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UK govt links 2021 Electoral Commission breach to Exchange server

ID: d08bcf5a-f3eb-59cb-af72-6dda10ee5f86

STIX ID: report--d08bcf5a-f3eb-59cb-af72-6dda10ee5f86

Feed Name: Bleeping Computer

Threat Score
85/100

Date Published: 2024-07-30

Date Updated: 2026-07-17

Author: Sergiu Gatlan

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The UK Information Commissioner's Office reported that the Electoral Commission was compromised in 2021 after failing to patch on-premises Microsoft Exchange ProxyShell vulnerabilities; attackers (attributed to a Chinese state-backed actor) deployed web shells and backdoors, accessed personal data for about 40 million people, and the ICO reprimanded the Commission for inadequate patching and password management.

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