Yes, you need to hire an attorney. POs view that they have all of the authority in the world and they do unless a judge tells them they went too far and the condition was not appropriate. that can be best accomplished through an attorney
The information provided in this answer does not create an attorney-client relationship and is not considered to be legal advice.
If it is made a condition of your probation then the probation officer can do that. It is not unusual for a condition of probation related to a computer crime to prohibit the use of computers or internet while on probation. This would be less intrusive than that. You are being told about the condition and can tell the other people who use your computer about it so that they know what is going on and are not surprised.
You could try to convince the probation officer that this is unnecessary or, failing that, seek review by the judge to determine whether the condition is warranted. However, most judges give wide discretion to the probation department to determine appropriate probation conditions.
You can reach Harkess & Salter LLC by phone or email. Stephen Harkess is an attorney licensed in the state and federal courts of Colorado. This answer is for general information only and does not create an attorney client relationship between Stephen Harkess or Harkess & Salter LLC and any person. You should schedule a consultation with an attorney to discuss the specifics of your legal issues.