Ransomware Attack Closes Evanston Township High School for Two Days
Severity: Medium (Score: 51.9)
Sources: en.powys.gov.uk, Patch, eths202.org, Fox32Chicago, Nbcchicago
Published: · Updated:
Keywords: school, canceled, summer, classes, evanston, township, after
Severity indicators: ransomware, ransomware attack, school
Summary
Evanston Township High School (ETHS) has been closed due to a ransomware attack that occurred on June 7, 2026. The attack has disrupted access to critical systems, internet services, and computer infrastructure, leading to the cancellation of summer school classes, sports camps, and other on-campus activities for June 8 and 9. School officials activated incident response procedures and are working with external cybersecurity experts and the FBI to investigate the breach. Currently, phone systems are down, and staff have limited access to emails and online resources, including Access Center. No ransom demand has been reported yet, and the extent of the data accessed remains unclear. The school district is committed to providing updates as the situation evolves. Key Points: • Evanston Township High School is closed for two days due to a ransomware attack. • The attack disrupted critical systems, affecting communication and online resources. • The FBI is involved in the investigation, with no ransom demand reported yet.
Detailed Analysis
**Impact** Evanston Township High School (ETHS) in Illinois experienced a ransomware attack on June 7, resulting in closure of the school and cancellation of all summer school classes, sports camps, and on-campus activities for June 8 and 9. The attack disrupted phone systems, internet services, email access for staff, and key online resources including Access Center and eSchool. The district is working with the FBI and external cybersecurity experts to assess the extent of data accessed, though no ransom demand has been reported. No specific data volume or types compromised have been disclosed. **Technical Details** The ransomware attack affected ETHS’s computer systems, network infrastructure, and communication platforms, including Google accounts and district email. No specific malware family, attack vector, exploited vulnerabilities, or indicators of compromise (IOCs) have been publicly identified. The incident is currently in the containment and investigation phase, with forensic experts engaged to determine the scope of data accessed or acquired. No ransomware group has claimed responsibility. **Recommended Response** Organizations should monitor for unusual network activity and unauthorized access attempts, especially targeting educational institutions. Ensure incident response plans are activated promptly and engage legal and forensic experts as needed. Reset credentials and enforce multi-factor authentication for critical systems, including Google accounts. Monitor official updates from ETHS and the FBI for IOCs or further technical details to inform detection and prevention measures.
Source articles (11)
- Summer classes canceled at Evanston Township HS canceled after ransomware attack — Nbcchicago · 2026-06-08
Evanston Township High School has canceled all summer school classes, sports camps and on-campus activities scheduled for Monday and Tuesday after a ransomware attack, the school district said in a me… - Summer classes canceled at Evanston Township HS after ransomware attack — Nbcchicago · 2026-06-08
Evanston Township High School has canceled all summer school classes, sports camps and on-campus activities scheduled for Monday and Tuesday after a ransomware attack, the school district said in a me… - Cyber attack closes Evanston Township High School — Abc7Chicago · 2026-06-08
EVANSTON, Ill. (WLS) -- Evanston Township High School is closed because of a ransonmware attack. Summer school, sports camps, and on-campus activities are canceled for Monday and Tuesday. The ransomwa… - ETHS closes Monday, Tuesday after ransomware attack disrupts systems — Fox32Chicago · 2026-06-08
Evanston Township High School is canceling classes, summer programs and on-campus activities after a ransomware attack disrupted its computer systems, internet access and other critical operations as… - Ransomware attack shuts down Evanston Township High School campus — Cbsnews · 2026-06-08
The FBI is investigating a cybersecurity at Evanston Township High School that has closed down the whole campus Monday morning. A ransomware attack is hitting the district's phone lines, internet serv… - Ransomware sends Illinois high school on an early summer vacation — Theregister · 2026-06-08
An Illinois high school won't reopen until Wednesday at the earliest after suffering a ransomware attack on Sunday, June 7. Evanston Township High School (ETHS), located 14 miles north of Chicago, sai… - Ransomware Attack Shuts Down Summer Operations At ETHS | Evanston, IL Patch — Patch · 2026-06-08
EVANSTON, IL — Evanston Township High School will be closed until Wednesday after a ransomware attack disrupted school systems, internet services and computer infrastructure. All Summer School classes… - Evanston Township High School cancels summer classes due to ransomware attack — Aol · 2026-06-08
EVANSTON, Ill. — A high school in the northern suburbs has canceled all summer classes for two days due to a ransomware attack. Evanston Township High School announced that the attack on Sunday has di… - Cyberincident — en.powys.gov.uk · 2026-06-08
- Cybersecurity Incident — eths202.org · 2026-06-08
- Cybersecurity Incident — eths202.org · 2026-06-08
Timeline
- 2026-06-07 — Ransomware attack on ETHS confirmed: Evanston Township High School experienced a ransomware attack that disrupted systems and services.
- 2026-06-08 — School closure announced: ETHS announced it would be closed on June 8 and 9, canceling all summer activities due to the attack.
- 2026-06-08 — Investigation initiated: ETHS engaged cybersecurity experts and is cooperating with the FBI to investigate the breach.
- 2026-06-08 — Communication disruptions reported: School officials reported that phone systems are down and staff have limited access to email and online resources.
- 2026-06-08 — No ransom demand reported: As of now, ETHS has not received any ransom demand related to the ransomware attack.
Related entities
- Ransomware (Attack Type)
- Evanston Township High School (Company)
- Evanston Township High School District 202 (Company)
- Powys Council (Company)
- Education (Company)
- Wales (Country)
- eths202.org (Domain)