Section

Cyber Attacks

30 articlesUpdated 1 Oct 2026

Cyber AttackHealthcare & PharmaBreaking

General Santos Doctors Hospital Hit by 2.4TB Rhysida Ransomware Extortion of Patient Clinical Records

Rhysida ransomware group exfiltrates 2.44 Terabytes of clinical patient files and medical records from General Santos Doctors Hospital in an 8-Bitcoin extortion scheme.

1 Oct 202611 min read

Daniel Okafor

Cyber AttackHealthcare & PharmaBreaking
MedImpact Pharmacy Benefit Manager Breach Exposes Prescription Histories Across Corporate Health Plans
Qilin ransomware syndicate exfiltrates MedImpact pharmacy benefit databases, exposing prescription records, provider details, and SSNs across employer health plans.
Mei-Lin Chen30 Sep 202610 min read
Cyber AttackBanking & Fintech
Upbound Group Cloud File Breach Triggers $13 Million Fraudulent Contract Losses Across Acima Platform
Upbound Group disclosures reveal cloud storage exfiltration led to $13 million in fraudulent lease-to-own contracts generated via the Acima platform.
Priya Raman30 Sep 202611 min read
Cyber AttackGov & DefenceBreaking
Defense Manpower Data Center Server Exposure Leaks 3 Million Military Records Across Nine-Month Breach
The U.S. Department of Defense confirms a nine-month breach of an unencrypted DMDC server, exposing 3.05 million active military, retiree, and dependent records.
CST Newsroom30 Sep 202612 min read
Cyber AttackBanking & Fintech
SEC Form 8-K Disclosures Reveal Cloud Storage Misconfigurations Fueling Surge in Material Data Breaches
An analysis of recent SEC Form 8-K Item 1.05 material cyber incident filings shows misconfigured cloud buckets and IAM token leaks driving corporate extortion.
Mei-Lin Chen27 Sep 20268 min read
Cyber AttackBanking & Fintech
Bitcoin Depot Discloses SEC Form 8-K Material Incident Following $3.6M Cryptocurrency Wallet Breach
Bitcoin Depot filed an SEC Form 8-K disclosing unauthorized access to IT systems and credential theft resulting in the exfiltration of 50.9 Bitcoin.
Daniel Okafor27 Sep 20268 min read
Cyber AttackCloud & SaaS
Halliburton SEC Form 8-K Item 1.05 Filing Details Critical System Disconnections and Material Blast Radius Across Global Energy Operations
Halliburton files SEC Form 8-K Item 1.05 detailing unauthorized corporate network access that forced critical energy infrastructure systems offline across global operations.
Daniel Okafor25 Sep 202619 min read
Cyber AttackHealthcare & Pharma
AdaptHealth Files SEC Form 8-K Disclosing Unauthorized Network Intrusion and Healthcare Data Exfiltration
AdaptHealth Corp files an SEC Form 8-K under Item 1.05 disclosing a cyberattack that disrupted internal systems and resulted in unauthorized patient data exfiltration.
Priya Raman24 Sep 202616 min read
Cyber AttackBanking & Fintech
River Financial Corporation Discloses SEC 8-K Banking Ransomware Extortion and Customer Account Records Exfiltration
River Financial discloses unauthorized ransomware intrusion and customer data exfiltration in SEC Form 8-K filings following network extortion demands.
Priya Raman24 Sep 202616 min read
Cyber AttackBanking & Fintech
CB Financial Services Discloses Landmark SEC Form 8-K Breach Triggered by Unauthorized Shadow AI Tool Usage
CB Financial Services files historic SEC Form 8-K Item 1.05 after an employee used an unauthorized AI tool to process non-public customer PII and SSNs.
CST Newsroom24 Sep 202615 min read
Cyber AttackHealthcare & Pharma
Astrana Health Discloses SEC Form 8-K Breach After Phone Spoofing Social Engineering Intrusion
Astrana Health files SEC Form 8-K Item 1.05 after threat actors spoofed corporate phone numbers to socially engineer IT support and compromise patient systems.
CST Newsroom23 Sep 202614 min read
Cyber AttackBanking & Fintech
Navient Corporation Files SEC Form 8-K After Third-Party Law Firm Ransomware Exfiltrates Borrower Records
Navient files SEC Form 8-K Item 1.05 after a ransomware attack on an external law firm exposed sensitive student loan borrower PII and Social Security numbers.
CST Newsroom23 Sep 202614 min read
Cyber AttackHealthcare & Pharma
Nutex Health Discloses Material Cyber Extortion in SEC 8-K Filing Following Patient PHI Exfiltration and Data Leak
Nutex Health files amended SEC Form 8-K Item 1.05 confirming patient PHI and provider records exfiltrated and published following ransomware double extortion.
Priya Raman23 Sep 202615 min read
Cyber AttackHealthcare & Pharma
West Pharmaceutical Services Discloses Material Cyberattack and Global Manufacturing Outage in SEC Form 8-K Filing
Injectable drug packaging leader West Pharmaceutical Services files SEC Form 8-K Item 1.05 disclosing data exfiltration and systems encryption halting global manufacturing.
CST Newsroom22 Sep 202616 min read
Cyber AttackHealthcare & Pharma
iRhythm Holdings Discloses Social Engineering Attack and Patient PHI Extortion in SEC Form 8-K Filing
Digital healthcare firm iRhythm Holdings files SEC Form 8-K Item 1.05 following social engineering compromise of cloud apps and extortion threats over patient cardiac data.
CST Newsroom22 Sep 202616 min read
Cyber AttackHealthcare & Pharma
Amgen Discloses Unauthorized Cloud Data Exfiltration and Patient PHI Theft in SEC Form 8-K Filing
Biotechnology giant Amgen files SEC Form 8-K Item 1.05 after unauthorized actors infiltrated third-party cloud environments and exfiltrated sensitive patient PHI and clinical research data.
CST Newsroom22 Sep 202616 min read
Cyber AttackHealthcare & Pharma
Park Dental Partners Discloses Network Intrusion and Patient Data Compromise in SEC Form 8-K Filing
Dental healthcare provider Park Dental Partners files SEC Form 8-K Item 1.05 following unauthorized network intrusion risking patient clinical records and sensitive PII.
CST Newsroom22 Sep 202616 min read
Cyber AttackHealthcare & Pharma
Novocure SEC Form 8-K Discloses Material Network Breach Exposing Oncology Device Systems and Clinical Records
Oncology medical technology leader Novocure files SEC Form 8-K Item 1.05 disclosing an unauthorized intrusion compromising clinical data and IT infrastructure.
Priya Raman22 Sep 202615 min read
Cyber AttackHealthcare & Pharma
Boston Scientific SEC Form 8-K Discloses Global Medical Device Manufacturing Outage Following Material Cyberattack
Boston Scientific files SEC Form 8-K Item 1.05 disclosing a material cybersecurity incident that caused global manufacturing halts and disrupted medical device supply chains.
Priya Raman21 Sep 202615 min read
Cyber AttackCloud & SaaS
CenterPoint Energy Form 8-K Disclosure: Unauthorized Access to Customer Accounts via External Web Portal
CenterPoint Energy files Form 8-K disclosing an unauthorized intrusion into customer account systems via external-facing web portal infrastructure.
CST Newsroom17 Sep 202614 min read
Cyber AttackCloud & SaaS
Surge in SEC Form 8-K Cyber Filings: Cloud Storage Exfiltration & Extortion Forensics
Regulatory analysis of recent SEC 8-K Item 1.05 disclosures details how threat actors leverage leaked cloud credentials and misconfigured storage to steal enterprise data.
Priya Raman16 Sep 202612 min read
Cyber AttackCloud & SaaS
SEC Form 8-K Breach Analysis: Misconfigured Cloud Storage and IAM Role Assumption Fuel Enterprise Data Exfiltration Wave
Forensic examination of SEC Item 1.05 material cyber filings reveals how compromised IAM credentials and public S3/Blob storage enable rapid data exfiltration.
CST Newsroom15 Sep 20269 min read
Cyber AttackGov & Defence
Florida DMV confirms DAVID driver database breach after officer credentials compromised on personal device
Florida’s motor vehicle department confirmed an intrusion into its DAVID database after an officer’s credentials were stolen by infostealers; ShinyHunters claims 200,000+ driver records.
Priya Raman14 Sep 20265 min read
Cyber AttackCloud & SaaS
Cisco Secure FMC authentication bypass CVE-2026-20079 exploited by Qilin ransomware affiliates
Threat actors and Qilin ransomware affiliates are actively weaponizing CVE-2026-20079 in Cisco Secure FMC to bypass web authentication and achieve root command execution.
Daniel Okafor13 Sep 20266 min read