Khyber was the code-name for a 2014–2017 military offensive conducted by Pakistan's military in the Khyber Agency in four phases; Khyber-1, Khyber-2, Khyber-3 and Khyber-4.

Khyber Agency was among Pakistan's seven semi-autonomous tribal districts near the Afghan border, rife with insurgents and militants. Terrorist organisations including Al Qaeda and ISIS have had presence there. The plains of Bara held strategic significance for militant groups as they connect the agency to the outskirts of Peshawar. The key area also straddled the NATO supply line into Afghanistan. The region has been long fought over by a mix of militant organisations, including the Tehrik-i-Taliban Pakistan (TTP), the Ansar ul Islam and Mangal Bagh's Lashkar-e-Islam.

Operation Khyber was originally announced in 2014 as a part of Pakistan Army's extension of Operation Zarb-e-Azb to parts of Khyber Agency. It was conducted in four phases, with Khyber-4 targeting ISIS among other terrorist organizations.

Amid failed attempts to negotiate with militants, Pakistan army declared the time to negotiate for terrorists operating in the restive Tehsil was over and that militants had no option but to either lay down arms or face a military crackdown. The operation 'Khyber-1' began with airstrikes against Lashkar-e-Islam outs in areas under the Mangal Bagh led group's control in Tirah and Bara on 17 October 2014, Ultimately killing 21 militants and destroying their three key bases. Sources said the main aim of the operation was to clear Khyber from Bara to the border of Tirah valley, following which the second phase of the operation will begin.

Announced in February 2015 and launched in March 2015, Operation Khyber-2 was aimed to clear the Tirah valley main target being Tehrik-i-Taliban Pakistan. The Tirah Valley consists of deep valleys and high mountains, a suitable time of year was chosen, although resulting in many casualties of Pakistan Armed Forces, the operation was successful. The operation formally ended on 15 June 2015, marking a one-year anniversary of Operation Zarb-e-Azab.

Launched on 16 August 2016, Khyber-3 intended to clear areas beyond the Tirah Valley closer to the Durand Line nine militant dens were decimated along the border, Large dumps of arms and ammunitions were discovered, More than 40 terrorists were killed and 21 injured, the operation ended up greatly affecting the cross border movement of terrorists. The operation Khyber-3 was conceived ended with the start of Khyber-4.

Operation Khyber-4 was announced on 15 July 2017 as part of Pakistan Army's ongoing offensive Operation Radd-ul-Fasaad against militancy.

Launched on 15 July 2017, phase I aimed to clear Rajgal valley, targeting Jamat-ul-Ahrar among other terrorist organizations, more than 13 terrorists were killed and 6 injured. A Pakistani soldier was also killed in exchange of fire. A total area of 90 kilometres was cleared with the help of Artillery under the leadership of Lt Col Usman Waheed Commanding officer 60 Medium Regiment Arty. The Inter-Services Public Relations (ISPR) announced the end of first phase of Operation Khyber-4 on 21 July 2017, declaring the operation to be successful.