified from March to the beginning of April 2021. U.S. Citizenship or permanent residency is required. Women, minorities and students with disabilities are encouraged to apply. Information about the program can be found at http://www.reucsu.org .