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DPDP Rules 2025 Ransomware Reporting: Analysis & Hunting

Ransomware that locks personal data may be a reportable DPDP breach with no size floor: 9 detection rules, 6 IOCs and a free Splunk SPL rule.

Read the full threat intel for DPDP Rules 2025 Ransomware Reporting: Analysis & Hunting →

Chapters

  1. 0:00The hookInaccessible data may be a reportable breach.
  2. 0:04The storyK7 says no minimum size.
  3. 0:12Attack pathRansomware can make personal data inaccessible, according to K7.
  4. 0:26AttributionNo threat actor is attributed.
  5. 0:31Indicators of compromiseNo malicious indicators were published.
  6. 0:37MITRE ATT&CK techniques4 ATT&CK techniques, from initial access to impact.
  7. 0:42Remediation2 steps now: Add a regulatory-notification decision step to ransomware incident response.
  8. 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript

0:00Inaccessible data may be a reportable breach.

0:05K7 says no minimum size.

0:07Major obligations take effect May 2027.

0:12Ransomware can make personal data inaccessible, according to K7.

0:17Even with no theft, it may still be reportable.

0:20Individuals and the Board must be told without delay.

0:27No threat actor is attributed. Confidence: low.

0:32No malicious indicators were published.

0:384 ATT&CK techniques, from initial access to impact.

0:432 steps now: Add a regulatory-notification decision step to ransomware incident response.

0:519 detection rules, in SPL, KQL and Sigma.

0:56Threadlinqs. The unified security engineering platform.