v2 → v3
Scores
trust_score0 → 0
severity_base— → —
score_modifier0 → 0
Sections
Campaign Overview and Mechanics → Campaign overview
unchanged
Multi-Stage Attack Flow → Letter design and attack flow
unchanged
Technical Infrastructure → Phishing infrastructure
unchanged
Official IRS Response and Regulatory Context → Official response
unchanged
Victim Guidance and Recommended Actions → Targeting and victim reach
unchanged
Broader IRS Impersonation Threat Landscape → Attribution and investigation status
unchanged
Attribution and Investigation Status → Physical mail as an attack vector
unchanged
(section 8) → Broader IRS impersonation and crypto scam landscape
unchanged
(section 9) → Warning signs and guidance for recipients
unchanged
Timeline events
+ added2026-07 — (no description)
+ added2026-08 — (no description)
- removed2026-07-28 — (no description)
- removed2026-07-30 — (no description)
- removed2026-07-31 — (no description)
- removed2026-08-03 — (no description)
- removed2026-08-04 — (no description)
- removed2026-08-07 — (no description)
Accepted submissions
No changes to accepted submissions.
Each version is bound to the decision event that created it. Verify the chain anchor for either via the audit log.
v2 hash: 3a1fab6dae8a1ef7c9882cced994f6b1cf6638dc22123f663e15d09b238c939d
v3 hash: 6733ef2844b6d35d47f0e6ba29b8792ff2ac5b54fba00b6c11e8f82e594ed722