Silent Librarian
Essential information
- Confidence
- 100/100
- Published
- 16/12/2025 19:39
- Modified
- 27/03/2026 01:14
- Updated at
- 27/03/2026 01:14
- Revoked
- No
- Author / Source
- The MITRE Corporation
- Resource level
- —
- Primary motivation
- —
- Related entities
- 13 attack patterns (mitre)
Aliases
TA407 COBALT DICKENS
Description
[Silent Librarian](https://attack.mitre.org/groups/G0122) is a group that has targeted research and proprietary data at universities, government agencies, and private sector companies worldwide since at least 2013. Members of [Silent Librarian](https://attack.mitre.org/groups/G0122) are known to have been affiliated with the Iran-based Mabna Institute which has conducted cyber intrusions at the behest of the government of Iran, specifically the Islamic Revolutionary Guard Corps (IRGC).(Citation: DOJ Iran Indictments March 2018)(Citation: Phish Labs Silent Librarian)(Citation: Malwarebytes Silent Librarian October 2020)
Marking (TLP)
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