Maximum security prison

'''Maximum security prisons''' and supermax prisons are grades of high security level used by prison systems in various countries, which pose a higher level of security to prevent prisoners from escaping and/or doing harm to other inmates or security guards.

*For the United States, see Incarceration in the United States § Security levels *For Canada, see Correctional Service of Canada § Security classification of offenders *For other prison systems, see Prison § Security levels

==See also== *Maximum Security (disambiguation)

Category:Prisons {{SIA}}