This is our fifth and final blog post in a series for Women’s History Month 2020 focused on women innovating the future of IBM Research. The tremendous power of digital technology also introduces risk. If it’s hacked, or falls into the wrong hands, it can be used against us. That’s why security research is indispensable. The four women we meet here represent every aspect of it, from blockchain and open source defense to erecting cloud-based fortifications around digital crown jewels.