Corona Corporation
● Listed in the last 48hAbout the organisation
The company specializes in creating a comfortable home environment, focusing on heating, cooling and hot water technologies. It was founded at April 1937, and now have more than 2000 employee. Corona Corporation is stock listed, ticker 5909.T at Tokyo Stock Exchange (Standard)
What the listing means
Corona Corporation appeared on the metaencryptor leak site on 23 August 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 6 claims in the last 30 days and remains active.
Recommended actions
- Treat any unsolicited message referencing Corona Corporation as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account on corona.co.jp, change that password now, update it anywhere you reused it, and enable two-factor authentication.
- Other Other 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/Q29yb25hIENvcnBvcmF0aW9uQG1ldGFlbmNyeXB0b3I=
Show leak-site screenshot
Captured from the group's extortion site. It may contain the victim's data or the attacker's messaging.
