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Incident

Teesside University

Incident posture

Attack window
Feb 2018
Location
United Kingdom
Status
Historical
CIA posture
Available to members
Updated
2025-11-30 00:00

Linked entities

Victim
Teesside University
Threat actors
0 actors
Sources
1 source

Timeline

Occurred
Feb 2018
Discovered
Pending
Disclosed
Pending
Resolved
Pending

Summary

Teesside University instructed hundreds of students and staff to reset their passwords as a precaution following identification of a broader security issue unrelated to its own systems. The institution characterized the action as preventive, emphasizing no compromise of its data infrastructure, though it acknowledged potential risks to email accounts that prompted the credential update directive.

Motives

Detailed motive labels are available to members.

1 motive

TTPs

Detailed technique labels are available to members.

1 technique

Description

On or around February 24, 2018, Teesside University initiated a precautionary password reset affecting hundreds of students and staff following identification of a potential email security breach. The university contacted impacted individuals over the weekend immediately preceding the public disclosure, instructing them to reset their university account credentials. While the institution did not specify technical details of the security concern, it emphasized the incident stemmed from external factors unrelated to its own data infrastructure. No evidence suggested unauthorized access to university systems occurred. The response focused exclusively on credential management as a preventive measure against potential compromise of email accounts.

University representatives characterized the password reset campaign as a proactive step addressing risks identified through monitoring of broader cybersecurity threats. They clarified the action resulted from awareness of a "wider security concern" external to Teesside's network environment, though no third-party vendors or specific threat actors were named in available reports. The incident prompted direct communications with affected students regarding credential changes but did not involve public disclosure of compromised data types or forensic findings. Operational impacts appeared limited to temporary account access procedures, with no reported disruptions to academic activities or long-term system modifications. University statements maintained confidence in internal security controls throughout the event while acknowledging the necessity of responsive protective measures.

Sources

Sources available to members: 1 source.

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