The blackbyte ransomware group listed PRESS-SERVICE Monitoring Mediów on its data leak site on 2023-05-04. Country: PL Sector: Professional Services Domains named: psmm.pl Claim as published on the leak site: PRESS-SERVICE Monitoring Mediów is a company that operates in the Security and Investigations industry. It employs 101-250 people and has 25M-50M of revenue. The company is headquartered in Warsaw, Masovian Voivodeship, Poland.