Siam Okamura International Co
About the organisation
Siam Okamura International Co., Ltd., established in Thailand in 1996, is a leading provider of high-quality Japanese-designed ergonomic office furniture and interior solutions. Based in Bangkok with local manufacturing via Siam Okamura Steel Co., Ltd., they offer products and services for offices, education, healthcare, and retail spaces.
What the listing means
Siam Okamura International Co appeared on the dragonforce leak site on 04 April 2026. Groups publish a victim once negotiations stall or as pressure during them, so a listing usually means data was already exfiltrated. This group has published 39 claims in the last 30 days and remains active.
Recommended actions
- Treat any unsolicited message referencing Siam Okamura International Co as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account on www.okamura.co.th, change that password now, update it anywhere you reused it, and enable two-factor authentication.
- Other Manufacturing organisations should review this group's known TTPs and validate detection coverage against them.
- Watch for follow-on extortion: stolen data is often re-leaked or resold after the initial listing.
- A leak-site listing is a claim made by the attacker, not a confirmed breach — check the organisation's own disclosures before acting on it.
Leak-site evidence
Listing URL https://www.ransomware.live/id/U2lhbSBPa2FtdXJhIEludGVybmF0aW9uYWwgQ29AZHJhZ29uZm9yY2U=
Show leak-site screenshot
Captured from the group's extortion site. It may contain the victim's data or the attacker's messaging.
