Ruby Sleet

MISP

Type:
Unknown

Country:
KP

First seen:
Unknown

Details:

Ruby Sleet is a threat actor linked to North Korea's Ministry of State Security. Cerium has been involved in spear-phishing campaigns, compromising devices, and conducting cyberattacks alongside other North Korean threat actors. They have also targeted companies involved in COVID-19 research and vaccine development.

References (1)

blogs.microsoft.com - Health Care Cyberattacks Covid 19 Paris Peace Forum

Aliases (107)

CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM CERIUM

Metadata

ID:	593
Created:	13/01/2026 17:48
Updated:	08/03/2026 04:00