With the IT technology being widely used in each work area and the pressure from competition,information security will be the core topic of enterprise competition.HLC can help enterprise to establish a complete set of information security assessment system to promote the competitiveness of enterprise.Information security risk assessment will systematically analyze the risk and vulnerability of information system, assess the damage that security incident may cause and put forward targeted protective countermeasure and corrective actions to against threat by using scientific methods from perspective of various risk management of information property.It will help the enterprise to guard against and resolve information security risk,control it at acceptable level and furthest keep information security providing scientific basis.