Sophos finds ransomware attacks on education hit 85% through identity techniques

Ransomware attacks on education are increasingly becoming an identity problem, according to Sophos’ State of Ransomware in Education 2026 report. Identity-based attack techniques, including malicious email, phishing, compromised credentials and brute force attacks, appeared in 85% of ransomware incidents against education institutions.

That figure is higher than the 79% cross-sector average, putting identity compromise at the centre of the ransomware challenge for both lower and higher education. The findings are based on an independent survey of 226 IT and cybersecurity leaders across 17 countries whose organisations were affected by ransomware during the past year.

Malicious email remains the leading entry point

Malicious email was the most common technical root cause, accounting for 31% of ransomware attacks in lower education and 29% in higher education. The connection between identity attacks and ransomware was also strong, with 77% of higher education institutions and 71% of lower education institutions reporting that their ransomware incident was also their most significant identity attack.

For education IT teams, this shifts the focus beyond traditional ransomware protection. Protecting identities and access becomes closely tied to stopping the attack before it develops into a wider incident.

Recovery is taking longer and costing more

The challenge does not end when an attack is contained. Around 26% of education institutions needed one to three months to fully recover, nearly twice the 14% cross-sector average. Lower education institutions were particularly affected, with 31% requiring a month or more.

The financial impact is also significant. Average recovery costs reached $2.26 million across education, compared with $1.7 million across sectors. Education institutions reported a median ransom demand of $775,200, above the $698,000 cross-sector median.

At the same time, backups remain an important recovery tool. Seventy-seven percent of lower education institutions and 69% of higher education institutions restored encrypted data using backups.

Skills and human pressure add another layer

Cybersecurity capability is another concern. More than half of higher education institutions, 53%, cited a lack of skills or expertise as a barrier to detecting and stopping attacks in time. Lower education institutions most commonly pointed to human error, lack of protection, unknown security gaps and limited capacity.

The impact is also reaching IT and security teams themselves. Some 39% of education organisations reported staff absences linked to stress or mental health issues after a ransomware attack, while leadership replacement rates were higher than the cross-sector average.

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