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Onyx Sleet (7)

Events whose actors field, as written by the source, names this.

Date (as written)IncidentCountryActors
2023Data exfiltrated from "South Korean Defense Company 1"South KoreaRIM JONG HYOK and Conspirators; RGB cyber unit known as Andariel, Onyx Sleet, and Silent Chollima
2023Data exfiltrated from "South Korean Defense Company 2"South KoreaRIM JONG HYOK and Conspirators; RGB cyber unit known as Andariel, Onyx Sleet, and Silent Chollima
publication date not shown on page (covers activity since June 2023)Ruby Sleet and Onyx Sleet targeting aerospace and defense organizationsUnited States and South KoreaRuby Sleet; Onyx Sleet
Microsoft Digital Defense Report 2023Ruby Sleet, Onyx Sleet and Opal Sleet targeting Russian aerospace institute, university, and diplomatic entities (March 2023)RussianRuby Sleet; Onyx Sleet; Opal Sleet (likely)
July 25, 2024RGB 3rd Bureau (Andariel) global espionage against defense, aerospace, nuclear, engineeringAndariel, Onyx Sleet (formerly PLUTONIUM), DarkSeoul, Silent Chollima, and Stonefly/Clasiopa (RGB 3rd Bureau)
25/07/2024Organizations in the healthcare, energy and financial sectors>1APT45 a.k.a. Andariel, Onyx Sleet, Stonefly, and Silent Chollima
2024-07-25T15:57:18+00:00 (published_time)Onyx Sleet intelligence-gathering campaigns; May 2024 targeting of South Korean educational institutions, construction and manufacturing organizationsIndia, South Korea, and the United States; South KoreanOnyx Sleet