Constellation Software Inc. Reports Data Breach

On May 12, 2023, Constellation Software Inc., a Toronto-based holding company, reports a data breach involving unauthorized access to parts of the company's computer network and potentially exposing confidential consumer information. The attack is apparently execyted by the ALPHV gang.

While the specific data compromised has not been disclosed publicly, Constellation Software has sent detailed breach notification letters to the affected individuals.

Constellation Software has engaged a third-party data security firm to investigate the incident, which revealed unauthorized activity between February 27, 2023, and April 3, 2023. Files containing sensitive consumer information were accessed by the unauthorized party.

Constellation Software has reviewed the compromised files and sent breach notification letters to affected individuals. Constellation Software is a large company with various software subsidiaries, employing over 25,000 people and generating approximately $4.2 billion in annual revenue.