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A confidential source has revealed a parliamentary probe that British authorities left behind confidential equipment allowing the Taliban to track down local individuals that had served with western forces.

Data Breach Puts Numerous in Danger

The whistleblower, identified as Person A, testified that individuals impacted by the security lapse were advised to relocate and switch their phone numbers to avoid detection from militant forces.

Lawmakers are investigating official handling of a catastrophic disclosure of personal details concerning almost nineteen thousand Afghans who had applied to relocate to Britain to avoid militant rule.

Data Disclosure Happened

A spreadsheet containing confidential details, including names, addresses and sometimes household data, was accidentally leaked by a worker employed at British military command in early 2022.

The leak came to light months later, when the names of nine people who had requested to move to the UK were posted on online platforms.

Taliban Capabilities

“There seems to be a misunderstanding that militant forces lack comparable resources that western nations possess,” the whistleblower testified to lawmakers.

Technology was deserted in Afghanistan; they possess it. Once they acquire your phone number, they are able to track you down to within metres. That is what intelligence groups did.”

During testimony about regarding if authorities had access to necessary encryption, the source stated: “They possess all resources.”

Aftermath of the Information Leak

Preliminary research submitted to the committee suggested that at least 49 relatives and colleagues of people concerned by the incident had been murdered.

A superinjunction about the breach was put in force in late 2023 and restricted relevant facts concerning it from public disclosure until July 2025.

Safety Measures

Due to legal constraints, the source and the aid group associated with advised affected households they were assisting that they had “suspicions that somebody's phone had been compromised”.

“We advised that they moved if they could and changed their phone numbers. These represented the primary information that, if authorities had access to such data, would lead to their location being found,” she said.

Contested Findings

The whistleblower argued that an official review performed by a retired civil servant had been incorrect to state that the obtaining of the information by the Taliban was “not significantly alter current risk levels”.

“The crucial point is that these individuals are not confronting militant forces; they remain concealed. All concerns relate to former occupations.”

She detailed disturbing violence experienced by affected individuals, involving electrocution, simulated drowning, and violent assaults.

“We have had toddlers who have had bones crushed to try to get relatives to reveal locations,” Person A stated.