Purpose – The purpose of this study is to elaborate security risks with OTA updates within TRÅDFRI:s PAN. To ensure that today’s IoT devices maintains a high and robust standard to protect end-user’s integrity. Method – To answer the questions and to provide research-based evidence the study was carried out as a case study and two methods were applied in the study. An initial literature review in which the Zigbee protocol and it´s process for certification as well as OTA updates was studied. The literature review was followed by a qualitative experiment with focus on how IKEA implemented the PAN-security in practice. Findings – The findings show reduced security within the TRÅDFRI:s PAN when a third party device performs the OTA update. The experiments also questions parts of the certificate issued by Zigbee Alliance. Implications - Due to the increasing popularity of IoT devices, requirements are increasing from a data security perspective. The data security perspective is more important than ever and take up significantly more space during the development process as well as during the life cycle. This study discusses the OTA updates impact on integrity as well as how an established IoT company, such as IKEA, has implemented this necessary feature to maintain its products during the products life cycle. Limitations – Data gathered from the experiment was limited to TRÅDFRI E27 LED Bulb and therefore the result cannot be seen as a generalization of all TRÅDFRI products.

This Master Thesis, inspired by the relevance that home-offices have assumed as a consequence of the COVID-19 pandemic, originated from the architectural, quantitative, and qualitative analysis of lighting within the author’s student accommodation on KTH Main Campus, in Stockholm (Sweden). As a matter of fact, this background study proved that recommended lighting levels (Illuminance, Contrast Ratio, CCT, CRI, M-EDI, and DER values) were not met, making the space unsuitable and unhealthy to both live and work in. Moreover, evaluating individual lighting preferences, it was demonstrated that flexibility, customizability, and adaptability to daylighting and tasks are fundamental requirements for working from home.Considering the temporary nature of students’ leases, the idea of developing an inexpensive and easily assemblable kit of smart products, aimed at improving lighting in dormitories, came quite naturally.To study the implementation of visual comfort and focus on tasks, literature review, market analysis, quantitative measurements, and hands-on experiments were carried on.Thus, with the gained knowledge and experience, the Home-Office Lighting Kit, an array of commercially available sockets, shades, and smart sources, supporting circadian rhythm and individual preferences, was proposed. Along with it, instructions on set-up and scenarios were provided.Although the overall conclusion was that the market needs products with a better balance between price, sturdiness, and reliability, the lighting conditions within the case study space were substantially improved, making other students interested in doing the same.Eventually, interesting cues for the sector’s development were proposed.