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The importance of updating, expanding and improving what is taught in cybersecurity curricula is increasing as the security threat landscape becomes more dangerous, breaches become more frequent, and the number of deployed Internet of Things (IoT) devices, known for their security challenges, grows exponentially. This paper argues that a profile of "T-shaped" skills, which is known to be desirable in many consulting and design professions, is being reflected in the latest manifestations of cybersecurity curriculum design and accreditation. A model of learning that yields "T-shaped" professionals combines the ability to apply knowledge across domains (breadth) with the ability to apply functional and disciplinary skills (depth). We present the design of a junior- or senior-level cybersecurity course in which the horizontal stroke of the "T" (representing breadth) spans knowledge areas that cut across the people, process and technology triad. The vertical stroke of the "T" (representing depth) is provided by two aspects of the course design: first, learning the foundational principles of cybersecurity, including practical examples from cryptography and network security; and second, applying the principles of cybersecurity to a semester project, allowing students to expand the core "T" of the course to satisfy their own passions and interests. Our paper concludes with student and instructor reflections on the implementation of this cybersecurity course, as well as broader implications of the lessons learned after the initial offering of this course.

The importance of high-tech careers has risen as the international competitiveness of US students on tests of science and math has declined. The problem is compounded by a persistent inequity in STEM participation and achievement in the US across gender and racial and ethnic groups. Bridgewater State University's Student Retention Enhancement Across Mathematics and Science (STREAMS) program has instituted simultaneous, structural changes across every introductory science and mathematics course. These changes include a required peer-led cooperative-learning program that attaches learning supports to an interconnected series of gateway science and math courses in order to improve retention in the STEM majors. This paper begins by describing the characteristics of students supported by STREAMS. It then describes how STREAMS personnel worked with departments to design and implement structural changes to their introductory courses, along with the key features of the models adopted by each department and how they fit into a range of peer-led cooperative-learning models. It shows the results of these changes on student retention within STEM majors for all students and for traditionally underserved students.