They are emails that appear to be from QMUL members of staff. The initial reaction is that sender has been “hacked” but they have sadly been the victim of a spoofing attack.
Their name has been used to lure you into a false sense of security, attempting to gain personal details or your IT credentials. They, nor their IT department have any control of this as the email originates from an external source.
Unfortunately, this is fairly easy to accomplish with current email standards and is near impossible to prevent.
If you think you have responded to an undesirable email, here are some steps to protect your account and machine: