ransomware
Safeguard articles tagged "ransomware" — guides, analysis, and best practices for software supply chain and application security.
87 articles
MGM Ransomware One Year Later: A Retrospective
A 2025 retrospective on the September 2023 MGM Resorts ransomware incident, what changed, what stalled, and how supply chain defenders should adjust.
Kettering Health Interlock Ransomware: A 14-Hospital System Goes Dark
On May 20, 2025, Interlock ransomware encrypted Kettering Health across 14 Ohio hospitals. The actor sat in the network for 41 days before encryption. We unpack the dwell time and the recovery.
What Is a Possible Effect of Malicious Code?
Malicious code can steal data, encrypt files for ransom, hand attackers remote control, drain resources, and spread across a network. Here is the full range of effects and how to limit them.
CVE-2025-23121 in Veeam Backup & Replication: Patch Posture & SBOM Response
Veeam B&R authenticated RCE on the backup server scored CVSS 9.9. Backup infrastructure cannot be a soft underbelly. Here is the defender playbook.
Hitachi Vantara Akira Ransomware: When the Recovery Vendor Goes Down
Akira ransomware forced Hitachi Vantara to take its own servers offline on April 26, 2025. We trace the attack pattern and the implications when an enterprise data-recovery provider becomes the incident.
Patelco Credit Union RansomHub Attack: 1M Records, $7.25M Settlement
RansomHub maintained access to Patelco Credit Union's network from May 23 to June 29, 2024, ultimately exposing data on over one million members and triggering a $7.25M class settlement.
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.
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.
What is Ransomware
Ransomware costs organizations $2.73M on average to recover from. Learn how it works, its top infection vectors, and how to defend against it.
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.
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.
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.
Self-healing security runs on Safeguard.
Your first fix PR is minutes away.
No sales call required, even your agent can complete the purchase over MCP.