Map possible risks and vectors of the attack when an employee connects to the company resources from an unknown environment (for example, employee's personal device). Analyze existing solutions and find out whether or how they solve the issues found. Using the information obtained, design mitigation of risks and possible attacks found and thus define the secure web browser requirements. Make a prototype based on the Chromium core that implements a subset of designed mitigations on Android devices with a multiplatform potential. When implementing, consider the importance of security updates and suggest appropriate measures to keep the Chromium core up to date. In the end, demonstrate that the prototype resists the attack vectors that have been tried to mitigate.