Hello and welcome back to The Breach Report!
June 2025 delivered a fresh wave of high-impact cyberattacks that crippled hospitals, universities, food supply chains, and even national banking systems. The incidents this month highlight the growing convergence of hacktivism, ransomware, and insider-fueled breaches -and the continued need for zero-trust, employee training, and fast detection.
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Top 7 Data Breaches of June 2025 🚨
1. Bank Sepah Hack (Iran)
What happened: The hacktivist group Predatory Sparrow launched a cyberattack against Iran’s Bank Sepah, wiping systems, disrupting ATMs, and causing ripple effects across the country’s fuel distribution network.
Impact: Online banking, ATMs, and card services were disabled nationwide. Gas stations saw massive queues due to disabled payment systems.
Lesson: Even state-run financial infrastructure is vulnerable - air-gapped systems and offline failovers are vital in geopolitically tense environments.
Source: Read More
2. UNFI / Whole Foods Distributor Attack (USA)
What happened: United Natural Foods Inc. (UNFI), a major food distributor for Whole Foods, was hit with a cyberattack that disrupted internal systems.
Impact: Food ordering systems were down for days, creating visible shortages in Whole Foods and partner stores nationwide.
Lesson: Supply-chain disruptions from cyberattacks can quickly become customer-facing - especially in essential services like food.
Source: Read More
3. Kettering Health Ransomware Attack (USA)
What happened: Kettering Health, a network of 14 hospitals in Ohio, was targeted by Interlock ransomware, disrupting clinical systems and emergency services.
Impact: Patient record systems, communication lines, and ambulatory operations were heavily impacted, leading to care delays.
Lesson: Healthcare providers must prioritize ransomware resilience with backups, segmented networks, and ransomware-specific training.
Source: Read More
4. Aflac Insurance Breach (USA)
What happened: Social engineering tactics linked to Scattered Spider enabled attackers to breach Aflac, gaining access to personal and financial data.
Impact: Sensitive information such as SSNs, health claims, and account data was exposed - potentially affecting millions.
Lesson: Social engineering remains one of the most effective entry points - MFA and role-based access control aren’t optional.
Source: Read More
5. Columbia University Hacktivist Defacement (USA)
What happened: Hackers infiltrated Columbia University’s systems, displaying political content on digital signage while stealing personal data.
Impact: Records of over 2.5 million students, staff, and alumni were accessed, including application and financial aid data.
Lesson: Universities face unique risks from politically motivated attackers - data segmentation and real-time monitoring are key.
Source: Read More
6. Delhi Hospitals Cyberattack (India)
What happened: Two major hospitals in Delhi - NKS Super Speciality and Sant Parmanand - were taken offline in a targeted cyberattack.
Impact: Systems for patient management and billing were locked, forcing staff into manual operations and risking treatment delays.
Lesson: Healthcare institutions must maintain updated EHR systems and incident response plans to ensure patient safety.
Source: Read More
7. U.S. Government Domain Hijacks (USA)
What happened: A widespread “SEO spam” campaign hijacked official domains including HHS.gov and Stanford, redirecting users to AI-generated junk content.
Impact: Critical government health messaging was temporarily replaced by spam content, risking public misinformation.
Lesson: Domain security and DNS monitoring are essential - especially for high-trust public sites.
Source: Read More
🏥 Industry Spotlight: Healthcare Under Fire
Kettering, Delhi, and even Columbia University’s health systems demonstrate that hospitals and academic institutions remain prime ransomware targets. Slow system recovery directly threatens patient care and operational trust.
Key Takeaway: Every minute of downtime can cost lives or lawsuits - zero-trust architecture, fast containment protocols, and secure backups must be a healthcare IT priority.
🏛️ Regulatory Updates
United States: HHS and FEMA Joint Taskforce Launched: In response to rising attacks on hospitals, a federal taskforce will provide rapid-response assistance and mandatory risk assessments for public healthcare entities. Source: Read More
India: Delhi Cyber Cell Expands: After attacks on local hospitals, Delhi police announced a dedicated cyber forensic response unit for critical infrastructure. Source: Read More
⚠️ Emerging Threats to Watch
Hacktivism-as-a-Service: Groups like Predatory Sparrow are blending political motives with cybercrime tactics.
Supply Chain Sabotage: UNFI shows that disruptions to vendors can impact millions downstream.
Public Domain Hijacking: Trusted public URLs are being used for SEO spam, highlighting DNS and content security gaps.
🛡️ Pro Tips and Tools
Audit DNS Regularly: Ensure no unauthorized CNAME or A-record changes occur on public domains.
Run Tabletop Exercises Quarterly: Prepare for the real thing with incident simulations for staff and IT.
Update Ransomware Playbooks: Ensure your response plans are tested, current, and role-assigned.
📊 Poll
What’s Your Organization’s Most Neglected Security Layer?
🔲 DNS & Domain Protection
🔲 Ransomware Playbook Testing
🔲 Network Segmentation
🔲 Supply Chain Cyber Vetting
🔲 Insider Threat Detection
💡 Final Thoughts
What a doozy.
From ransomware paralyzing patient care to hacktivists targeting national infrastructure, June reminded us that no sector is off-limits - and no organization is too big or too prepared to be immune.
The big takeaway?
Cybersecurity isn’t just an IT problem - it’s a business continuity issue, a legal liability, and a brand reputation risk all rolled into one. Whether you're in healthcare, finance, retail, or education, the threats are evolving - and so must your defenses.
Thanks for reading, and we’ll see you in next month’s edition with the latest headlines, breakdowns, and lessons learned.
Until then, stay alert, stay informed, and stay secure. 🔐