Cybercrime Investigation

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Cybercrime Investigation - Digital Detectives Intro

  • Cybercrime: Illegal activities where computers or networks are a tool, a target, or a source of evidence.
  • Relevance in Medicine:
    • Unauthorized access to Electronic Health Records (EHR).
    • Telemedicine fraud, online pharmaceutical scams.
    • Ransomware attacks on hospitals, disrupting patient care.
    • Cyberstalking or harassment of medical professionals or patients.
  • Digital Forensics: The science of identifying, collecting, preserving, analyzing, and presenting digital evidence in a legally admissible manner. This rapidly evolving field emphasizes continuous development of new techniques, tools, and standards (e.g., ISO/IEC 21043 for forensic evaluation).
    • Crucial for medico-legal investigations involving computers, mobiles, and storage devices.
  • Digital Detective: Investigator specializing in retrieving and analyzing data from digital devices while maintaining the chain of custody. The role encompasses deeper understanding of various operating systems, network protocols, cloud environments, and emerging technologies like AI and blockchain.

⭐ The Information Technology Act, 2000 has undergone several amendments since its enactment. While Section 66 still addresses computer-related offenses, it's crucial to refer to the most current version of the Act, including all amendments, for accurate legal interpretation and application.

Cybercrime Investigation - Law Bytes India

  • Governing Laws:
    • Information Technology (IT) Act, 2000 (Amended 2008): Primary legislation for cybercrimes & e-commerce.
      • Defines cybercrimes, e-governance, digital signatures.
    • Bharatiya Sakshya Adhiniyam (BSA), 2023: Section 63 crucial for admissibility of electronic records.
    • Bharatiya Nyaya Sanhita (BNS), 2023: Applied for traditional crimes committed via cyber means.
  • Key Concepts:
    • Electronic Evidence: Admissibility requires certificate under Sec 63 BSA.
    • CERT-In (Indian Computer Emergency Response Team): National nodal agency for cyber security incidents.
    • Intermediary Liability: IT Act defines rules for platforms (e.g., ISPs, social media).
  • Investigation Stages Overview:
    • Identification → Preservation → Collection → Analysis → Presentation of digital evidence.

⭐ Section 63 of the Bharatiya Sakshya Adhiniyam, 2023, mandates a certificate for the admissibility of electronic records as evidence in court, ensuring their authenticity and integrity. This is a frequently tested area regarding digital evidence in Indian courts.

Cybercrime Investigation - Pixels & Proof

  • Digital Evidence: Any probative information stored or transmitted in digital form.
    • Sources: Computers (HDDs, SSDs), mobile devices, servers, network logs, cloud storage, IoT devices.
  • Chain of Custody (CoC): Unbroken, documented record of evidence handling (collection, transfer, storage, analysis) to ensure authenticity and integrity. Vital for court admissibility.
  • Core Forensic Principles:
    • Minimize data alteration.
    • Create forensic images (bit-stream copies).
    • Document all actions meticulously.
    • Adhere to legal frameworks (e.g., Sec 63 BSA).
  • Tools: Software (Magnet AXIOM, X-Ways Forensics, Autopsy, EnCase, FTK) & Hardware (write-blockers).
  • Challenges: Data volatility (RAM), encryption, steganography, anti-forensic techniques, vast data volumes.

SHA-256 hashing is the current standard for verifying digital evidence integrity at every step of the CoC, preferred over MD5 due to enhanced cryptographic security.

Cybercrime Investigation - Healing Hacked

  • Scope: Crimes via computers/networks targeting healthcare, patient data, medical professionals.
  • Common Scenarios:
    • EHR breaches (data theft).
    • Online pharmacy fraud (fake drugs).
    • Telemedicine privacy violations.
    • Hospital ransomware attacks.
  • Physician's Duty:
    • Secure digital scene; prevent data loss.
    • Preserve digital evidence; maintain chain of custody.
    • Report to CERT-In, Data Protection Board of India & authorities; inform patients.
    • Act as expert witness if needed.
    • Document Indicators of Compromise (IOCs) following digital forensics best practices.
  • Governing Laws:
    • IT Act, 2000 (with current amendments).
    • Digital Personal Data Protection Act, 2023.
    • BNS sections (data theft, cheating).

Section 72 IT Act: Penalty for breach of confidentiality/privacy by person with powers/duties under Act (up to 2 years jail / ₹1 lakh fine / both). DPDP Act 2023 mandates breach reporting to Data Protection Board.

  • Challenges: Anonymity, data volatility, jurisdictional issues.

High‑Yield Points - ⚡ Biggest Takeaways

  • The Information Technology Act, 2000 (IT Act) remains relevant, but the Digital Personal Data Protection Act, 2023 (DPDP Act) introduces new data protection compliance requirements.
  • Key offenses: Sec 43 (Damage to computer), Sec 66 (Hacking), Sec 67 (Obscene content) under IT Act.
  • CERT-In is the national agency for cyber security incidents.
  • Section 63, BSA deals with admissibility of electronic evidence.
  • Chain of custody is crucial for digital evidence integrity.
  • Hashing using cryptographically secure algorithms like SHA-256 verifies data authenticity; MD5 is cryptographically broken and not recommended.
  • Mandatory reporting of Child Sexual Abuse Material (CSAM) under POCSO Act.

Practice Questions: Cybercrime Investigation

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Flashcards: Cybercrime Investigation

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