Cisco cloud data stolen and published online
Allegations of a Cisco data breach surfaced in October 2024, and in December IntelBroker published online 2.9GB of Cisco-related data stolen from a cloud instance. The attackers claimed the total amount stolen was 4.5TB. Cisco said the additional leak in December and material published by a ransomware gang in February 2025 were linked to the earlier hack.
Key facts
- Affected organization
- Cisco
- Incident type
- Data breach
- Occurred / detected
- Not confirmed
- Scale of damage
- 2.9GB of data published online; attackers claim 4.5TB stolen in total
- Cause / method
- Data theft from a cloud instance
- Location
- United States
If your data was exposed
- Don’t tap links in texts, calls or emails that mention this incident and offer compensation, refunds or breach checks. Check directly on the organization’s official website or app.
Timeline
- An investigation into an alleged Cisco data breach was reported.
- Another threat actor claimed a Cisco data breach.
- IntelBroker published 2.9GB of Cisco-related data online, along with a claim that 4.5TB had been stolen in total.
- Cisco said the second data leak was linked to the October incident.
- Cisco said a ransomware gang's data release was linked to a past hack.
9 related reports
- Data Breach Investigation on Cisco
- IntelBroker’s Alleged Cisco Breach: A Deep Dive into the Claims and Responses
- Second threat actor claims Cisco data breach
- Cisco Data Breach: Source Code Allegedly Leaked!
- IntelBroker released data related to Cisco stolen from Cloud Instance
- Cisco Data Breach – Intel Broker Group Stolen 4.5 TB of Data
- Cisco Data Breach – IntelBroker Group Leaked 2.9GB of Data Online
- Cisco states that the second data leak is linked to the one from October
- Cisco Says Ransomware Group’s Leak Related to Old Hack
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The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organization’s official statements for accurate details.