Substack Daily Updates – 5-6-26

Today I published the following on Chemical Facility Security News:

• OMB Approves APHIS Biotech Regulation RFI - https://chemical-facility-security-news.blogspot.com/2026/05/omb-approves-aphis-biotech-regulation.html

• Short Takes – 5-6-26 – Federal Register – FMCSA, HM safety permit ICR – TSA, critical pipeline operator ICR – TSA, HMI threat assessment ICR - https://chemical-facility-security-news.blogspot.com/2026/05/short-takes-5-6-26-federal-register.html

• Review - PHMSA Publishes UAS Facility Restriction NPRM – Long awaited FAA proposed rule to designate CI facilities as UAS free zones – Short version of article published here (premium content) - https://chemical-facility-security-news.blogspot.com/2026/05/review-phmsa-publishes-uas-facility.html

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

• 1 Advisory and 2 Updates Published – 3-5-26,

• Bills Introduced – 3-5-26,

• (2021) Public ICS Disclosures - Week of 6-19-21, and

• (2022) ChemLock Exercises - Vehicle-Borne IED.

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

• I posted the following to a discussion on Mastodon on a potential CISA 3-day fix deadline for critical flaws: “This 3-day fix deadline is further complicated by the increase in the number of vulnerabilities being exploited as 0-days. Both issues are inevitably going to require more people working on the issues at the same time that the politicians are reducing spending.”