The Durban University of Technology (DUT) has dismissed claims that there are poor security controls on its campuses.
Students at the university embarked on a march on Monday over safety concerns after one of their own was stabbed.
Classes have been suspended until Thursday.
Sandile Ndlovu, a student at the institution, is receiving treatment in hospital after being stabbed.
The university says millions have been invested to ensure the safety of students and staff.