FISERV.COM
● Listed in the last 48hAbout the organisation
[AI generated] Fiserv is a leading American financial technology company headquartered in Milwaukee, Wisconsin. It provides payment processing, banking software, and financial services technology to banks, credit unions, merchants, and other financial institutions worldwide. Its services include core banking systems, digital payments, card processing, and data analytics. Fiserv operates globally and is listed on the NASDAQ stock exchange.
What the listing means
FISERV.COM appeared on the clop leak site on 12 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 87 claims in the last 30 days and remains active.
Recommended actions
- Treat any unsolicited message referencing FISERV.COM as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account on FISERV.COM, change that password now, update it anywhere you reused it, and enable two-factor authentication.
- Other Financial Services 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/RklTRVJWLkNPTUBjbG9w
Show leak-site screenshot
Captured from the group's extortion site. It may contain the victim's data or the attacker's messaging.
