Cisco suffers cyberattack, source code and AWS keys stolen
Cisco's internal development environment was breached using stolen credentials, leading to the theft of source code, exposure of AWS keys, and unauthorized access to internal systems and customer-related repositories.
Key points
- Breach of internal development environment.
- Stolen credentials used.
- Exposed data includes source code and AWS keys.
Connected intelligence
Signal brief
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Organization
- Published
- Apr 3, 2026
- Updated
- Jun 26, 2026
- Confidence
- Medium
- Evidence
- 2 sources
Structured assessment
Signal analysis
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Threat source
Watch internet-facing systems, credential abuse and exploit activity.
Business impact
- Impact area
- Confidentiality
- Likely asset
- User or customer data, Server or cloud data store
Mentioned entities
Quick context
Questions about this signal
What happened in this signal?
Cisco's internal development environment was breached using stolen credentials, leading to the theft of source code, exposure of AWS keys, and unauthorized access to internal systems and customer-related repositories. The incident, disclosed on April 3, 2026, is linked to the Trivy supply chain attack and involved a malicious GitHub Action plugin used to extract credentials and data from build systems.
When was this signal reported?
Shadow Tier lists Apr 3, 2026 as the signal date.
Which organization is connected to this signal?
Cisco is the organization connected to this public signal.
Explore CiscoWhich impact area is relevant?
This signal is connected to data exposure and breach intelligence based on its reported consequences.
Explore data exposure and breach intelligenceRelated signals
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