Hewlett Packard Enterprise (HPE) Data Breach
Hewlett Packard Enterprise (HPE) began notifying employees on February 7, 2025, about a data breach that occurred in May 2023.
Key points
- Employee notifications began on February 7, 2025.
- Breach occurred in May 2023.
- Attributed to Russian state-sponsored hacking group Midnight Blizzard (Cozy Bear/APT29).
Connected intelligence
Signal brief
Follow the organization, likely method and potential impact to explore connected Shadow Tier intelligence.
Organization
- Published
- Feb 7, 2025
- Updated
- Jul 1, 2026
- Confidence
- Medium
- Evidence
- 2 sources
Structured assessment
Signal analysis
It helps compare this signal with other published signals without treating the labels as final determinations.
Threat source
Watch internet-facing systems, credential abuse and exploit activity.
Business impact
- Impact area
- Confidentiality
- Likely asset
- User or customer data
Mentioned entities
Quick context
Questions about this signal
What happened in this signal?
Hewlett Packard Enterprise (HPE) began notifying employees on February 7, 2025, about a data breach that occurred in May 2023. The breach, attributed to the Russian state-sponsored hacking group Midnight Blizzard (also known as Cozy Bear or APT29), involved unauthorized access to a small percentage of HPE's Office 365 email environment. Compromised data included employees' Social Security numbers, driver's license details, and credit card numbers, as well as some files from SharePoint.
When was this signal reported?
Shadow Tier lists Feb 7, 2025 as the signal date.
Which organization is connected to this signal?
Hpe is the organization connected to this public signal.
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