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Dropbox says about 5,000 accounts compromised in August hack

Hackers viewed and downloaded files in fewer than a third of the affected accounts, and Dropbox said it removed Lenovo ID links and tightened sign-in rules.

  • On Tuesday, Dropbox confirmed that around 5,000 accounts were compromised last month through a security flaw in its single sign-on integration with Lenovo IDs, with hackers viewing and downloading stored content.
  • An issue with Lenovo's email verification process allowed unauthorized parties to register Lenovo IDs using victims' email addresses, which Lenovo identified as a 'legacy integration' that 'could be used to improperly authenticate certain Dropbox accounts.'
  • Company spokesperson Tim Rathschmidt noted that compromised accounts lacked multi-factor authentication, and hackers accessed files in fewer than a third of the affected accounts.
  • Dropbox removed links between Lenovo IDs and accounts, expired all sessions previously 'authenticated' through the integration, and reported the incident to data protection regulators.
  • Shares of Dropbox fell around 2.4 per cent in extended trading on Tuesday, though Lenovo stated its own customers were not affected by the incident.
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About 5,000 accounts were compromised due to a security flaw in another company's system, Dropbox Inc. said. The post Hackers hacked into thousands of Dropbox accounts, downloaded user files appeared first on in.gr.

·Greece
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ReutersReuters
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Dropbox says about 5,000 accounts compromised in August hack

·London, United Kingdom
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This is another wild story. Dropbox currently informs several users via email about unauthorized access to their accounts. The period between...To post: Dropbox: Security incident caused by a vulnerability in Lenovo's SSO login Where you can follow us: Facebook, Reddit, Google News, X, Threads Stay up to date? Adds us to Google as a preferred source!

·Geestland, Germany
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9to5Mac broke the news in Cupertino, United States on Tuesday, September 1, 2026.
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