Summary
On June 3, 2026, the notorious ransomware group shadowbyt3$ claimed responsibility for a cyberattack against Lead Company (Leadership Boulevard) (leadschool.in), a prominent education organization in India. The attack resulted in the exfiltration of sensitive data, including student and parent personal information, from multiple schools.
Incident Report
| Field | Details |
|---|---|
| Target | Lead Company (Leadership Boulevard) |
| Domain | leadschool.in |
| Country | India |
| Attacking Group | shadowbyt3$ |
| Date Reported | June 3, 2026 |
| Threat Actor Statement | “Company Site: leadschool.in size: 765.9MB This is will be quick. The following schools are affected: The specific schools explicitly named in the exfiltrated folders include: – Arya Vidyapith – Aakarsh International Public School – Students High School – Rainbow International Matric Hr. Sec. School – Vignan Private School The following info was stolen: 1. Personally Identifiable Information (PII) of Students – Full Names and Demographics: Complete names of children sorted by gender and admission numbers. – Academic Progression: Exact tracking of student grade levels (e.g., SKG, Class 1, Class 2) and division assignments – Age and Vital Records: Exact dates of birth (DOB) for all enrolled students. – Physical Locations: Full residential addresses, cities/districts (such as Nampally, Telangana), and exact localized postal pincodes 2. Guardian and Parent Contact Registries – Parent Identity: Full names of both fathers and mothers linked directly to their children. – Direct Contact Methods: Active personal mobile numbers for parents, creating a severe vulnerability for automated spam or voice-phishing attacks. – Digital Contact: Parent email addresses intended for formal school updates. – Student Led Events – Teacher Certificates – gac-reports – Assessments 3. Proprietary LEAD School Academic Metrics – ELGA Placement Data: Internal academic tracking metrics, showing specific curriculum tiers like “ELGA Class” (e.g., ELGA02, ELGA06) and “ELGA Division” for individual students. – Classroom Analytics: Operational performance data exfiltrated directly from the nucleus.leadschool.in administrative portal. – Teacher Resources: Lesson plans, training modules, and classroom resources that form the core commercial assets of the LEAD platform.” |
Recommended Security Actions
Ransomware attacks are increasingly targeting both enterprise and mid-sized organizations across all sectors. The following steps are critical to reduce impact and prevent future incidents:
- Monitor continuously: Use DeXpose’s dark web and infostealer monitoring platform to detect breached credentials, leaked databases, and threat actor chatter in near real-time—before damage spreads internally.
- Conduct a compromise assessment: Immediately initiate a full incident review to determine how attackers infiltrated your network, what data may have been exfiltrated, and whether any persistence mechanisms remain active.
- Validate your backups: Ensure that your backups are current, encrypted, and stored offline. Utilize immutable backup solutions to defend against ransomware encryption and deletion attempts.
- Apply threat intelligence: Integrate external threat feeds, including DeXpose-provided indicators of compromise (IOCs), into your SIEM or XDR platforms for real-time alerting and correlation.
- Harden employee defenses: Run phishing simulations and enforce multi-factor authentication (MFA) across all access points. Attackers often exploit weak or reused credentials sourced from the dark web.
- Engage professional response teams: Involve cybersecurity incident response experts, threat analysts, and legal counsel before initiating any dialogue with ransomware groups or ransom brokers.
How DeXpose Helps You Stay Ahead
At DeXpose, we specialize in early detection and proactive defense. Our hybrid threat intelligence solution combines automated deep/dark web crawling, Telegram and forum monitoring, and real analyst verification to deliver:
- Continuous scanning of ransomware group leak sites, stolen credential markets, and malware log dumps
- Timely alerts for breaches linked to your domains, email addresses, and key personnel
- Intelligence correlation that connects leaked credentials to infostealer malware infections, often weeks before a public ransom demand
- Real-time visibility into supply chain and third-party exposures through passive surveillance of dark web channels
Don’t wait for public disclosure or ransom notices—gain visibility into your cyber exposure now.
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Disclaimer
DeXpose does not engage in the exfiltration, hosting, redistribution, or purchase of stolen data. All breach information reported here is collected from publicly accessible dark web sources and threat intelligence platforms.
Our mission is to equip organizations with early-warning indicators, contextual threat insights, and actionable intelligence that help them secure their digital assets against evolving cyber threats.
