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Incident Analysis

American Water Cyberattack: Largest U.S. Utility Forced Offline

American Water Works discovered unauthorised network access on October 3, 2024, shutting down its MyWater customer portal and billing systems serving 14 million people across 24 states.

Feb 26, 20256 min read
Incident Analysis

Halliburton RansomHub Attack: $35M Loss in Oilfield Services

RansomHub encrypted Halliburton systems on August 21, 2024, exfiltrated proprietary oilfield data, and contributed to a $35M direct response cost disclosed in the company's Q3 10-Q.

Feb 19, 20256 min read
Incident Analysis

CDK Global BlackSuit Ransomware: 15,000 Dealerships Offline for 2 Weeks

BlackSuit ransomware encrypted CDK Global's dealer-management cloud on June 18-19, 2024, crippling roughly 15,000 North American auto dealerships and triggering a reported $25M ransom payment.

Feb 4, 20256 min read
Incident Analysis

UnitedHealth Change Healthcare: 190 Million Update and the Long Tail

In January 2025 UnitedHealth revised the Change Healthcare breach count to 190 million people, the largest HIPAA breach in US history. We unpack what changed and the supply-chain lessons that still apply.

Feb 4, 20257 min read
Incident Analysis

Ascension Health Black Basta Ransomware: 5.6M Patients Impacted

Black Basta encrypted Ascension's network on May 8, 2024 via a malicious file downloaded by an employee, diverting ambulances across 140 hospitals and ultimately notifying 5.6 million patients.

Jan 22, 20256 min read
Incident Analysis

Blue Yonder Termite Ransomware: SaaS Supply-Chain Outage in Retail

In November 2024 the Termite ransomware group hit Blue Yonder, taking workforce-management and logistics SaaS offline for Starbucks, Sainsbury's, and Morrisons. We unpack the SaaS supply-chain blast radius.

Dec 19, 20247 min read
Incident Analysis

Port of Seattle Rhysida: Airport Ransomware and the Public-Sector Tail

On August 24, 2024, Rhysida ransomware took down Port of Seattle systems including Sea-Tac airport check-in, baggage, and the Port website. The Port refused a $6 million ransom. We unpack the case.

Dec 5, 20247 min read
Vulnerability Analysis

SonicWall SSL VPN CVE-2024-40766: Ransomware's Favorite Front Door

CVE-2024-40766 in SonicWall SonicOS became an immediate target for Akira and Fog ransomware groups, highlighting the ongoing risk of VPN appliance vulnerabilities.

Aug 22, 20246 min read
Threat Intelligence

VMware ESXi Under Siege: Ransomware Campaigns Targeting Hypervisors in 2024

Ransomware groups increasingly target VMware ESXi hypervisors to encrypt entire virtual environments at once. The 2024 campaigns exploited known and zero-day vulnerabilities for maximum impact.

Jul 30, 20247 min read
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