Spetsnaz, Specnaz is an umbrella term

Umbrella term

An umbrella term is a word that provides a superset or grouping of concepts that all fall under a single common category. Umbrella term is also called a hypernym. For example, cryptology is an umbrella term that encompasses cryptography and cryptanalysis, among other fields...

 for any special forces

Special forces

Special forces, or special operations forces are terms used to describe elite military tactical teams trained to perform high-risk dangerous missions that conventional units cannot perform...

 in Russian

Russian language

Russian is a Slavic language used primarily in Russia, Belarus, Uzbekistan, Kazakhstan, Tajikistan and Kyrgyzstan. It is an unofficial but widely spoken language in Ukraine, Moldova, Latvia, Turkmenistan and Estonia and, to a lesser extent, the other countries that were once constituent republics...

, literally "force of special purpose". These Russian special forces

Special forces

Special forces, or special operations forces are terms used to describe elite military tactical teams trained to perform high-risk dangerous missions that conventional units cannot perform...

 can specifically refer to any elite or special purpose units under subordination of the Federal Security Service (FSB) or Internal Troops

Internal Troops

The Internal Troops, full name Internal Troops of the Ministry for Internal Affairs ; alternatively translated as "Interior " is a paramilitary gendarmerie-like force in the now-defunct Soviet Union and its successor countries, particularly, in Russia, Ukraine, Georgia and Azerbaijan...

 of Russian Ministry of Internal Affairs

Russian Ministry of Internal Affairs

The Ministerstvo Vnutrennikh Del is the interior ministry of Russia. Its predecessor was founded in 1802 by Alexander I in Imperial Russia...

, and the units controlled by the military intelligence service GRU

GRU

GRU or Glavnoye Razvedyvatel'noye Upravleniye is the foreign military intelligence directorate of the General Staff of the Armed Forces of the Russian Federation...

.

Currently, the term is used as well to describe any special purpose units or task forces of other ministries (even the Emergency Situations Ministry special rescue unit).