[4] Amnesty International and other human rights bodies such as the Committee for the Prevention of Torture have repeatedly expressed concern about the prison for its overcrowding and inhumane treatment of detainees.

[5][6] In 2007, a special committee composed of physicians of the Division of Health Inspections of the Prefecture of Piraeus and Piraeus Medical Association has reported that the hospital and the mental clinic of the prison operate without even the minimum conditions of hygiene, with aging infrastructure and big shortages in medical and nursing staff.

After the 28 day standoff, Justice officials bent to a majority of the demands the prisoners made and concessions were given in favor of the inmates.

[15] Inmate Vasilis Paleokostas, known popularly as the 'Greek Robin Hood' drew attention to the prison when he escaped with a rented helicopter, twice in June 2006 and February 2009.

[16] In January 2014 Christodoulos Xiros of 17 November Organization whilst serving multiple life sentences escaped after being granted temporary leave to see his family in the north of the country only to not return.

[17] Nikolaos Maziotis, the reported leader of the urban guerrilla organization, Revolutionary Struggle disappeared in April 2014 during his trial at Korydallos prison.

[19] Human rights activist Sarah Mardini was incarcerated at Korydallos during 106 days in pre-trail detention, after being arrested for various crimes in 2018.