Computer security refers to all the techniques and organizational, legal and human resources implemented to maintain or restore the availability, confidentiality and integrity of a computer system. Computer systems can, in fact, be subject to different types of threats, resulting from a malicious act or accidental circumstances. Threats that may affect the integrity, confidentiality or availability of information are referred to as "hacking".
Computer crime also includes computer offences, such as computer forgery and fraud, content-related offenses and intellectual property offences.
These breaches of data and computer systems can cause significant financial damage, but also harm someone's privacy, for example by disseminating confidential information. In addition, some threats can harm the image of the owner of the information system by highlighting the flaws in a security system or by spreading false information.