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SolarWinds (2020) — Incident Date: Mar 2020

Verdictconfirmed95%
1 check · 4/30/2026

1 → confirmed

Our claim

entire record
Subject
SolarWinds (2020)
Property
Incident Date
Value
Mar 2020
As Of
December 13, 2020
Notes
Earliest confirmed compromise activity; CISA AA20-352A. Public disclosure December 13, 2020.

Source evidence

1 src · 1 check
confirmed95%primaryHaiku 4.5 · 4/30/2026

NoteThe source explicitly states that the compromises 'began at least as early as March 2020' (2020-03), which matches the claim's incident date of '2020-03'. The source also confirms the public disclosure date of December 13, 2020 (2020-12-13), matching the 'asOf' date in the claim. The advisory code AA20-352A is also referenced in the claim's additional context. All key elements of the claim are directly supported by the source text.

Case № f_VHWGaub52ZFiled 4/30/2026Confidence 95%
Source Check: Incident Date | Longterm Wiki