Feasibility and efficacy of a digital resilience training: A pilot study of the strengths-based training RESIST

•Strengths-based CBT is feasible for digital interventions and a potentially effective method for promoting resilience.•PASTOR might be a useful theoretical framework for developing resilience interventions.•Preliminary results showed a reduction in perceived stress as well as an increase in resilience-related outcomes.•The flexible combination of web- and app-based training elements might have contributed to positive effects on mental health.