Data Breaches Intelligence
Confirmed and emerging data breach reports: compromised databases, exposed records, underground marketplace listings, and what the stolen data means for your organization.
Data Breaches — Archive & Latest
Park Dental & Wabi Sabi Breaches: Defending Healthcare HR Data from Exfiltration
Employee data breaches at Park Dental Research and Wabi Sabi Behavioral Health highlight the critical need for HR-focused threat hunting and DLP.
Calibrated Healthcare Settlement: Mitigating PHI Breach Risks and Liability
The Calibrated Healthcare settlement underscores the severe costs of PHI exposure. Defenders must implement rigorous audit controls and DLP to mitigate liability.
Medtronic Breach: ShinyHunters Extortion Attack — Healthcare Data Detection and Response
3.8M patient records exposed in Medtronic breach. Learn to detect and block ShinyHunters extortion attacks.
Defending Against Unauthorized PHI Retention: Lessons from Recent Healthcare Breaches
Recent breaches at Delaware and Florida women’s health centers highlight the critical risks of unauthorized PHI retention. Defenders must prioritize data governance.
Medtronic Data Breach: ShinyHunters Impact Analysis and Healthcare Defense Strategies
Medtronic confirms customer data exposure by ShinyHunters. Defense strategies for PII protection and breach response.
Healthcare Data Breach Response: South Florida Injury Centers & Chickasaw Nation Analysis
Recent breaches at South Florida Injury Centers and Chickasaw Nation highlight critical PHI risks. Defend against active healthcare threats now.
Colorado Health Network & KMHA Breaches: Defending Against ePHI Exfiltration
Recent breaches at Colorado Health Network and Kentucky Mountain Health Alliance expose critical gaps in ePHI access controls.
Okanogan Behavioral Healthcare Settlement: Defending Against PHI Exfiltration and Email Compromise
Okanogan settlement highlights breach risks. Defend patient data against unauthorized access and exfiltration.
Bradford Health Services Settlement: Mitigating PHI Exfiltration Risks in Healthcare
Bradford Health settles lawsuit over a 2023 breach. Analyze the exfiltration mechanics and harden defenses against PHI theft.
Healthcare Data Breaches: Defending Against PHI Exfiltration at LifePoint, Southwest Behavioral & Nottingham Village
Recent breaches at LifePoint Health and partners underscore the critical need to detect credential theft and data exfiltration in healthcare environments.
Florida Retina Center Data Breach: Defending Against Unauthorized Access to PHI
Unauthorized access at Florida Retina Center compromises 13,600+ patient records. Critical defenses for healthcare data protection.
Supply Chain Compromise: Analyzing the TPWD Third-Party Vendor Breach
A third-party vendor compromise at TPWD exposed 3M records. Learn how to detect supply chain data risks and harden vendor integrations.
Blue Fish Pediatrics Breach: Mitigating Healthcare PHI Data Exfiltration
July 2025 breach impacting 41k+ Texas patients. Defend against PHI exfiltration and reinforce HIPAA controls in pediatric practice environments.
Texas TPWD Vendor Breach: Defense Against Third-Party Data Exfiltration
Over 3 million Texas driver's licenses exposed via a vendor compromise. Immediate steps for detection and third-party risk containment.
Defending Cardiac Data: iRhythm Holdings Cyberattack and PHI Protection
iRhythm Holdings reports a cyberattack impacting patient data. Defenders must prioritize PHI protection and database access controls.
EdTech Crisis: Countering ShinyHunters & FulcrumSec Data Exfiltration
EdTech platforms are prime targets for ShinyHunters and FulcrumSec. Defend against the surge in data breaches with these detection strategies.
FMC Services Data Breach Settlement: Mitigating Healthcare Cyber Risk and PHI Exposure
A $2.15M settlement following the FMC Services cyberattack highlights the critical cost of inadequate PHI controls. Defenders must act to secure EHR systems.
Novo Nordisk Breach: Defending Against PII Exfiltration in Pharma IT
Novo Nordisk confirms attackers accessed personal data. Defenders must act to detect and block data exfiltration.
iRhythm Data Breach: Defending Third-Party Healthcare Applications Against Data Theft
iRhythm discloses breach of patient data via third-party apps. Defenders must audit supply chain access and monitor for exfiltration immediately.
Kyushu Electric Data Loss: Physical Security Incident and Media Hardening Guide
10.9 million customers impacted by a lost drive. Defend against physical data exfiltration with these controls.
GrayRobinson Data Breach: Detecting and Containing Large-Scale PII Exfiltration
65k+ individuals affected by the GrayRobinson breach. Defenders must immediately hunt for mass data staging and egress indicators.
Healthcare Data Breaches: Gastro Health & Spokane Digestive Disease — Detection and Containment Strategies
Recent breaches at Gastro Health and Spokane Digestive Disease expose critical PHI. Here is how to detect and mitigate active data theft in healthcare environments.
DentaQuest Breach: Defending Against Mass PII Exfiltration in Healthcare
2.6 million accounts exposed in DentaQuest breach. Defenders must validate access controls and hunt for data exfiltration artifacts.
WFP SRA Breach: Defending Humanitarian Portals Against Data Exfiltration
600k+ Gaza households exposed in UN WFP breach. Defenders must act to detect data exfiltration and harden registration portals.
2026 Healthcare Data Breach Statistics: Strategic Defense and Remediation
Updated 2026 breach statistics confirm healthcare remains the top target. Defenders must prioritize identity security and segmentation.
La Perouse Data Breach: Third-Party PHI Exposure and Incident Response
La Perouse breach impacts 7 medical groups. Critical defense strategies for detecting and mitigating third-party data leaks.
ShinyHunters Data Leak: Charter Communications Incident Response and Detection Strategies
5M+ Charter customers impacted after ShinyHunters leak data. Immediate defensive steps required to mitigate exposure and fraud.
Charter Communications Breach: ShinyHunters Data Leak and Database Exfiltration Defense
42M records leaked by ShinyHunters. Defenders must audit web server permissions and monitor for database dumping.
Multi-Vector Threat Analysis: Trump Mobile Data Breach, FIFA World Cup Phishing, and CISA Supply Chain Response - Detection and Remediation Guide
Defenders must address three emerging threats: Trump Mobile customer data exposure, FIFA World Cup phishing campaigns, and evolving supply chain attacks per CISA warnings.
Data Broker Sentencing: 7M Elderly Americans' Data Exfiltration — Detection and Prevention Guide
7 million elderly Americans' personal data sold to scammers; learn detection strategies and hardening steps to prevent similar insider threats.
Charter Communications Breach: ShinyHunters, 4.9M Records, and Defending Against Credential Stuffing
ShinyHunters exposed 4.9M Charter accounts. Learn the TTPs, detection logic for API abuse, and hardening steps to prevent similar breaches.
Connecticut Medicaid Portal Breach: HUSKY Health Compromise and Defense Guide
22,500 Hartford HealthCare patients had PHI exposed via the Connecticut Medicaid portal. Detect and mitigate third-party web risks.
ShinyHunters Breach: 7-Eleven Data Exfiltration Detection and Hardening
185,000+ records exposed in 7-Eleven breach by ShinyHunters. Actionable detection rules and response steps for PII exfiltration.
Mission Community Hospital $1.55M Settlement: Breach Analysis and Healthcare Defense
Mission Community Hospital paid $1.55M to settle a data breach lawsuit. Analyze the compliance failures and harden your healthcare defenses.
Oncology Institute Data Breach: Defending Against Third-Party Supply Chain Compromises
Healthcare providers face immediate risks following the Oncology Institute breach. Defend your PHI against third-party vendor exposures like TriZetto.
Radiology Associates of Richmond Breach: Detecting and Containing PHI Exfiltration
266,000 individuals impacted by the theft of PHI at Radiology Associates of Richmond. Essential defensive strategies for healthcare data protection.
DocketWise Data Breach: 143,000 Records Exposed via Third-Party Access — Detection and Response
DocketWise breach exposes PII and PHI for 143,000 via partner repository access. Immediate IR guidance and detection strategies included.
Anatomy of a Data Breach: Strategic Defense and Incident Response Insights
Data breaches are inevitable. Learn critical incident response strategies, detection methodologies, and remediation tactics discussed in the Dark Reading virtual event.
Radiology Associates of Richmond Breach: 266K Records Exposed – Detection and Hardening
266K patients affected by RAR breach. Defenders must audit EHR access and block data exfiltration immediately.
Supply Chain Incident: Lumexa & FMRS Breaches — Third-Party Access Hardening & Detection
Vendor compromise impacted Lumexa Imaging and FMRS. Defenders must audit third-party access and detect mass data exfiltration.
NYC Health + Hospitals Supply Chain Breach: Third-Party Compromise and Data Exfiltration Detection
1.8M patients impacted by a third-party breach at NYC Health + Hospitals. Defend against vendor-based lateral movement and sensitive data theft.
Grafana Breach: Coinbase Cartel Attack — Detection, Investigation, and Hardening Guide
Grafana confirms breach after attackers claim data theft. Essential detection steps and mitigation guidance for defenders investigating exposure.
American Lending Center Breach: Detecting and Containing Encryption-Based Ransomware
123k individuals impacted by ALC encryption breach. Defenders must hunt for ransomware precursors and long-term persistence mechanisms.
OpenLoop Health Data Breach: 716k Records Exposed – Telehealth Defense & Hardening
716,000 individuals impacted by the OpenLoop Health data breach. Defenders must audit telehealth vendors and detect PHI exfiltration immediately.
March 2026 Healthcare Breach Analysis: 44 Major Incidents and Critical Defense Gaps
HHS reports 44 major healthcare breaches in March 2026. Defenders must audit PHI access controls and network segmentation to mitigate risks.
NVIDIA GeForce NOW Data Breach: Response Guidelines and Credential Stuffing Defense
NVIDIA confirmed a GeForce NOW data breach exposing Armenian user data. Defend against credential stuffing and audit endpoint exposure.
Healthcare Data Breaches: Defending Against PHI Exfiltration — Analysis of Recent Incidents
Recent breaches at Hematology Oncology Consultants, Southcoast Health, and Cunningham Prosthetic Care underscore the critical need for robust egress controls and PHI monitoring.
RXNT EHR Breach: Detecting Unauthorized Legacy Database Access
RXNT breach exposes millions of patient records. Detect anomalous EHR data access and credential stuffing targeting RXNT portals.
Instructure Data Breach: Edtech Security Detection and Response Guide
Educational institutions face PII exposure after Instructure breach. Defenders must act to detect data exfiltration and secure student records.
Instructure Data Breach: Detecting ShinyHunters Exfiltration & LMS Defense
ShinyHunters claims the Instructure breach. Detect data exfiltration and harden your Canvas LMS environment against extortion.
Showing 50 of 94 reports. Archive expands automatically as new intel is generated.
Every Data BreachesReport Includes SIGMA & KQL Detection Rules
Every intelligence briefing on this page includes at least one Sigma rule, a Microsoft Sentinel KQL hunt query, and an IOC check script — ready to drop into your SIEM. No paywall. No registration.