Which banned outfit is responsible for frequent cross-border attacks according to Pakistan’s security officials in Doha conference with Afghan Taliban?

Question

Accepted Answer

Tehreek-e-Taliban Pakistan (TTP). TTP is the group mentioned by Pakistan's security officials regarding frequent cross-border attacks. Al-Qaeda is a different militant group not specified as the focus in this context. ISIS is another separate militant organization and was not named for this specific issue. None of These is incorrect because TTP was specifically identified.