Log4j flaw could be a problem for industrial networks 'for years to come' | ZDNet Cybersecurity researchers issue advice for critical infrastructure operators – many of who might not even know whether or where Log4j is used on the network. Log4j flaw: Nearly half of corporate networks have been targeted by attackers trying to use this vulnerability | ZDNetCybersecurity researchers warn on the growing pace of scans and attempted attacks looking to exploit the Java logging library security flaw.