Substack Daily Updates – 4-27-26

Today I published the following on Chemical Facility Security News:

• Looking Back – 6-2-2010 – Chemical safety tools as security measures - https://chemical-facility-security-news.blogspot.com/2026/04/looking-back-6-2-2010_0963087230.html

• Advisory Follow-Up – Researcher Follow Through – More information about a set of vulnerabilities than we normally get to see - https://chemical-facility-security-news.blogspot.com/2026/04/advisory-follow-up-researcher-follow.html

• Short Takes – 4-27-26 – Federal Register – DOT (incl PHMSA and FMCSA) Administrative rules Final Rule – DOE, energy conservation NPRM – NASA patent ICR notice - https://chemical-facility-security-news.blogspot.com/2026/04/short-takes-4-27-26-federal-register.html

• Review – Committee Hearings – Week of 4-26-26 – Budget and spending bill hearings – CISA SRMA hearing – Space Defense hearing – Short version of article published here (premium content) - https://chemical-facility-security-news.blogspot.com/2026/04/review-committee-hearings-week-of-4-26.html

• Review - HR 8469 Introduced – FY 2027 MilCon Spending – Relatively small spending increases – 2 cybersecurity discussions in Committee Report – Short version of article published here (premium content) - https://chemical-facility-security-news.blogspot.com/2026/04/review-hr-8469-introduced-fy-2027.html

I have removed the following articles from the CFSN Detailed Analysis paywall:

• 3 Advisories and 2 Updates Published – 4-2-26 (supporting ‘Advisory Update’ post),

• Bills Introduced – 2-25-26,

• CSB Publishes Dow EO Release Investigation Report, and

• S 1260 and Cybersecurity.

I posted the following to my social media feeds (X, Mastodon, Substack, and LinkedIn):

• I posted the following to a discussion on X about another ‘simple’ equation question: “Unless you use reverse polish notation then it is ‘0’. If you want to avoid legitimate confusion add parentheses.”