WordPress.com is considered more secure than wordpress.org because they limit the themes and also does not allow installing plugins. However, the security is more dependable on how the hosting company is hosting your website(wordpress.org) & also what are the steps they are taking to prevent the security problems.
We have a dedicated team of professionals who work on projects for Engineering, MCA, MBA and academics from different verticals. All these abstract can be used for major or minor projects. Students, freshers are most welcome to contact us and clarify their questions. Our brand Pasham Technologies will be very much helpful to help students to build their career with our project ideas.