brain.html

<title>Fraud Brain — Muster Verpackungen FY2025</title>
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<div class="wrap">
<header>
  <div>
    <div class="eyebrow">cortea fraud-hunt · Berlin Summer Lock-In · practice dossier</div>
    <h1 class="serif">Fraud <em>Brain</em> — Muster Verpackungen GmbH, FY2025</h1>
  </div>
  <div class="meta mono">deterministic engine · ingest.py + checks.py<br>
    run 2026-07-18 12:15 · pipeline &lt; 5 s · 20,258 GL rows · 3,482 chains</div>
</header>

<section class="tiles" aria-label="Summary">
  <div class="tile flag"><div class="n">11</div><div class="l">FLAGGED — deterministic control violations</div></div>
  <div class="tile rev"><div class="n">6</div><div class="l">NEEDS REVIEW — judgment required</div></div>
  <div class="tile acc"><div class="n mono">€638k</div><div class="l">quantified impact across 4 schemes</div></div>
  <div class="tile"><div class="n mono">23 min</div><div class="l">handoff → validated findings (build time)</div></div>
</section>

<h2>Impact by scheme</h2>
<div class="bars" role="img" aria-label="Bar list: Ratio Consulting cash-out €295,120; unrecorded liabilities €192,000; capitalized repairs €150,800; split payments €39,040">
  <div class="brow"><span class="bl">Related-party cash-out — Ratio Consulting</span>
    <span class="btrack"><span class="bfill" style="width:100%" title="€295,120 — 5 invoices, all paid in 2 days, zero deliverables"></span></span>
    <span class="bv mono">€295,120</span></div>
  <div class="brow"><span class="bl">Unrecorded liabilities (cut-off, 8 ghost vendors)</span>
    <span class="btrack"><span class="bfill" style="width:65%" title="€192,000 — Dec-2025 services invoiced Jan-2026, no accrual"></span></span>
    <span class="bv mono">€192,000</span></div>
  <div class="brow"><span class="bl">Repairs capitalized as fixed assets (6 additions)</span>
    <span class="btrack"><span class="bfill" style="width:51%" title="€150,800 — Reparatur/Austausch/Instandsetzung booked as assets"></span></span>
    <span class="bv mono">€150,800</span></div>
  <div class="brow"><span class="bl">Split payments under €10k approval limit</span>
    <span class="btrack"><span class="bfill" style="width:13%" title="€39,040 — 4 same-day payments, Castor Papier"></span></span>
    <span class="bv mono">€39,040</span></div>
</div>

<h2>The five schemes</h2>
<section class="board">
  <div class="scheme"><span class="amt mono">€295,120</span><h3>1 · Phantom vendor “Ratio Consulting”</h3>
    <p>MV-U05 created <strong>and</strong> approved vendor 209101 incl. bank details, holds
    create-vendor + book + payment-run rights, no approval right. 5 consulting invoices, each paid
    2 days after invoice date, zero delivery evidence.</p><div class="fid">F001 · conf 0.95</div></div>
  <div class="scheme"><span class="amt mono">€192,000</span><h3>2 · Cut-off via 8 ghost vendors</h3>
    <p>Vendors 209130–137 (“Musterort”) created past the approval control, Dec-2025 services
    invoiced Jan-2026, no FY2025 accrual. Triple-corroborated: change-log absence + service dates
    + ER sequence gap 901427–434.</p><div class="fid">F002 · F010 · F014 · conf 0.90</div></div>
  <div class="scheme"><span class="amt mono">€150,800</span><h3>3 · Repairs capitalized as assets</h3>
    <p>Six additions named Reparatur / Austausch / Instandsetzung / Generalüberholung — period
    expense moved to the balance sheet (JET K3).</p><div class="fid">F003–F009 · conf 0.85</div></div>
  <div class="scheme"><span class="amt mono">€39,040</span><h3>4 · Split payments (K5)</h3>
    <p>Castor Papier: 4 payments on the same day, each just under €10,000 — a single obligation
    split below the second-approval threshold.</p><div class="fid">F004 · conf 0.85</div></div>
  <div class="scheme"><span class="amt mono">—</span><h3>5 · Opening balances unverifiable</h3>
    <p>Prior-year trial balance is empty (headers only) while the IT attestation claims export
    completeness — the €36.8M opening layer has no source.</p><div class="fid">F011 · conf 0.90</div></div>
</section>

<h2>Ask the brain — live Cognee knowledge graph</h2>
<div class="askbox">
  <form id="askform">
    <input id="q" type="text" placeholder="e.g. How is MV-U05 connected to Ratio Consulting?"
      autocomplete="off" aria-label="Question for the knowledge graph">
    <button type="submit" class="askbtn">Ask Cognee</button>
  </form>
  <div id="askout" aria-live="polite"></div>
</div>

<h2>Findings register — every number cites its source</h2>
<div class="chips" role="group" aria-label="Filter by tier">
  <button class="chip" aria-pressed="true"  data-t="ALL">All 18</button>
  <button class="chip" aria-pressed="false" data-t="FLAGGED">Flagged 11</button>
  <button class="chip" aria-pressed="false" data-t="NEEDS_REVIEW">Needs review 6</button>
  <button class="chip" aria-pressed="false" data-t="INFO">Info 1</button>
</div>
<div class="reg" id="reg"></div>

<h2>Deliberately not flagged — false-positive protection</h2>
<div class="calib">
  <ul>
    <li><b>Weekend postings:</b> 28.5% of ALL GL entries are weekend-entered — routine here.
      Time flags require the pattern to be rare (&lt;5% baseline), computed from the dossier itself.</li>
    <li><b>Near-limit payment pairs months apart</b> (Ost Kunststoff, Nova Recycling …): normal
      business — excluded by the 7-day clustering rule. These were the seeded innocent traps.</li>
    <li><b>Tie-outs verified clean:</b> AR €13,412,543.05 and AP −€13,208,855 reconcile exactly to
      control accounts 230000/330000 and the provided Abstimmung.</li>
    <li><b>Credit-limit report:</b> every AUSNUTZUNG value matches the computed year-end balance.</li>
    <li><b>Journal approval log:</b> full coverage, no self-approvals, all “Freigegeben” — the
      control operated.</li>
  </ul>
</div>

<footer>
  Rules decide; the LLM only explains. Thresholds read from the dossier's own JET workpaper
  (materiality €400k · de-minimis €25k · approval limit €10k). Same pipeline runs unchanged on the
  final dossier: <code>python3 ingest.py &lt;path&gt; &amp;&amp; python3 checks.py &lt;path&gt;</code>
</footer>
</div>

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{id:"F001",t:"FLAGGED",s:"CRITICAL",c:.95,a:"€295,120",ti:"Self-approved vendor master change by MV-U05: Ratio Consulting GmbH (209101)",
 x:"MV-U05 changed AND approved master data for 209101 (Neuanlage Kreditor incl. bank details) on 12.05.2025 — four-eyes violation. MV-U05 holds Buchen + Zahlungslauf + Stammdaten anlegen and no approval right. Cash-out: 5 invoices totalling €295,120, all paid avg 2.0 days after invoice, 0 goods receipts.",
 p:["Stammdatenaenderungen_2025.csv:row8","Berechtigungsauswertung_2025.xlsx#Berechtigungen","Lieferantenbuchungen.txt:rows2553–2562"]},
{id:"F002",t:"FLAGGED",s:"CRITICAL",c:.9,a:"€192,000",ti:"Unrecorded liabilities: 8 next-period vendor invoices for 2025 services, no 2025 accrual",
 x:"Jan-2026 invoices carry LEISTUNGSDATUM 19.–27.12.2025 ('Frachten Dez 2025' …). None of the 8 vendors has any 2025 AP booking → no accrual recognized. Expenses understated, profit overstated ~€192,000 (K4).",
 p:["Fakturajournal_Januar_2026_Kreditoren.csv:rows2–9"]},
{id:"F003",t:"FLAGGED",s:"HIGH",c:.85,a:"€41,000",ti:"Repair capitalized as asset: Generalüberholung Stanzautomat (040000-000194)",
 x:"Asset addition 26.11.2025, doc ER901424 — repair-typical description; period expense, not capitalizable (K3).",
 p:["AV/Anlagen.txt:row194","AV/Anlagenbuchungen.txt:row52","Lieferantenbuchungen.txt:row2566"]},
{id:"F004",t:"FLAGGED",s:"HIGH",c:.85,a:"€39,040",ti:"4 same-day payments to Castor Papier GmbH, each just under the €10,000 approval limit",
 x:"14.10.2025: €9,780 / €9,820 / €9,750 / €9,690, text 'Teilzahlung Lieferantenrechnung', doc SAMMEL-200007 — one obligation split below the second-approval threshold (K5).",
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{id:"F005",t:"FLAGGED",s:"HIGH",c:.85,a:"€34,000",ti:"Repair capitalized as asset: Austausch Hydraulikaggregat Presse 3 (040000-000192)",
 x:"Asset addition 04.03.2025, doc ER901422 — repair-typical description (K3).",
 p:["AV/Anlagen.txt:row192","AV/Anlagenbuchungen.txt:row50","Lieferantenbuchungen.txt:row2564"]},
{id:"F006",t:"FLAGGED",s:"HIGH",c:.85,a:"€28,000",ti:"Repair capitalized as asset: Reparatur Konfektioniermaschine Linie 2 (040000-000191)",
 x:"Asset addition 20.11.2025, doc ER901421 — repair-typical description (K3).",
 p:["AV/Anlagen.txt:row191","AV/Anlagenbuchungen.txt:row49","Lieferantenbuchungen.txt:row2563"]},
{id:"F007",t:"FLAGGED",s:"HIGH",c:.85,a:"€19,500",ti:"Repair capitalized as asset: Austausch Antriebssteuerung Palettierer (040000-000196)",
 x:"Asset addition 20.11.2025, doc ER901426 — repair-typical description (K3).",
 p:["AV/Anlagen.txt:row196","AV/Anlagenbuchungen.txt:row54","Lieferantenbuchungen.txt:row2568"]},
{id:"F008",t:"FLAGGED",s:"HIGH",c:.85,a:"€15,500",ti:"Repair capitalized as asset: Instandsetzung Förderband Halle II (060000-000193)",
 x:"Asset addition 13.03.2025, doc ER901423 — repair-typical description (K3).",
 p:["AV/Anlagen.txt:row193","AV/Anlagenbuchungen.txt:row51","Lieferantenbuchungen.txt:row2565"]},
{id:"F009",t:"FLAGGED",s:"HIGH",c:.85,a:"€12,800",ti:"Repair capitalized as asset: Reparatur Kälteanlage Lager (060000-000195)",
 x:"Asset addition 23.05.2025, doc ER901425 — repair-typical description (K3).",
 p:["AV/Anlagen.txt:row195","AV/Anlagenbuchungen.txt:row53","Lieferantenbuchungen.txt:row2567"]},
{id:"F010",t:"FLAGGED",s:"HIGH",c:.9,a:"",ti:"8 new vendors have no creation entry in the master-data change log",
 x:"209130–209137, all city 'Musterort', no opening balance, no 2025 activity, no 'Neuanlage Kreditor' record — the documented, approval-required creation control was bypassed. Corroborates F002.",
 p:["Lieferanten.txt:rows132–139","Stammdatenaenderungen_2025.csv"]},
{id:"F011",t:"FLAGGED",s:"HIGH",c:.9,a:"",ti:"Prior-year trial balance empty while IT attestation claims completeness",
 x:"Saldenliste_2024_Vorjahr.xlsx has headers only — the AB-2024 opening layer (€36.8M movement) cannot be verified — yet the IT attestation asserts export completeness. Contradiction between provided evidence documents.",
 p:["Saldenliste_2024_Vorjahr.xlsx","IT-Bestaetigung_Vollstaendigkeit_2025.pdf"]},
{id:"F012",t:"NEEDS_REVIEW",s:"MEDIUM",c:.6,a:"€480,000",ti:"Large single asset addition: Produktionslinie Verpackung X500 (doc ER901435)",
 x:"17.06.2025, vendor 200003, €571,200 gross, no goods receipt on file, >50% of materiality. Verify existence and Investitionsantrag IA-2025-04. Plausibly legitimate capex.",
 p:["AV/Anlagen.txt:row197","AV/Anlagenbuchungen.txt:row55","Lieferantenbuchungen.txt:row2573"]},
{id:"F013",t:"NEEDS_REVIEW",s:"MEDIUM",c:.65,a:"€328,403",ti:"Bank details changed for Delta Logistik SE (200075); 4 payments afterwards",
 x:"Change 14.09.2025, approved by MV-U02. Classic payment-redirection vector — verify the new IBAN against an independent vendor confirmation.",
 p:["Stammdatenaenderungen_2025.csv:row14","Lieferantenbuchungen.txt:rows2076–2468"]},
{id:"F014",t:"NEEDS_REVIEW",s:"MEDIUM",c:.7,a:"",ti:"8 missing document numbers in ER range — exactly the Jan-2026 invoices",
 x:"ER901427–ER901434 are absent from the 2025 range and reappear in the next-period journal: numbers issued but kept out of FY2025. Independent third-source confirmation of the cut-off scheme (F002).",
 p:["Fakturajournal_2025.csv","Lieferantenbuchungen.txt"]},
{id:"F015",t:"NEEDS_REVIEW",s:"MEDIUM",c:.65,a:"€22,015",ti:"Invoice AR502040 booked in subledger/GL but absent from Fakturajournal and goods list",
 x:"Customer 100100 (KRONOS TRANSPORT SE), booked by MV-U08, reversed 2 days later by credit note SG502041 — likely a corrected mis-booking (decoy). Review the reversal chain; not flagged as fraud.",
 p:["Kundenbuchungen.txt:row3748","Sachkontobuchungen.txt:rows20253–55"]},
{id:"F016",t:"NEEDS_REVIEW",s:"MEDIUM",c:.6,a:"",ti:"300 vendor invoices with material-like text but no goods receipt",
 x:"Of 589 AP bookings without goods receipt most are services; these 300 have material-like texts (Bezugsnebenkosten, Fuhrpark, Konzernumlage …) — population-level completeness check (K2), one aggregate item.",
 p:["Lieferantenbuchungen.txt (300 rows, samples in findings.json)"]},
{id:"F017",t:"NEEDS_REVIEW",s:"MEDIUM",c:.6,a:"",ti:"Near-duplicate vendors in Hannover: Nord Logistik GmbH / Nordlicht Logistik GmbH",
 x:"209110 vs 209111, both active with generic 'Eingangsrechnung Logistik' texts. Verify distinct legal entities (VAT DE459514202 vs DE743864625).",
 p:["Lieferanten.txt:rows140–141"]},
{id:"F018",t:"INFO",s:"INFO",c:1,a:"",ti:"Posting-time profile: 29% of entries on weekends, 0% at night",
 x:"Baseline computed from the full GL. Time-based flags require the pattern in <5% of postings — routine behaviour of this company is not misreported as anomalous.",
 p:["Sachkontobuchungen.txt","Pruefungsplanung_JET_2025.docx"]}
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