Delivered daily by 10 a.m., Morning Cybersecurity examines the latest news in cybersecurity policy and politics. By signing up you agree to receive email newsletters or alerts from POLITICO. You can unsubscribe at any time. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. Editor’s Note: This edition of Morning Cybersecurity is published weekdays at 10 a.m. POLITICO Pro Cybersecurity subscribers hold exclusive early access to the newsletter each morning at 6 a.m. Learn more about POLITICO Pro’s comprehensive policy intelligence coverage, policy tools and services at politicopro.com. — Lawmakers and election equipment makers discussed researcher probes of the companies’ wares at a rare hearing on Thursday. — A major software industry organization raised doubts about a proposed Commerce Department rule for information and communications technology supply chain security. — The risk of possible Iranian cyberattacks has stayed on the agenda for DHS, researchers and others. HAPPY FRIDAY and welcome to Morning Cybersecurity! Stay strong, Betelgeuse. We’re all on your side. Send your thoughts, feedback and especially tips to tstar...