Log4j Vulnerability
On December 10, 2021, the U. S. Department of Homeland Security's Cybersecurity and Infrastructure Security Agency and the National Security Agency announced a critical remote code vulnerability in may versions of Apache's Log4j software. Log4j is a java-based logging utility incorporated in frameworks, websites, and applications, and is widely used by major cloud services and well-known software vendors and manufacturers. Threat actors are actively exploiting these vulnerabilities and successful exploitation can be used to deploy ransomware, steal data, and disrupt operations.
Licensees should assess risk to their organization, customers, consumers, and third-party service providers based upon the evolving information and take action to mitigate the risk. The Cybersecurity and Infrastructure Security Agency is maintaining and regularly updating a webpage dedicated to this vulnerability to provide emerging guidance.
OCI reminds licensees to report cybersecurity events to OCICyberReport@wisconsin.gov that meet the criteria under Wis. Stat. § 601.953 (1) within three business days after determination that a cybersecurity event has occurred.