Creative Commons One day before the University of Texas at San Antonio was scheduled to begin its fall semester Wednesday, officials postponed the start by three days after “attempted unauthorized activity against university technology systems” prompted them to shut down many of the university’s digital systems, including some related to email and phone services. The university also pushed back registration and payment deadlines. “We are making this decision to ensure the university systems, technology and services our students, faculty and staff rely upon are operating optimally as we begin the semester. Starting classes on Monday (Aug. 24) gives our teams the necessary time to restore services carefully and position our university community for a strong start,” UT San Antonio President Taylor Eighmy wrote in a statement to the campus community Tuesday. “Out of an abundance of caution, we proactively took systems and services offline to evaluate our technology environment and reinforce safeguards before bringing services back online.” Over the weekend, UT San Antonio detected a potential threat to its systems “at the edge of our network, before it reached core systems and University Technology Solutions,” officials said in an announcement. “Our response has been effective. At this time, our ongoing investigation has found no evidence that university data was accessed or exfiltrated as a result of this activity.” A university spokesperson wrote in an email to Inside Higher Ed that UT San Antonio has identified the source of the attempted unauthorized activity, but didn’t provide further details; they said only that the “university’s investigation remains ongoing in coordination with expert partners” and has no “definitive timeline for completion.” Aside from starting three days late, the semester is expected to carry on as scheduled, with the university “making the necessary academic adjustments within the existing semester calendar,” they wrote. While UT