Cybercrime
in Czech Republic

Czech Republic's cybercrime laws are aligned with the EU and Budapest Convention standards. This guide covers the main offenses and what they mean in practice.

Cybercrime investigations are highly technical. Digital forensics can be contested — never assume that seized devices or logs are infallible. Engage a lawyer with cybercrime experience immediately.

Unauthorized Access to Computer Systems (Neoprávněný přístup)

§ 230 Criminal Code

5 years (aggravated)

Gaining access to a computer system or network without authorization or beyond authorized access — including using another person's credentials, bypassing security, or exploiting vulnerabilities.

Defense angle

  • Challenge authorization scope
  • argue security research or ethical hacking context
  • contest technical evidence.

Damage to Computer Systems (Poškození záznamu v počítači)

§ 230 Criminal Code

8 years (significant damage)

Intentionally disrupting, damaging, deleting, or altering data or programs in a computer system. Includes DDoS attacks, ransomware deployment, and data destruction.

Defense angle

  • Challenge intent
  • contest damage quantification
  • argue absence of control over third-party actions.

Online Fraud (Počítačový podvod)

§ 209 / § 230 Criminal Code

10 years (aggravated)

Using computer manipulation to enrich oneself at the expense of another — including phishing, fake online shops, investment fraud, and payment system manipulation.

Defense angle

  • Challenge identity attribution
  • contest intent
  • argue civil dispute vs. criminal fraud.

Identity Theft (Neoprávněné nakládání s osobními údaji)

§ 180 Criminal Code

5 years

Unlawfully obtaining, using, or publishing another person's personal data — including credentials, payment data, or identity documents — typically in the context of fraud or harassment.

Defense angle

  • Challenge awareness of unlawfulness
  • argue legitimate purpose
  • contest source of data.

CSAM (Dětská pornografie)

§ 192 Criminal Code

12 years (production)

Production, distribution, possession, or viewing of child sexual abuse material. Czech law takes an extremely strict approach — mere possession of a single image is sufficient for prosecution. This is one of the most seriously treated cybercrime offenses.

Defense angle

  • Challenge knowing possession
  • contest forensic evidence
  • examine chain of custody
  • address malware/trojan defense.

Cyberbullying & Stalking (Nebezpečné pronásledování)

§ 354 Criminal Code

3 years

Persistent online harassment, stalking, or threatening behavior — including social media harassment, doxxing, and unwanted contact campaigns. Czech law criminalizes the behavior when it causes the victim to reasonably fear for their safety.

Defense angle

  • Challenge persistence/pattern requirement
  • argue legitimate communication
  • contest victim fear assessment.

Charged With This Offense?

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    Cybercrime Defense in Czech Republic | PEERS Law Firm