Anydesk Downloads for various operating systems.
1) Only accept incoming connections that you know come from IT - e.g. as arranged with a technician telephonically before accepting the connection
2) If you do not have an IT issue, do not accept any random incoming connection - also check the format of the technician connecting, it should include a valid name and department
3) Ask the technician for a reference number and check that the number provided correlates with an active support issue on Support Manager (https://support.nwu.ac.za)