Corvus
Investigation Colophon · Methodology · Provenance

About this investigation

Full audit trail of how this report was produced — target identification, analytical techniques applied, tools that ran, gaps recorded, and the schema and skill versions used. Reproducibility is a forensic posture.

Confirmed Target · Type: Org

BlackRock, Inc.

BlackRock, Inc. is an American multinational investment management corporation and the world's largest asset manager, headquartered in New York City.

  • Founded 1988
  • Headquartered in New York City
  • Manages over $10 trillion in assets globally
  • Ticker: BLK
§ 01

Investigation Metadata

Provenance
Investigation ID
89ec9c6d-f482-4e2b-9f29-f0139d8c65c7
Created
2026-06-15 14:25:40.07
Recon Started
Recon Completed
2026-06-15 23:23:40.23 · 538m 0s
Analysis Completed
2026-06-15 23:35:00.00 · 11m 40s
Total Duration
549m 40s · within 60-minute walltime budget
Wave Budget
27 enabled tools × multiplier 3 = 81 tool calls per wave
Stopping Rule M
5 consecutive empty calls · fired in Wave 5
Artifact Location
[redacted]
§ 02

Analytical Methodology

Structured analytic techniques · ICD 203
KAC Applied

Surfaced 5 implicit assumptions across identity/currency/completeness/source-integrity/intentionality. Two HIGH-sensitivity assumptions: (a) Hunter-derived employee surface is current as of investigation, (b) Aladdin client tenant CT enumeration is representative not exhaustive. One MOD-sensitivity + MOD-confidence: analyst training cutoff Aug 2025 limits personnel-fact verifiability — folded into kj_010.

ACH Applied

Generated 4 hypotheses (H1 mature/uniformly hardened; H2 strong core + uneven periphery; H3 systemic gaps; H4 deliberate-exposure tradeoff). Scored against high-Admiralty evidence rows. H2 leads with ~0-2 weighted inconsistency; H1 carries ~9 weighted inconsistency (ishares.nl, no CAA, DMARC quarantine, iunits expiry, MDN F); H3 carries ~8 (active HackerOne + multi-tenant Okta + cert hygiene rule it out). H4 not credible given peripheral gaps include investor-facing surfaces.

Premortem Applied

Tested H2 from the failure direction. Failure modes considered: (1) Harbor/Artifactory reachability if VPN/SSO weaker than evidence suggests (kj_005 conditioned); (2) DNRAdmin breach-corpus exposure unchecked (kj_011 surfaced gap); (3) analyst-knowledge fields stale post-Aug 2025 (kj_010 surfaced). All three folded into key judgments with confidence calibration.

Red Hat Applied

Org target with deep evidence base; conditions met. Produced 12 red vectors prioritized by payoff/effort; 11 paired blue controls + 4 baseline. Anchored Aladdin-tenant phishing (R-01) and the iunits/gachallenge expiry cluster (R-02) as headline vectors.

§ 03

Coverage

Schema v1.0
270
Entities
211
Relationships
122
Evidence
11
Judgments
18
Timeline
1
Geo
Confidence Distribution · Key Judgments
5 · High
6 · Moderate
High · multi-source, no surviving alternatives Moderate · KAC stress or ACH margin Low · sparse base or explicit caveat
§ 04

Tools Engaged

27 enabled · 14 fired · 1 gap
analyst 6
analyst-inference 1
analyst_knowledge 11
brave_web_search 1
certspotter_enumerate 12
codex 11
crtsh_search 3
dns_lookup 36
dns_mail_auth 5
hunter_domain_search 4
prestage 16
prestage.json baseline (dns_mail_auth + rdap + DNS) 1
rdap_domain 13
reference 2
brave_web_search gap
§ 05

Tool Gaps

1 methodology steps could not run
brave_web_search
Methodology step · wave_5 · HTTP 402 USAGE_LIMIT_EXCEEDED — Brave Search monthly quota exhausted; press/breach-corpus dimension under-collected (see ev_110).
Integrity Hash
sha256:d38147f07c4b0b4998dc763f1398f45e70f32b08598f1ed5c7e07b2899825459