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A confidential source has disclosed a parliamentary probe that the UK left behind confidential technology enabling Afghanistan's rulers to identify local individuals who collaborated with international military.

Data Breach Endangers Thousands in Danger

The source, called Person A, explained that people concerned by the data leak were instructed to relocate and change their mobile numbers to avoid detection from the Taliban.

Members of Parliament are looking into the UK government's response of a catastrophic disclosure of confidential data involving approximately 19k Afghans who had applied to move to Britain to flee militant rule.

Data Disclosure Happened

A spreadsheet including confidential details, comprising names, phone numbers and in some cases relative details, was accidentally leaked by an official working at UK special forces headquarters in last year.

The leak was discovered in late 2023, when identities of several individuals who had sought to relocate to the UK surfaced on social media.

Taliban Capabilities

Many believe there's a misunderstanding that Afghan rulers lack comparable resources that allied forces use,” she told MPs.

All equipment was abandoned in Afghanistan; they possess it. Should they obtain your phone number, they are able to track you down to within metres. That's precisely what the unit accomplished.”

When questioned about if militant forces possessed advanced decryption, the source confirmed: “They possess all resources.”

Aftermath of the Data Breach

Preliminary research provided to the investigation estimated that no fewer than forty-nine family members and colleagues of individuals impacted by the leak had been killed.

A gag order regarding the breach was enacted in August 2023 and prevented relevant facts concerning it from being made public until July 2025.

Protective Actions

Given injunction limitations, the source and the aid group she collaborated with told individuals at risk they were supporting that they had “suspicions that certain devices had been compromised”.

“We advised that they relocate when possible and altered their contact details. These represented the crucial data that, should militant forces had access to these details, would lead to them being traced,” she said.

Disputed Conclusions

Person A argued that internal investigation performed by an ex-government employee had been mistaken to determine that the obtaining of the dataset by the regime was “not significantly alter present danger”.

“The thing to remember is that these individuals are not confronting militant forces; they live secretly. The primary issue involves former occupations.”

Person A described horrific treatment suffered by concerned people, involving electric shock torture, simulated drowning, and severe beatings.

“We have had toddlers who have had limbs fractured to pressure relatives to disclose hiding places,” the whistleblower revealed.