Our Cyber Taxi paper, which was presented at the ESORICS 2020 workshop MSTEC, is also available on arXiv. The lack of guided exercises and practical opportunities to learn about cybersecurity in a practical way makes it difficult for security experts to improve their proficiency. Capture the Flag events and Cyber Ranges are ideal for cybersecurity training. […]
Recently our CTF 2020 finally took place, which was initially postponed by COVID-19 and now carried out online. Each of the over 30 registered teams received a care package with food, drinks, information, goodies and – of course – a hardware challenge. The board itself was a treat, but the exchange with the participants wasn’t […]
In this example, the nerdhorn is both parent and partner and therefore has other functions, authorizations and tasks to do. As in normal life, digital identities have different roles. Associated with these roles are permissions. Users can have several user roles. A typical concept that implements this is RBAC, Role Based Access Control. Often the […]
Single Sign-On (SSO) describes the one-time authentication of a user, whereby he or she is authorized to use all associated services without having to authenticate again. SSO is often implemented in companies. If the user changes the device (e.g. from computer to tablet), the authentication is of course no longer necessary. SSO has the advantage […]
You don’t have to waste papers to manage your various passwords. In fact, this is counterproductive. It is better to save your passwords in a password manager. Password managers come in both commercial and open source versions. Many password managers also have password generators that help you choose good passwords. This already improves security, but […]