AC

e-Detection (HMK article 400): Storing Internet Content with Court Approval

TL;DR

HMK m.400 ile sulh hukuk mahkemesinden bilirkişi atanması yoluyla web içeriği zaman damgalı kayıt; noter onayı alternatif.

15 Şubat 2026 Ceza Hukuku 2 dk okuma 8 görüntülenme Son güncelleme: 9 Mayıs 2026

Internet content can be deleted within hours; With e-determination (HMK Article 400), the civil court of peace appoints an expert and fixes the content with a time stamp.

HMK art.400 — detection procedure

  • Petition to the civil court of peace + fee.
  • The court appoints an expert (forensic computer expert).
  • The expert identifies the specified URL/page/post.
  • Report with hash + timestamp.
  • The report is added to the court report.
  • It is used as evidence in the main case (divorce, criminal, commercial).
  • For what content?

    • Social media post / story / DM (public).
    • Forum / blog comment.
    • E-commerce product page.
    • Company website.
    • Whatsapp message (on your own screen).
    • E-mail (sender/recipient information).

    Notarization (alternative)

    • Faster (1-3 days).
    • The cost is low (1,000-3,000 TL).
    • Accepted by the court; It is not as strong as an expert report.
    • The notary keeps the content on his screen with a record.

    Frequently asked questions

    Social media post is about to be deleted; What should I do urgently?

    Immediate screenshot + timestamp service (TÜBİTAK e-Correspondence) + notary (24-48 hours). Then court-approved fixing with HMK m.400 e-determination.

    How long does e-Detection take?

    The decision of the civil court of peace is 1-7 days; expert determination 7-21 days; report 14-30 days. In case of emergency, the judge may decide on the same day.

    Is there a difference between notary approval and e-detection?

    The court accepted both; However, the judge trusts the expert report more (hash chain, methodology). E-determination is recommended in important cases (divorce + compensation).

    Is Wayback Machine enough?

    Supplementary evidence; alone is not enough. Wayback does not hash; Additional determination (e-determination / notary) is required for the claim that "the site was like this on this date".

    Does the other party claim "fake"?

    Frequently. The expert report records hash + URL + browser + IP + DNS information; In the case of manipulation allegation, the opposing expert (DTC report) is rejected.

    Relevant legislation

    • HMK art.199-205 — Presentation of documents and evidence.
    • HMK art.400-405 — Determination; with witness / expert.
    • CMK art.134 — Computer search, copying; hash chain.
    • TCK art.243-245 — Computer crimes, digital evidence chain.
    • e-Signature Law (5070) — Electronic signature and time stamp.
    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

    e-Tespit (HMK m.400): İnternet İçeriğini Mahkeme Onaylı Saklamak 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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