Evaluation of IT governance to support IT operation excellent based on COBIT 4.1 at the PT Timah Tbk

Role of Information Technology (IT) in the company become a necessity that can not be avoided even become major tools or enabler in the management of business functions. Increased investment and IT implementation let followed by increasing the benefits provided. it is necessary for evaluation and control of the IT implemented so in line with expectations. One way is to apply the control of IT IT Governance (IT Governance). IT governance is intended to ensure the application of IT are held in harmony and support the achievement of business objectives. This study aimed to evaluate the level of IT maturity using COBIT 4.1. The results of the study measuring the maturity level of IT governance as a whole is currently obtained value of 2.88 (Defined). While the value of the PO maturity based domain-level values of 3.09 (Defined), AI domain is worth 2.67 (Defined), and domain DS-value of 2.78 (Defined) and ME domain is worth 3.08 (Defined). While the value of IT governance maturity expected overall reached a value of at least 3.27 (Defined). While the maturity of the targeted domain PO appreciating 3.50 (Defined), AI domain is worth 3.14 (Defined), and domain DS-value of 3.14 (Defined) and ME domain is worth 3.40 (Defined). To meet the target level of maturity (gap) on the expected forward at PO domain necessary corrective action, especially PO2, PO5 and PO6.