quantinuum.com
● Listed in the last 48hAbout the organisation
Quantinuum is a quantum computing company that develops advanced quantum computers, software, and cybersecurity solutions to solve complex scientific and industrial challenges. The company provides full-stack quantum technologies for areas such as materials science, drug discovery, encryption, artificial intelligence, and optimization, helping enterprises and researchers accelerate innovation through quantum computing. The leak dates back to pre-IPO. QUANTINUUM deliberately withheld this information from investors. The exact amount of stolen data will be revealed after publishing.
What the listing means
quantinuum.com appeared on the incransom leak site on 01 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 29 claims in the last 30 days and remains active.
Recommended actions
- Treat any unsolicited message referencing quantinuum.com as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account on quantinuum.com, change that password now, update it anywhere you reused it, and enable two-factor authentication.
- Other Technology 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/cXVhbnRpbnV1bS5jb21AaW5jcmFuc29t
Show leak-site screenshot
Captured from the group's extortion site. It may contain the victim's data or the attacker's messaging.
