A threat actor is offering a large database for sale, claims it came from Finastra The finance giant sends out data breach notification letter to affected customers, claiming its secure file transfer service was compromised The attacker used stolen credentials to pull off the heist Fintech software firm Finastra is warning its customers a recent data breach may have meant it recently lost some data.

Finastra has confirmed it warned customers of a cybersecurity incident after a threat actor began selling allegedly stolen data on a hacking forum.

London-based Finastra has offices in 42 countries and reported $1.9 billion in revenues last year. The company employs more than 7,000 people and serves approximately 8,100 financial institutions around the world.

Alleged theft involved 400 GB of customer and internal data presumably containing sensitive financial details.

Finastra says it is investigating which institutions might have had data compromised.

Finastra, a London-based financial software company that serves most of the world’s top banks, has confirmed it’s investigating a data breach after a hacker claimed a compromise of the company's internal file-transfer platform.