The country’s Agency for National Security announced last week that government servers had been targeted in an ongoing attack that was described as massive and coordinated.

The attack targeted government systems and other critical infrastructure, and managed to cause some disruptions. The US embassy warned citizens residing in the country that the attack could disrupt transportation, public utilities and telecommunications.

However, officials in Montenegro said no data was stolen during the attack and claimed that no permanent damage was done. Authorities said the attack was politically motivated and launched by multiple Russian agencies.