“I don’t think there’s anything wrong with security,” she said.

But some students argued that security should be heightened further.

“I feel like the administration should beef up security,” Matt O. Ricotta ’15 said. “It seems like a very strange and potentially dangerous situation to have someone who isn’t a freshman staying in a freshman dorm.”

Dingman said that Liu does not pose a threat to anyone in the College and therefore the administration will not address the issue further.

“My understanding is that he was the guest of some freshman. He didn’t live in the dorm; he stayed there overnight,” Dingman said, “We don’t do door knocks and intervene at night. But I think what we do need to do is instruct students to know who their guests are.”

Like Dingman, College spokesperson Jeff Neal suggested that some of the burden for ensuring safe freshman dormitories rests with the undergraduates who live in them.

“Ultimately, students have a duty not only to follow the rules, but also to make decisions in accordance with their own safety and the safety of those throughout the Harvard community,” he wrote in an emailed statement. “While the College works with officials throughout the University to enforce security rules and to safeguard the Harvard community, we must also rely on the good judgment of the students, faculty and staff who have access to residential and other facilities.”

—Staff writer Amy Q. Friedman can be reached at afriedman@college.harvard.edu.

—Staff writer Tara W. Merrigan can be reached at tmerrigan@college.harvard.edu.