PT Indo Tambangraya Megah
ransomhouse listed this organization on its leak site on Oct 2, 2026.
- Listing date
- Oct 2, 2026
- Attack date
- Sep 12, 2026
Listing text
PT Indo Tambangraya Megah, founded in 1987, is a leading coal producer based in Asia. The company focuses on maintaining high standards in corporate governance, environmental practices, and workplace safety. PT Indo Tambangraya Megah operates with a commitment to collaboration with local communities and stakeholders. The company has established a diverse customer base in the mining industry and offers various services related to coal production.
About the group
ransomhouse posted its first listing on Jun 1, 2021 and has listed 219 organizations to date.
RansomHouse is a double-extortion RaaS operation active since late 2021, attributed to the threat actor "Jolly Scorpius," targeting over 120 organizations across healthcare, finance, transportation, and government, recently upgrading to a multi-layered dual-key encryption architecture.
Learning center
What does this listing mean?
Ransomware groups move data out of the organization before encrypting systems and threaten to publish it if the ransom is not paid. This method is called double extortion.
The listing shows that the group claims to have targeted the organization. Whether the data was published is shown by the later status of the listing.
What should you do if your organization is listed on a leak site?
- Record the listing and any published sample files; do not visit the leak site from the corporate network.
- Isolate affected systems and preserve logs without deleting them.
- Determine which data left the organization; if personal data is involved, review notification obligations with your legal team.
- Make any decision about the ransom demand together with legal, management and incident response.
- Do not bring systems back online before the attacker’s entry point is closed.
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