Cyberattack on a Graubünden Server: SharePoint Breach

Cyberattack on a Graubünden Server: SharePoint Breach
The SharePoint servers of the Canton of Graubünden’s cantonal administration were hit by a cyberattack, likely through the exploitation of Microsoft SharePoint software vulnerabilities. Initial analysis found no evidence of data loss or compromised accounts, but the authority is throttling the website to apply a security update after a similar incident affected the federal government. #SharePoint #Microsoft #CantonofGraubünden

Information

  • Victim: Graubünden Cantonal Administration
  • Website: gr.ch
  • Country: Switzerland
  • Date Reported: 2026-08-05

Keypoints

  • The SharePoint servers of the Graubünden cantonal administration were targeted in a cyberattack.
  • Early analysis has not shown any data loss or compromised accounts.
  • The attack is believed to have exploited Microsoft SharePoint software vulnerabilities.
  • The cantonal authority is slowing down the website while applying a security update.
  • The incident is similar to a previous attack on federal government servers earlier in the week.
  • In that earlier case, around 200 accounts were reportedly compromised.

Read More: https://www.bluewin.ch/it/attualita/svizzera/ciberattacco-a-un-server-del-canton-grigioni-li.3553333