All actors

Longhorn

Also reported as APT-C-39, Lamberts, the Lamberts, PLATINUM TERMINAL, The Lamberts and 1 other name. Linked to United States by three sources.

Reports
22
Last reported
Known CVEs
7
Origin
United States
ID
longhorn
Merge evidence
9 alias matches

Reports per quarter

  1. 2017 Q2: 5 reports
  2. 2017 Q3: 1 report
  3. 2017 Q4: no reports
  4. 2018 Q1: 2 reports
  5. 2018 Q2: no reports
  6. 2018 Q3: no reports
  7. 2018 Q4: no reports
  8. 2019 Q1: no reports
  9. 2019 Q2: no reports
  10. 2019 Q3: 1 report
  11. 2019 Q4: 2 reports
  12. 2020 Q1: no reports
  13. 2020 Q2: no reports
  14. 2020 Q3: 2 reports
  15. 2020 Q4: no reports
  16. 2021 Q1: no reports
  17. 2021 Q2: 1 report
  18. 2021 Q3: no reports
  19. 2021 Q4: 3 reports
  20. 2022 Q1: no reports
  21. 2022 Q2: no reports
  22. 2022 Q3: no reports
  23. 2022 Q4: no reports
  24. 2023 Q1: no reports
  25. 2023 Q2: 1 report
  26. 2023 Q3: no reports
  27. 2023 Q4: 1 report
  28. 2024 Q1: no reports
  29. 2024 Q2: no reports
  30. 2024 Q3: no reports
  31. 2024 Q4: no reports
  32. 2025 Q1: 1 report
  33. 2025 Q2: no reports
  34. 2025 Q3: no reports
  35. 2025 Q4: no reports
  36. 2026 Q1: no reports
  37. 2026 Q2: 2 reports
Dated reports, 2017 Q2 to 2026 Q2.

CVEs named in reports

KEV marks a CVE in CISA's Known Exploited Vulnerabilities Catalog, and “ransomware” marks one that the catalog records as used in ransomware campaigns.

Reports

  1. Chinese Influence Operations A Machiavellian Moment

    date in the title fromORKL

  2. Made In America- Green Lambert for OS X

    date in the title fromORKL

  3. US Cyber Operations Groups

    date in the title fromORKL

Show all 22 reports Show fewer
  1. An overview of targeted attacks and APTs on Linux

    date in the title fromORKL

  2. Unraveling the Lamberts Toolkit

    date in the title fromORKL

  3. Unraveling the Lamberts Toolkit

    date in the CCS '25 data Kaspersky fromORKLCCS '25 data

  4. Longhorn_ Tools used by cyberespionage group linked to Vault 7

    date in the CCS '25 data Symantec fromORKLCCS '25 data

Newest first. Details opens the report in Explore.