Coinbase Cartel Claims Tower Insurance in Ransomware-Extortion Campaign Breach Threat Intelligence Uncategorized Coinbase Cartel Claims Tower Insurance in Ransomware-Extortion Campaign threatinfo September 9, 2026 The cyber-extortion group known as Coinbase Cartel has listed Tower Insurance on its ransomware leak site, claiming... Read More Read more about Coinbase Cartel Claims Tower Insurance in Ransomware-Extortion Campaign