Jenkins, the popular open-source CI/CD tool, has inadvertently become a vector for hackers to compromise your systems during the COVID-19 pandemic, leaving many systems of business users encrypted by ransomware. In this session, we will be sharing the difficulties and goodies we have found with implementing Jenkins. Using real cases, we show you how hackers can quickly compromise your systems and move laterally within your organizations. You will see that hackers and their threats are everywhere, and their attacks will never stop.