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Company-disclosed incident

Cybersecurity incident disclosed by DROPBOX, INC. in a Form 8-K (May 2024)

Organization named: Dropbox Inc.
Type as the source lists it: Item 1.05 Material Cybersecurity Incidents

What the sources say

SEC Form 8-K Item 1.05 (material cybersecurity incidents) Primary notice

Disclosed in an 8-K filed May 1, 2024, on SEC EDGAR.

Organization as reported
DROPBOX, INC., CA
Category as reported
Item 1.05 Material Cybersecurity Incidents
Notice date as reported
April 29, 2024
Filing date
May 1, 2024
Observed by BreachRecords
2026-10-18 20:30 UTC (revision 8048, doc:dbx-20240429.htm)
Archived copy
Held in the private archive (provenance)

Material Cybersecurity Incidents On April 24, 2024, Dropbox, Inc. (“Dropbox” or “we”) became aware of unauthorized access to the Dropbox Sign (formerly HelloSign) production environment. We immediately activated our cybersecurity incident response process to investigate, contain, and remediate the incident. Upon further investigation, we discovered that the threat actor had accessed data related to all users of Dropbox Sign, such as emails and usernames, in addition to general account settings. For subsets of users, the threat actor also accessed phone numbers, hashed passwords, and certain authentication information such as API keys, OAuth tokens, and multi-factor authentication. Based on what we know as of the date of this filing, there is no evidence that the threat actor accessed the contents of users’ accounts, such as their agreements or templates, or their payment information. Additionally, we believe this incident was limited to Dropbox Sign infrastructure and there is no evidence that the threat actor accessed the production environments of other Dropbox products. We are continuing our investigation. When we became aware of the incident, we launched an investigation with industry-leading forensic investigators to understand what happened and mitigate risks to our users. We have notified and are working with law enforcement. As appropriate, we are also notifying regulatory authorities and users with respect to unauthorized access to personal information. As of the date of this filing, the incident has not had, and we do not believe it is reasonably likely to have, a material impact on our overall business operations, given our current understanding that this incident is limited to the Dropbox Sign infrastructure. We have not determined that the incident is reasonably likely to materially impact our financial condition or results of operations. We remain subject to various risks due to the incident, including potential litigation, changes in customer…

The source's own words, from the revision above.

Figures, per source

The linked sources report no figure for this record.

Timeline

Source dates are the dates the sources give. Observation dates are when BreachRecords recorded each revision.

  • Filing date (SEC EDGAR)
  • Observed by BreachRecords (revision 8048)
  • Approved by a reviewer

Organizations linked by a reviewer

  • Dropbox Inc. Named as the filer Linked 2026-10-19, method identifier.

Archived evidence

  • afbbf33bd6b5bc724785111356ff89c3eba52bc93b9c3f800cf1f8a65880093e
    text/html, 30,420 bytes, retrieved from SEC EDGAR, 2026-10-18 16:28 UTC. Archived privately · Provenance · Source page

Records reflect source filings as of the dates shown. BreachRecords is not a regulator.

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