---
id: "papers-security-threats-mitigations-sedi"
type: "talk"
type_label: "Talks and presentations"
title: "Security Threats & Mitigations for Persistent State Issued Citizen Entitlements (SEDI): trade-space walk through"
maintainer: "Samuel M. Smith"
authors:
  - "{'name': 'Samuel M. Smith'}"
date: "2025-10-01"
year: 2025
reading_level: "practitioner"
reading_level_label: "Practitioner"
reading_level_meaning: "architects, product people and adopters who know identity systems"
evidence: "informative"
evidence_meaning: "an author's paper, deck, tutorial or post explaining the suite"
status: "quiet"
status_meaning: "no change in six to eighteen months; still correct"
access: "public"
access_meaning: "anyone with the link"
topics:
  - "policy"
  - "theory"
roles:
  - "security-architect"
  - "standards-policy"
  - "communications"
  - "business-development"
  - "researcher"
source_url: "https://github.com/SmithSamuelM/Papers/blob/master/presentations/SecurityThreatsMitigationsSEDI.web.pdf"
source_license: null
source_license_note: null
found_on: "smith-papers"
kerisse_credit: false
abstract_license: "CC BY 4.0"
abstract_license_url: "https://creativecommons.org/licenses/by/4.0/"
abstract_attribution: "KSKB, the KERISuite Knowledge Base (https://kskb.dev/)"
last_checked: "2026-10-15"
kskb_url: "https://kskb.dev/cards/papers-security-threats-mitigations-sedi/"
kskb_app_url: "https://kskb.dev/#item/papers-security-threats-mitigations-sedi"
kskb_record_url: "https://kskb.dev/data/kskb/resources/papers-security-threats-mitigations-sedi"
kskb_markdown_url: "https://kskb.dev/export/cards/papers-security-threats-mitigations-sedi.md"
---

# Security Threats & Mitigations for Persistent State Issued Citizen Entitlements (SEDI): trade-space walk through

A 234-slide deck by Samuel M. Smith dated 2025/10/01 on its title slide (the PDF was created in January 2026), walking through threats to a state system that issues long-lived citizen entitlements and the mitigations KERI (Key Event Receipt Infrastructure) and ACDC (Authentic Chained Data Container) offer. It extends the "SEDI Policy and Technology Trade Space" deck with threat statistics, signing-infrastructure attacks and proof-of-age options. For policy makers and practitioners.

Labels: reading level Practitioner; evidence informative (an author's paper, deck, tutorial or post explaining the suite).
Source: https://github.com/SmithSamuelM/Papers/blob/master/presentations/SecurityThreatsMitigationsSEDI.web.pdf (license not recorded).
The abstract is KSKB's own text under Creative Commons Attribution 4.0 (CC BY 4.0), https://creativecommons.org/licenses/by/4.0/; credit KSKB, the KERISuite Knowledge Base (https://kskb.dev/).