Colonial Pipeline ‘ransomware’ attack shows cyber vulnerabilities of U.S. energy grid

Such “ransomware” attacks have become a global scourge, impacting banks, hospitals, universities and municipalities in recent years. Almost 2,400 organizations in the United States were victimized last year alone, one security firm reported. But the attackers are increasingly targeting industrial sectors because these firms are more willing to pay up to regain control of their systems, experts say.