The main violent threat to the Taliban regime comes from the Islamic State in Khorasan Province (ISIS-K) armed group, but the Taliban regime will also have to deal with armed resistance from ethnic groups in Afghanistan that already feel threatened by the new regime. ISIS – K presents a serious challenge to the Taliban's regime in Afghanistan as the group operates in cells across the country. ISIS – K doesn't possess the capabilities to overthrow the Taliban government. Still, they can damage the credibility of the Taliban, which has claimed that it is the only group that can bring peace and stability to the country. The ethnic groups (the Shia Hazara and Uzbek and Tajik ethnic groups) are already under pressure in Taliban-controlled Afghanistan. These groups that in the 1990s formed the "Northern Alliance" that fought against the Taliban are organizing to defend themselves against Islamic State attacks and Taliban persecution and in the future could become a significantly armed opposition to the Taliban regime.