ISMIs Identified with KI data for Network Providers

Title

ISMIs Identified with KI data for Network Providers

Subject

ISMI - International Mobile Subscriber Identity

Description

This document is an extract from an internal GCHQ presentation. It shows a chart describing the number of ISMI (International Mobile Subscriber Identity) numbers retrieved using encryption keys sourced from a CNE (Computer Network Exploitation) attack against the SIM card manufacturer Gemalto.

Creator

Government Communications Headquarters (GCHQ)

Publisher

The Intercept

Relation

Snowden

Language

en

Date:Created

2011

Source:Classification

TOP SECRET

Source:Redactions

None

Report:Creator

Josh Begley

NumPages

1

CreatorOffice

GCHQ

Date:Leaked

2015-02-19

Distribution

STRAP 1

Surveillance Programs

Gemalto SIM Attack

Collection

Citation

Government Communications Headquarters (GCHQ), “ISMIs Identified with KI data for Network Providers,” Snowden Archive, accessed June 30, 2022, https://grid.glendon.yorku.ca/items/show/454.

Item Relations

This item has no relations.