Breachesby GlyphHewlett Packard Enterprise
Disclosed Jan 24, 2024Confirmed
Midnight Blizzard exfiltrated data from HPE cloud email mailboxes
HPE was notified on December 12, 2023 that the Russian state group Midnight Blizzard had accessed its cloud-based email environment and exfiltrated data from a small percentage of mailboxes starting in May 2023. The company linked it to earlier theft of SharePoint files by the same actor.
What is known
| People affected | Not stated in the sources we have |
|---|---|
| Disclosed | Jan 24, 2024 |
| Discovered | Dec 12, 2023 |
| Attack | Hacking |
| Data exposed | EmailsMessagesInternal documents |
| Sector | Tech · US |
| Status | Confirmed |
Sources
Notices filed
History of this record
unknown to hackingby seedSource
[] to ["emails","messages","internal-docs"]by seedSource
empty to 2023-12-12by seedSource
empty to HPE was notified on December 12, 2023 that the Russian state group Midnight Blizzard had accessed its cloud-based email environment and exfiltrated data from a small percentage of mailboxes starting in May 2023. The company linked it to earby seedSource
Material cybersecurity incident reported to the SEC (8-K Item 1.05) to Midnight Blizzard exfiltrated data from HPE cloud email mailboxesby seedSource
First recordedby backfillSource
First seen 2026-09-25 (SEC 8-K), confirmed by SEC 8-K. Record counts are as reported. Not legal advice.