Verified cyberincident context · Czech Republic / NUKIB 2024
Czech Republic NUKIB 2024 cybersecurity incident reporting context
Market context — not industry-specific evidence
Czech Republic NUKIB report context (2024 Report on the State of Cybersecurity in the Czech Republic, 2025) states that NUKIB recorded 268 cybersecurity incidents in 2024 compared with 262 in 2023. Of the 268 incidents: 1 was classified as very significant, 18 as significant, and 249 as minor. The availability category accounted for approximately 62% of recorded incidents, and availability attacks accounted for approximately 43%. NUKIB recorded 27 ransomware-related incidents, accounting for less than 11% of recorded incidents. NUKIB also recorded 9 incidents in the context of the global CrowdStrike technical outage. NUKIB-recorded incidents are not a complete national incident census and must not be presented as all cyber incidents in the Czech Republic, total Czech business incident prevalence, or industry-specific evidence.
NUKIB recorded cybersecurity incidents — Czech Republic 2024 vs 2023
- NUKIB recorded cybersecurity incidents in 2024
- 268
- Unit
- cybersecurity incidents recorded by NUKIB in 2024
- Period
- Czech Republic NUKIB 2024 recorded cybersecurity incident, severity, availability category, ransomware and CrowdStrike-context reporting.
- Scope
- Czech Republic NUKIB 2024 cybersecurity incident context
- NUKIB recorded cybersecurity incidents in 2023
- 262
- Unit
- cybersecurity incidents recorded by NUKIB in 2023
- Period
- Czech Republic NUKIB 2024 recorded cybersecurity incident, severity, availability category, ransomware and CrowdStrike-context reporting.
- Scope
- Czech Republic NUKIB 2024 cybersecurity incident context
Year-on-year comparison of NUKIB-recorded cybersecurity incidents. These are incidents recorded by NUKIB and are not a complete national incident census.
NUKIB 2024 and 2023 recorded cybersecurity incident context only. The 268 and 262 values are NUKIB-recorded incidents and must not be presented as total Czech business incident prevalence, all Czech cyberattack volume, or a national incident census. Not industry-specific evidence.
NUKIB recorded incident severity breakdown — Czech Republic 2024
- Very significant incidents recorded by NUKIB in 2024
- 1
- Unit
- very significant cybersecurity incidents recorded by NUKIB in 2024
- Period
- Czech Republic NUKIB 2024 recorded cybersecurity incident, severity, availability category, ransomware and CrowdStrike-context reporting.
- Scope
- Czech Republic NUKIB 2024 cybersecurity incident context
- Significant incidents recorded by NUKIB in 2024
- 18
- Unit
- significant cybersecurity incidents recorded by NUKIB in 2024
- Period
- Czech Republic NUKIB 2024 recorded cybersecurity incident, severity, availability category, ransomware and CrowdStrike-context reporting.
- Scope
- Czech Republic NUKIB 2024 cybersecurity incident context
- Minor incidents recorded by NUKIB in 2024
- 249
- Unit
- minor cybersecurity incidents recorded by NUKIB in 2024
- Period
- Czech Republic NUKIB 2024 recorded cybersecurity incident, severity, availability category, ransomware and CrowdStrike-context reporting.
- Scope
- Czech Republic NUKIB 2024 cybersecurity incident context
NUKIB 2024 recorded incident severity context only. The 1, 18, and 249 values are NUKIB severity classifications that sum to 268 NUKIB-recorded incidents and do not represent full national severity distribution. Not total Czech business incident prevalence and not industry-specific evidence.
NUKIB recorded incident availability category shares — Czech Republic 2024
- Availability category — 62% of NUKIB-recorded incidents in 2024
- 62%
- Unit
- percent of NUKIB-recorded incidents in 2024 in the availability category
- Period
- Czech Republic NUKIB 2024 recorded cybersecurity incident, severity, availability category, ransomware and CrowdStrike-context reporting.
- Scope
- Czech Republic NUKIB 2024 cybersecurity incident context
- Availability attacks — 43% of NUKIB-recorded incidents in 2024
- 43%
- Unit
- percent of NUKIB-recorded incidents in 2024 categorised as availability attacks
- Period
- Czech Republic NUKIB 2024 recorded cybersecurity incident, severity, availability category, ransomware and CrowdStrike-context reporting.
- Scope
- Czech Republic NUKIB 2024 cybersecurity incident context
NUKIB 2024 recorded incident availability category share context only. The 62% and 43% values are NUKIB-recorded incident category shares using different classification definitions; they must not be summed, compared as nested shares, or presented as all-Czech availability attack prevalence. Not industry-specific evidence.
NUKIB recorded ransomware and CrowdStrike-context incidents — Czech Republic 2024
- Ransomware-related incidents recorded by NUKIB in 2024
- 27
- Unit
- ransomware-related incidents recorded by NUKIB in 2024
- Period
- Czech Republic NUKIB 2024 recorded cybersecurity incident, severity, availability category, ransomware and CrowdStrike-context reporting.
- Scope
- Czech Republic NUKIB 2024 cybersecurity incident context
- Incidents recorded by NUKIB in the context of the CrowdStrike global technical outage in 2024
- 9
- Unit
- cybersecurity incidents recorded by NUKIB in 2024 in the context of the CrowdStrike global technical outage
- Period
- Czech Republic NUKIB 2024 recorded cybersecurity incident, severity, availability category, ransomware and CrowdStrike-context reporting.
- Scope
- Czech Republic NUKIB 2024 cybersecurity incident context
Ransomware-related incidents accounted for less than 11% of NUKIB-recorded incidents in 2024. The 9 CrowdStrike-context incidents are in the context of a global technical outage, not targeted cyberattacks.
NUKIB 2024 ransomware and CrowdStrike-context recorded incident context only. The 27 ransomware-related and 9 CrowdStrike-context values are counts of NUKIB-recorded incidents; they must not be presented as total Czech ransomware prevalence. The 9 CrowdStrike-context incidents are in the context of a global technical outage and must not be presented as targeted cyberattacks or Czech threat-actor activity. Not industry-specific evidence.
Source: NUKIB, 2024 Report on the State of Cybersecurity in the Czech Republic, 2025
Scope: National Cyber and Information Security Agency / NUKIB annual report context published 2025. NUKIB-recorded incidents are not a national incident census. The 268 and 262 values are NUKIB-recorded counts and must not be presented as total Czech cyberattack volume. The 1, 18, and 249 severity values sum to 268 NUKIB-recorded incidents and do not represent full national severity distribution. The 62% and 43% availability shares apply to NUKIB-recorded incidents using different classification definitions and must not be summed or compared as nested shares. The 27 ransomware incidents and the less-than-11-percent share apply to NUKIB-recorded incidents only. The 9 CrowdStrike-context incidents are in the context of a global technical outage and must not be presented as targeted cyberattacks or Czech threat-actor activity. These figures do not measure total Czech business incident prevalence, hidden incident prevalence, population-wide victimisation rates, all-sector incident totals, industry-specific evidence, compliance achievement, certification, or security outcomes.
Methodology: Official National Cyber and Information Security Agency / NUKIB annual report context published 2025. The admitted indicators describe NUKIB-recorded cybersecurity incidents in 2024 by total count, year-on-year comparison, severity category, availability classification, ransomware type, and CrowdStrike-outage context. NUKIB-recorded incidents are not a complete national incident census. The 268 value must not be presented as all cyber incidents in the Czech Republic. The 1, 18, and 249 severity values sum to 268 NUKIB-recorded incidents and do not represent full national severity distribution. The 62% and 43% values are NUKIB-recorded incident category shares using different classification definitions; they must not be summed or treated as nested shares. The 27 ransomware-related incidents and the less-than-11-percent share apply to NUKIB-recorded incidents only. The 9 CrowdStrike-context incidents are in the context of a global technical outage and must not be presented as targeted cyberattacks or Czech threat-actor activity. Do not present any admitted indicator as total Czech business incident prevalence, hidden incident prevalence, population-wide victimisation rate, all-sector incident rate, all-Czech cyberattack volume, industry-specific evidence, compliance achievement, certification, proof of security, or guaranteed protection.
Accessible data table
| Metric | Value | Source | Scope | Reporting period |
|---|---|---|---|---|
| NUKIB recorded cybersecurity incidents in 2024 | 268 cybersecurity incidents recorded by NUKIB in 2024 | NUKIB, 2024 Report on the State of Cybersecurity in the Czech Republic, 2025 | Czech Republic NUKIB 2024 cybersecurity incident context | Czech Republic NUKIB 2024 recorded cybersecurity incident, severity, availability category, ransomware and CrowdStrike-context reporting. |
| NUKIB recorded cybersecurity incidents in 2023 | 262 cybersecurity incidents recorded by NUKIB in 2023 | NUKIB, 2024 Report on the State of Cybersecurity in the Czech Republic, 2025 | Czech Republic NUKIB 2024 cybersecurity incident context | Czech Republic NUKIB 2024 recorded cybersecurity incident, severity, availability category, ransomware and CrowdStrike-context reporting. |
| Very significant incidents recorded by NUKIB in 2024 | 1 very significant cybersecurity incidents recorded by NUKIB in 2024 | NUKIB, 2024 Report on the State of Cybersecurity in the Czech Republic, 2025 | Czech Republic NUKIB 2024 cybersecurity incident context | Czech Republic NUKIB 2024 recorded cybersecurity incident, severity, availability category, ransomware and CrowdStrike-context reporting. |
| Significant incidents recorded by NUKIB in 2024 | 18 significant cybersecurity incidents recorded by NUKIB in 2024 | NUKIB, 2024 Report on the State of Cybersecurity in the Czech Republic, 2025 | Czech Republic NUKIB 2024 cybersecurity incident context | Czech Republic NUKIB 2024 recorded cybersecurity incident, severity, availability category, ransomware and CrowdStrike-context reporting. |
| Minor incidents recorded by NUKIB in 2024 | 249 minor cybersecurity incidents recorded by NUKIB in 2024 | NUKIB, 2024 Report on the State of Cybersecurity in the Czech Republic, 2025 | Czech Republic NUKIB 2024 cybersecurity incident context | Czech Republic NUKIB 2024 recorded cybersecurity incident, severity, availability category, ransomware and CrowdStrike-context reporting. |
| Availability category — 62% of NUKIB-recorded incidents in 2024 | 62% percent of NUKIB-recorded incidents in 2024 in the availability category | NUKIB, 2024 Report on the State of Cybersecurity in the Czech Republic, 2025 | Czech Republic NUKIB 2024 cybersecurity incident context | Czech Republic NUKIB 2024 recorded cybersecurity incident, severity, availability category, ransomware and CrowdStrike-context reporting. |
| Availability attacks — 43% of NUKIB-recorded incidents in 2024 | 43% percent of NUKIB-recorded incidents in 2024 categorised as availability attacks | NUKIB, 2024 Report on the State of Cybersecurity in the Czech Republic, 2025 | Czech Republic NUKIB 2024 cybersecurity incident context | Czech Republic NUKIB 2024 recorded cybersecurity incident, severity, availability category, ransomware and CrowdStrike-context reporting. |
| Ransomware-related incidents recorded by NUKIB in 2024 | 27 ransomware-related incidents recorded by NUKIB in 2024 | NUKIB, 2024 Report on the State of Cybersecurity in the Czech Republic, 2025 | Czech Republic NUKIB 2024 cybersecurity incident context | Czech Republic NUKIB 2024 recorded cybersecurity incident, severity, availability category, ransomware and CrowdStrike-context reporting. |
| Incidents recorded by NUKIB in the context of the CrowdStrike global technical outage in 2024 | 9 cybersecurity incidents recorded by NUKIB in 2024 in the context of the CrowdStrike global technical outage | NUKIB, 2024 Report on the State of Cybersecurity in the Czech Republic, 2025 | Czech Republic NUKIB 2024 cybersecurity incident context | Czech Republic NUKIB 2024 recorded cybersecurity incident, severity, availability category, ransomware and CrowdStrike-context reporting. |
| Czech Republic NUKIB report context states that ransomware attacks accounted for less than 11% of NUKIB-recorded incidents in 2024. The value field stores 11 as the stated upper bound. The unit string explicitly states "less than 11 percent" and must be preserved. This metric is admitted to records for completeness but must not be charted as a bar; it is referenced in supporting text only. Must not be presented as total Czech ransomware prevalence. | 11 less than 11 percent of NUKIB-recorded incidents in 2024 categorised as ransomware-related — source states less than 11 percent | NUKIB, 2024 Report on the State of Cybersecurity in the Czech Republic, 2025 | Czech Republic NUKIB 2024 cybersecurity incident context | Czech Republic NUKIB 2024 recorded cybersecurity incident, severity, availability category, ransomware and CrowdStrike-context reporting. |