AC

Phishing and Banking Fraud: 24-Hour Early Response

TL;DR

Oltalama dolandırıcılığında ilk 24 saat hayati; banka iade + savcılık + MASAK + adli bilişim paralel ilerlemeli.

15 Şubat 2026 Ceza Hukuku 3 dk okuma 8 görüntülenme Son güncelleme: 9 Mayıs 2026

The first 24 hours are vital in phishing collection. Bank chargeback + MASAK + coordinated intervention proceeding in parallel with the prosecutor's office.

First 0-2 hours — shock management

  • Call the bank; Have all accounts temporarily blocked.
  • Report suspicious transaction (bank customer service).
  • Change passwords (every banking + email).
  • SIM card control from the phone; Has there been a SIM swap attack?
  • Disconnect the device from the internet connection (preventing further attack).
  • 2-12 hours — legal process

  • Apply to the police (155 + police station).
  • Complaint from the Office of the Public Prosecutor (TCK 158/1-f + 244 + 245).
  • Bank chargeback request (if card used).
  • Archive all screenshots, emails, phone logs.
  • Note the contact numbers / contacts + IBAN information.
  • 12-24 hours — support mechanism

  • Detailed record with lawyer + prosecution file follow-up.
  • MASAK notification (bank will make it within 24 hours).
  • USOM / TR-CERT notification (national cyber center).
  • Device analysis with computer forensics.
  • Consumer arbitration application (bank negligence claim).
  • Bank refund channels

    • Chargeback (card): 30-60 days; The success rate is high.
    • EFT/Money Transfer refund: Receiving bank approval is required; Action within 24-72 hours is critical.
    • Consumer referee: Below 25,500 TL; If the bank does not decide, arbitration is available.
    • Bank complaint: + lawsuit through BRSA / CBRT.

    Frequently asked questions

    The bank says it will not refund; what do i do?

    Consumer referee → Coverage below 25,500 TL; consumer court for above. Allegation that "the bank's security measures were inadequate" — the burden of proof shifts to the bank. If the transaction is made without SMS password + 2FA, there is a high chance of winning.

    I am a SIM swap victim; How do I collect?

    Liability to GSM operator: KVKK + consumer + communication right violation. If operator KYC deficiency is proven, the bank + operator are jointly liable. Total compensation ranges from 50K-300K TL.

    Money sent to a foreign bank; Will it come back?

    The first 24 hours are critical; "Recall" is possible on the SWIFT channel. Foreign bank request with MLAT after 24 hours (3-12 months). If on-chain (crypto) on-chain forensics + exchange notification.

    Police said "It's outside Türkiye, we can't do it"; what do i do?

    Open a file at the Office of the Public Prosecutor; The prosecutor's office initiates Europol + Interpol cooperation. In addition, the use of special forensics + Chainalysis increases practical collection.

    I neglected to give the password myself; Will I receive compensation?

    If there is individual negligence, compensation is reduced (TBK article 51 - contributory fault). However, partial compensation if there is security negligence at the bank (e.g. no social engineering detection of AnyDesk/TeamViewer permission). Consumer peer review.

    Relevant legislation

    • TCK art.243-245 — Basic articles of cyber crimes.
    • TCK art.158/1-f — Qualified fraud (information tool).
    • CMK article 134 — Search for digital evidence.
    • 5651 SK — Access blocking and content removal.
    • Budapest Cybercrime Convention — Türkiye is a party; international cooperation.
    Legal notice: This article is for general information purposes; A meeting with a lawyer is required for a concrete case. Durations, rates and application are shaped by jurisprudence; Check the current legislation before applying.

    Kaynaklar ve referanslar

    Kaynaklar

    Oltalama (Phishing) ve Bankacılık Sahteciliği: 24 Saat Erken Müdahale içeriği hazırlanırken resmi mevzuat ve yüksek yargı kaynakları esas alınmıştır.

    Telif bildirimi This content and all related Q&A texts are protected under Turkish Copyright Law No. 5846. Unauthorized copying, reproduction, publication, adaptation, bulk extraction, or commercial use is prohibited; legal and criminal remedies are reserved in case of infringement.

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