Was University of Pennsylvania hit by ransomware?

University of Pennsylvania was listed by the shinyhunters ransomware operation (United States), 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 shinyhunters ransomware group?

shinyhunters 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 University of Pennsylvania breach?

shinyhunters published data attributed to University of Pennsylvania, around 1.2M Records records. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

← All victims

University of Pennsylvania

Claimed by Shinyhunters · listed 4 months ago

1.2M Records

Records

Age

since listed · data leaked

Status timeline

ListedFeb 24, 2026
Data leakeddate unknown

At a glance

Group: Shinyhunters
Status: Data leaked
Country: United States
Sector: Education
Listed on leak site: Feb 24, 2026
Records: 1.2M Records

About the victim

AI dossier — public-source company profile

The University of Pennsylvania (Penn) is a private Ivy League research university located in Philadelphia, Pennsylvania. Founded in 1740, it comprises 12 schools offering undergraduate, graduate, and professional programs, and is affiliated with Penn Medicine, one of the leading academic medical centers in the United States. The university enrolls approximately 25,000 students and employs tens of thousands of faculty and staff.

Industry: Higher Education
Address: 3451 Walnut Street, Philadelphia, PA 19104, United States
Employees: 10001+
Founded: 1740

Attack summary

Severity: critical — 1.2 million records exfiltrated from a major Ivy League university with a large medical affiliate, strongly implying large-scale PII exposure of students, faculty, staff, and potentially patients; data has been published rather than merely threatened.

ShinyHunters claims to have exfiltrated approximately 1.2 million records from the University of Pennsylvania, with the data having been published as of 4 February 2026 following what the group characterizes as a refusal to pay a ransom.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Personal records (1.2 million individuals)
Potentially student/faculty/staff PII
Potentially academic or administrative data

What the group claims

Records: 1.2M Records | Updated: 04 Feb 2026 | Note: Make the right decision, don't be the next headline. | This is the direct result of advisors advising you against paying a ransom. It has the opposite effect. Do NOT provoke us again and pay the ransom when we contact you.

Source

Indexed 4 months 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.

Is this your supplier? Your competitor? You?

Pro plans monitor your domain, corporate emails, and crypto wallets across every new ransomware leak-site post, breach dump and Telegram callout — alerts within 5 minutes.

Disclosure context

About shinyhunters

Based on the limited publicly available information, shinyhunters appears to be a recently emerged ransomware group first observed in October 2025, primarily motivated by financial gain through extortion activities targeting organizations across multiple sectors. The group's origin and potential affiliations remain unclear due to their recent emergence, and there is insufficient public documentation to determine whether they operate as a Ransomware-as-a-Service model or as an independent entity. Their attack methodology and specific technical capabilities have not been extensively documented by major threat intelligence firms, though their targeting pattern suggests a broad opportunistic approach rather than sector-specific specialization. The group has reportedly victimized approximately 77 organizations, with primary targeting focused on the United States, France, Japan, Germany, and Australia, showing particular interest in consumer services, technology, financial services, transportation and logistics, and education sectors. Given the group's very recent emergence in late 2025, there are no widely reported major campaigns or high-profile incidents documented by established security research organizations, and no known law enforcement actions have been publicly reported against this group. The current operational status of shinyhunters remains active based on available reporting, though comprehensive threat intelligence profiles from major security firms like Mandiant, CrowdStrike, or government agencies have not yet been published due to the group's recent appearance in the threat landscape. The group has been linked to 122 public disclosures across our corpus. First observed on a leak site on October 3, 2025; most recent post June 12, 2026. The operation is currently active.

Timeline of this disclosure

February 24, 2026University of Pennsylvania listed by shinyhunterson the group's public leak site

Records: 1.2M Records

Other recent disclosures by shinyhunters

shinyhunters has been linked to 122 public victims on Darkfield. A sample of the most recent:

See the full shinyhunters dossier →

Sector and geography

This disclosure adds to ransomware activity in the Education sector, which has 694 disclosures indexed across all operators we track. Geographically, University of Pennsylvania is reported in United States, a country with 7,392 ransomware disclosures in our corpus.

If your organisation is affected

A listing by shinyhunters means University of Pennsylvania 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.
Monitor for the data appearing on shinyhunters'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.