In-brief: on this week’s Security Ledger Podcast, we delve deeper into the question of maritime cyber security, speaking with noted researcher Ruben Santamarta of the firm IOActive about the work he’s done exposing vulnerabilities in the software that runs both commercial and navy vessels. Also: Alan Brill of Kroll joins us to talk about The Internet of Things Cybersecurity Improvement Act. And we talk to Maria Loughlin of the firm Veracode about a new survey that suggests undergraduate computer science majors aren’t receiving adequate instruction in cyber security.