Threat Actor Profile
Description
POLONIUM is a Lebanon-based group that has primarily targeted Israeli organizations, including critical manufacturing, information technology, and defense industry companies, since at least February 2022. Security researchers assess POLONIUM has coordinated their operations with multiple actors affiliated with Iran’s Ministry of Intelligence and Security (MOIS), based on victim overlap as well as common techniques and tooling.(Citation: Microsoft POLONIUM June 2022)
Confidence Score
Known Aliases
Tags
First Seen
Unknown
Last Updated
Unknown
Active Status
ActiveCreated
April 29, 2026
MITRE ATT&CK Techniques (7)
Indicators of Compromise
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IOC KQL for Sentinel
STIX Data
{'aliases': ['POLONIUM', 'Plaid Rain'],
'created': '2022-07-01T19:07:04.253Z',
'created_by_ref': 'identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5',
'description': '[POLONIUM](https://attack.mitre.org/groups/G1005) is a '
'Lebanon-based group that has primarily targeted Israeli '
'organizations, including critical manufacturing, information '
'technology, and defense industry companies, since at least '
'February 2022. Security researchers assess '
'[POLONIUM](https://attack.mitre.org/groups/G1005) has '
'coordinated their operations with multiple actors affiliated '
'with Iran’s Ministry of Intelligence and Security (MOIS), '
'based on victim overlap as well as common techniques and '
'tooling.(Citation: Microsoft POLONIUM June 2022)',
'external_references': [{'external_id': 'G1005',
'source_name': 'mitre-attack',
'url': 'https://attack.mitre.org/groups/G1005'},
{'description': '(Citation: Microsoft Threat Actor '
'Naming July 2023)',
'source_name': 'Plaid Rain'},
{'description': 'Microsoft . (2023, July 12). How '
'Microsoft names threat actors. '
'Retrieved November 17, 2023.',
'source_name': 'Microsoft Threat Actor Naming July '
'2023',
'url': 'https://learn.microsoft.com/en-us/microsoft-365/security/intelligence/microsoft-threat-actor-naming?view=o365-worldwide'},
{'description': 'Microsoft. (2022, June 2). Exposing '
'POLONIUM activity and infrastructure '
'targeting Israeli organizations. '
'Retrieved July 1, 2022.',
'source_name': 'Microsoft POLONIUM June 2022',
'url': 'https://www.microsoft.com/security/blog/2022/06/02/exposing-polonium-activity-and-infrastructure-targeting-israeli-organizations/'}],
'id': 'intrusion-set--5f3d0238-d058-44a9-8812-3dd1b6741a8c',
'modified': '2024-01-08T21:56:22.594Z',
'name': 'POLONIUM',
'object_marking_refs': ['marking-definition--fa42a846-8d90-4e51-bc29-71d5b4802168'],
'revoked': False,
'spec_version': '2.1',
'type': 'intrusion-set',
'x_mitre_attack_spec_version': '3.2.0',
'x_mitre_deprecated': False,
'x_mitre_domains': ['enterprise-attack'],
'x_mitre_modified_by_ref': 'identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5',
'x_mitre_version': '2.0'}