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Britain's NCSC detects 'limited number' of UK victims in Microsoft hack campaign

Published by Global Banking & Finance Review

Posted on July 21, 2025

1 min read

· Last updated: January 22, 2026

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Britain's NCSC detects 'limited number' of UK victims in Microsoft hack campaign
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LONDON (Reuters) -Britain's National Cyber Security Centre (NCSC) said on Monday it had detected a "limited number" of UK-based victims in an ongoing hacking campaign that has affected servers using

NCSC Identifies Limited UK Victims in Ongoing Microsoft Hack Campaign

LONDON (Reuters) -Britain's National Cyber Security Centre (NCSC) said on Monday it had detected a "limited number" of UK-based victims in an ongoing hacking campaign that has affected servers using Microsoft's SharePoint system.

Microsoft on Saturday issued an alert about "active attacks" on SharePoint servers used within organisations. It said that SharePoint Online in Microsoft 365, which is in the cloud, was not hit by the exploit, also known as a "zero day".

(Reporting by James Pearson; Editing by Toby Chopra)

Key Takeaways

  • NCSC detected UK victims in a Microsoft hack.
  • The attack targets Microsoft SharePoint servers.
  • SharePoint Online in Microsoft 365 is unaffected.
  • Microsoft issued an alert about active attacks.
  • The exploit is known as a 'zero day'.

Frequently Asked Questions

What did the NCSC report about UK victims?
The NCSC detected a 'limited number' of UK-based victims in an ongoing hacking campaign.
What type of servers are being targeted in the hack?
The hacking campaign is affecting SharePoint servers used within organizations.
Was SharePoint Online in Microsoft 365 affected?
No, Microsoft stated that SharePoint Online in Microsoft 365, which is in the cloud, was not impacted by the attacks.

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