The victim is now in stable condition after receiving surgery and police are still reportedly searching for a suspect.
"Zeraati says the source 'was a known cyber warfare unit of Iran’s IRGC' according to cyber security experts."
He leaves behind an 18-month-old daughter and a wife, pregnant with the couple's second child.
The terrorist was a 19-year-old illegal alien from Hebron who worked in Israel without a permit, according to Israeli media.
The terrorist act occurred on March 2, when a 15-year-old Swiss national with a Tunisian immigrant background assaulted a 50-year-old Jewish man with a knife, seriously injuring him.
The knife-wielding terrorist was thwarted, the police added. Magen David Adom (MDA) said at least one person was critically wounded.
MDA medics and paramedics treated the victim and evacuated him to the Hadassah Mount Scopus Medical Center. The man was in moderate condition.
Three young children have been taken to hospital following the attack.
Lubin was murdered in a stabbing attack carried out by a resident of east Jerusalem near Herod's Gate of the Old City in Jerusalem.
A swastika was painted on the door by her attacker.