Was High Oakham Primary School hit by ransomware?

High Oakham Primary School was listed by the thegentlemen ransomware operation (United Kingdom), and stolen data was published on the group's leak site. Darkfield tracks this disclosure with the original leak post, screenshot and group context.

Who is the thegentlemen ransomware group?

thegentlemen is a ransomware operator tracked by Darkfield. See the full operator dossier for its known victims, sectors targeted, IOCs and leak-site infrastructure.

What data was leaked in the High Oakham Primary School breach?

thegentlemen published data attributed to High Oakham Primary School. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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High Oakham Primary School

Claimed by Thegentlemen · listed 20 hours ago

Today

Age

since listed · data leaked

Status timeline

ListedSep 15, 2026
Data leakeddate unknown

At a glance

Group: Thegentlemen
Status: Data leaked
Country: United Kingdom
Sector: Education
Listed on leak site: Sep 15, 2026

About the victim

AI dossier — public-source company profile

High Oakham Primary School is a community primary school in Mansfield, Nottinghamshire, England, serving pupils aged 3–11 (nursery to Year 6). Opened in September 2001 through an education reorganisation, it is maintained by Nottinghamshire County Council with 464 pupils against a capacity of 428. Ofsted rated it 'good' in May 2022, with above-average English and maths standards.

Industry: Primary Education
Address: Mansfield, Nottinghamshire, GB
Employees: 51-200
Founded: 2001

Attack summary

Severity: low — No proof of exfiltration, encryption, or operational disruption is claimed or demonstrated. The leak post is largely a restatement of publicly available information from the school's website and ZoomInfo directory listing. No sensitive data exfiltration or ransom demand is evident.

The leak post contains no specific claims of encryption, exfiltration, or operational impact. The attacker has published school information (staff names, pupil numbers, governance structure, Ofsted rating, financial indicators) sourced from the school's public website and ZoomInfo, but does not claim to have stolen or encrypted data.

low

Data the group says was taken

AI dossier — extracted from the leak post

Staff names and roles
Pupil enrollment data
Governance structure
School policies and curriculum documents
Public website content

What the group claims

highoakham.co.uk zoominfo.com/c/high-oakham-primary-school/345650404 High Oakham Primary School community primary school in Mansfield, Nottinghamshire — opened September 2001 through the amalgamation of schools during Mansfield's education reorganisation; URN 133278, maintained by Nottinghamshire County Council (not an academy). Size: 464 pupils aged 3–11 (nursery to Year 6, mixed) against a capacity of 428 — over-subscribed, with just 9% free-school-meal eligibility (a relatively affluent intake for Mansfield). Headteacher Stephanie Astle (since 2019); chair of governors Lisa Vann; leadership includes a deputy, assistant head, SENCO (Michelle Pollard's inclusion team) and early-years lead. Ofsted (May 2022): "a good school" — English and maths standards above average by Year 6, an excellent start in Reception, teaching "consistently good, some outstanding." Culture: "Be true to yourself,"

Sources

Victim sitehighoakham.co.uk

Source

Indexed 20 hours ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.

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Disclosure context

About thegentlemen

thegentlemen is a ransomware group that emerged in September 2025, operating with apparent financial motivations based on their broad targeting of commercial sectors. The group has documented 267 victims across multiple countries, with primary focus on the United States, Thailand, France, Brazil, and India. Their targeting strategy demonstrates a preference for high-value sectors including manufacturing, technology, healthcare, and financial services organizations. Given the group's recent emergence and limited public documentation from established threat intelligence sources such as CISA, FBI, or major security research firms, specific details regarding their country of origin, operational structure, attack methodologies, encryption techniques, and whether they employ ransomware-as-a-service models remain unclear. The relatively high victim count of 267 in a short operational timeframe since September 2025 suggests either an aggressive campaign pace or potential inflation of victim numbers through affiliate operations, though without corroborating intelligence reports, the group's exact operational capabilities and notable campaigns cannot be definitively established. Current intelligence indicates the group remains active as of late 2025, though comprehensive threat profiling requires additional validated reporting from authoritative cybersecurity sources. The group has been linked to 868 public disclosures across our corpus. First observed on a leak site on September 9, 2025; most recent post September 15, 2026. The operation is currently active.

Also tracked as: the gentlemen.

Timeline of this disclosure

September 15, 2026High Oakham Primary School listed by thegentlemen on the group's public leak site

Other recent disclosures by thegentlemen

thegentlemen has been linked to 868 public victims on Darkfield. A sample of the most recent:

See the full thegentlemen dossier →

Sector and geography

This disclosure adds to ransomware activity in the Education sector, which has 1,087 disclosures indexed across all operators we track. Geographically, High Oakham Primary School is reported in United Kingdom, a country with 377 ransomware disclosures in our corpus.

If your organisation is affected

A listing by thegentlemen means High Oakham Primary School appeared on a ransomware extortion site and data attributed to it has been published. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
Report the incident to your national CERT, NCSC (United Kingdom), as required for your jurisdiction.
Monitor for the data appearing on thegentlemen's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.