The United States and its foreign allies plan Monday to accuse China of overseeing widespread attempts to extort money in cyberspace, including through ransomware attacks, a dramatic escalation in the increasingly urgent attempt by the Biden administration to stave off further breaches.The United States and its foreign allies plan Monday to accuse China of overseeing widespread attempts to extort money in cyberspace, including through ransomware attacks, a dramatic escalation in the increasingly urgent attempt by the Biden administration to stave off further breaches.