Calypso

Aliases: BRONZE MEDLEY, Red Lamassu

First seen
2016-09-01 00:00:00
Origin
CN
Primary motivation
espionage
Sophistication
advanced
Actor type
nation-state
Profile updated
2026-07-07 11:48:32

Targeted industries: government-and-public-sector

Targeted regions: country_code:br country_code:in country_code:kz country_code:ru country_code:th country_code:tr

Context

For the first time, the activity of the Calypso group was detected by specialists of PT Expert Security Center in March 2019, during the work to detect cyber threats. As a result, many malware samples of this group were obtained, affected organizations and control servers of intruders were identified. According to our data, the group has been active since at least September 2016. The main goal of the group is to steal confidential data, the main victims are government agencies from Brazil, India, Kazakhstan, Russia, Thailand, Turkey. Our data suggest that the group has Asian roots. Description translated from Russian.

Reports & references

  • ESET — Exchange Servers Under Siege 10 Apt Groups (report)
  • ptsecurity.com — Calypso Apt 2019 Rus (report)
  • pwc.com — Red Lamassu Open Season (report)

External references