Advances in technology have an impact on human life. From the good impact, by making it easier for humans to communicate, exchange information, and make transactions. Until the bad impact with technological advances triggering a cyber crime. The presence of legal products of Law Number 11 of 2008 concerning Electronic Information and Transactions as amended to Law Number 19 of 2016 concerning Amendments to Law Number 11 of 2008 concerning Electronic Information and Transactions to regulate social life in order to provide a deterrent effect to anyone who committing cyber crime. This research uses empirical normative research method with live case study type. Where the data used are primary data, namely interviews and secondary data which consists of three legal materials (primary, secondary, tertiary). The legal systematic approach or the statute approach and the case law approach used in this research. This study analyzes the regulations that apply to laws that govern cybercrime and analyzes the proof of digital traces of hacking electronic systems in Indonesia. There is a description of the types of attacks in hacking. The use and selection of attacks in hacking are tailored to the hacker's goals. How can electronic evidence be interpreted into a thought that electronic evidence is valid evidence in criminal procedural law. In addition, the author also discusses the authority of investigators in carrying out cyber crime investigations, from collecting and looking for evidence to examination methods so that digital traces are obtained related to cyber crimes committed by hackers. This research also discusses the proof of a hacking digital footprint experienced by one of the minimarkets in Indonesia by breaking into the electronic system. Where is the role of the examination carried out to prove that there is a digital trace that shows a hacking activity against the minimarket electronic system.