Threat Actor
Calypso
- First Reported
- May 21, 2026
- Latest Reported
- May 21, 2026
Reported Context (2)
- The article identifies Calypso as one threat actor linked to Showboat-related activity and reports that it used JFMBackdoor in the campaign targeting an Afghanistan telecommunications provider. The article says Calypso has previously been observed exploiting CVE-2021-26855. Researchers Link Showboat Linux Malware to Middle East Telecom Campaign
- The campaign targeting telecommunications providers is attributed to Calypso; the article says the operation has been active since at least mid-2022. Researchers Detail Calypso-Linked Telecom Espionage Campaign Using Showboat and JFMBackdoor
CVE (1)
Malware (8)
People (1)
Threat Actors (2)
MITRE ATT&CK (15)
Vendors (1)
Products (1)
Industries (1)
Countries (5)
Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.