At least six lawsuits have been filed against Coinbase following a cybersecurity incident that led to a breach of user account data, a report by CoinTelegraph claimed on Monday. The plaintiffs have said that Coinbase failed to train its employees adequately that led to the incident.At least six lawsuits have been filed against Coinbase following a cybersecurity incident that led to a breach of user account data, a report by CoinTelegraph claimed on Monday. The plaintiffs have said that Coinbase failed to train its employees adequately that led to the incident.