Ransomware attacks on schools and colleges | Kaspersky official blog
Source Kaspersky Security Blog
Description
Why educational institutions are increasingly falling victim to ransomware, the risks phishing and USB drives pose, and how to secure the digital infrastructure of schools and universities.
Impact
The impact of ransomware attacks on educational institutions is multifaceted. Operationally, these attacks can cause significant downtime, disrupting academic schedules, administrative functions, and access to critical educational resources. This downtime can last from hours to several days, as seen in recent incidents, leading to loss of instructional time and administrative delays. Confidentiality is at risk due to the theft of sensitive personal data of students, faculty, and staff, including admission records and academic performance data, which can lead to regulatory penalties and lawsuits. The extortion component adds reputational damage risks, potentially undermining trust in the institution. Financially, institutions may face ransom payments, remediation costs, and increased cybersecurity investments. The broad adoption of digital tools in education means that a large number of institutions worldwide are vulnerable, potentially affecting millions of students and staff. The reliance on phishing and USB drives as vectors means that even low-sophistication attackers can succeed, increasing the threat's prevalence. The sector's limited cybersecurity maturity and budget constraints further exacerbate the impact. Overall, these attacks threaten the confidentiality, integrity, and availability of educational services and data, with cascading effects on educational continuity and institutional reputation.
Defensive guidance
To mitigate ransomware risks in educational institutions, organizations should implement a multi-layered security approach tailored to their unique environment. First, comprehensive cybersecurity awareness training must be provided regularly to all staff and students, focusing on phishing recognition, safe email practices, and the risks of USB drives. Simulated phishing campaigns can help reinforce learning. Second, deploy endpoint security solutions that automatically scan USB devices upon connection and block execution of suspicious files, reducing malware introduction via removable media. Third, implement advanced email filtering and anti-phishing technologies to detect and quarantine malicious messages before reaching users. Fourth, segment the network to isolate critical systems such as student records and administrative databases, limiting lateral movement in case of compromise. Fifth, enforce strict access controls and multi-factor authentication for all administrative and sensitive systems to reduce unauthorized access risk. Sixth, maintain regular, tested backups stored offline or in immutable storage to enable rapid recovery without paying ransom. Seventh, establish incident response plans specifically for ransomware scenarios, including communication protocols and legal consultation. Finally, consider affordable, easy-to-manage security solutions designed for small to medium educational institutions to provide continuous protection without requiring extensive IT resources.
Summary
Ransomware attacks on educational institutions have evolved significantly from early campaigns focused solely on encrypting data for ransom payments. Modern ransomware groups now emphasize extortion by threatening to leak stolen sensitive data, increasing pressure on victims to pay. Educational organizations, once overlooked, are now prime targets due to their growing reliance on digital services such as electronic gradebooks, distance learning platforms, admission databases, cloud storage, and internal portals. These systems collectively expand the attack surface, providing multiple entry points for attackers. Phishing remains the dominant infection vector, exploiting the generally low cybersecurity awareness among faculty and students. For example, attackers often send deceptive emails impersonating school officials to trick recipients into clicking malicious links, which can initiate ransomware deployment or data exfiltration. Additionally, the continued use of USB flash drives for assignments facilitates malware introduction into campus networks, as these devices can carry infections from external environments. Notable ransomware incidents in 2025-2026, including attacks on Sapienza University in Rome and Blacon High School in the UK, demonstrate the operational impact, causing multi-day system outages and administrative disruptions. The trend is global, with studies indicating high percentages of educational institutions experiencing cyber incidents. The sector's limited cybersecurity training and budget constraints exacerbate vulnerabilities. Effective defense strategies include comprehensive cybersecurity awareness programs tailored to educators and students, deployment of endpoint security solutions capable of real-time phishing link blocking and USB scanning, and network segmentation to contain breaches. The threat does not currently have known exploits in the wild beyond phishing and USB infection vectors, but the increasing frequency and sophistication of attacks underscore the need for proactive measures.