Abstract : Industrial internet of things are essential factors for an organisation to maintain relevant work strategy. In this study, several types of security issues and countermeasures for IIOT are discussed critically. Various kinds of sensors, applications and devices are used by a company to identify security issues for IIOT. Visibility of work is overseen by a firm to gather several types of information related to work. Every company always tries to enhance troubleshooting and maintenance capabilities. Regulatory compliance is controlled by an organisation to understand issues of IIOT. Operational efficiency improves by these security issues for IIOT process. Quality assurance and artificial intelligence are controlled with help of these security issues. Digital transformation helps a company to mitigate those issues for IIOT. Lack of visibility, security integration and poor testing related issues are faced by a firm. Centralised connectivity helps an organisation to connect all networks in an organised way. This centralised connectivity plays an essential role to control performance. Secondary network system is managed by a company to mitigate security issues for IIOT. Several types of modern IoT devices are used for mitigating security issues.

Keyword : Security issues, IIOT, IOT, centralised connectivity.