Was The Morton Grove Park District hit by ransomware?

The Morton Grove Park District was listed by the Deadlock 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 Deadlock ransomware group?

Deadlock 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 The Morton Grove Park District breach?

Deadlock published data attributed to The Morton Grove Park District. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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The Morton Grove Park District

Claimed by Deadlock · listed 5 days ago

Age

since listed · data leaked

Status timeline

ListedJul 10, 2026
Data leakeddate unknown

At a glance

Group: Deadlock
Status: Data leaked
Country: United States
Sector: Public Sector
Listed on leak site: Jul 10, 2026

About the victim

AI dossier — public-source company profile

The Morton Grove Park District (MGPD) is a municipal agency in Morton Grove, Illinois, established in 1951 and governed by five elected commissioners. It operates under Illinois state law and provides parks and recreation services to the community.

Industry: Public Sector - Parks & Recreation
Address: Morton Grove, Illinois, US
Founded: 1951

Attack summary

Severity: high — Confirmed exfiltration of 50+ GB of data including PII at scale (employees, clients, suppliers) and sensitive financial/policy documents from a public sector organization. Large volume and sensitive data categories warrant high classification despite no operational disruption claimed.

Deadlock claims to have exfiltrated more than 50 GB of data containing personal and sensitive information belonging to employees, clients, and suppliers. The group also claims to possess internal financial plans, policies, and documents allegedly containing discriminatory content.

high

Data the group says was taken

AI dossier — extracted from the leak post

employee personal information
client/supplier personal information
financial plans
internal policies
sensitive documents

What the group claims

The Morton Grove Park District (MGPD) is a separate municipal agency established in 1951, governed by five elected commissioners and subject to Illinois state laws. Their motto is: Everyone who lives in, works in, or visits Morton Grove has constitutional rights, no matter their citizenship or immigration status. The Village is committed to making sure every person feels safe, supported, and respected. More than 50 GB of data containing personal and sensitive information belonging to both internal employees and the organization's clients and suppliers. Documents on financial plans and internal policies are protected by a non-disclosure policy. (Including racist and sexist insights) We invite all journalists, lawyers, and law enforcement agencies to review this information.

Sources

Victim sitemortongroveparks.com
Leak posthttps://www.swisstransfer.com/d/756b97e0-6273-42e6-9cb0-9c78a9557b67

Source

Indexed 5 days 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 Deadlock

Deadlock is a ransomware group first observed in June 2026 with an apparent financial motivation, having claimed responsibility for attacks against at least 10 known victims across a geographically diverse target set. Given the recency of their emergence and limited public documentation by major threat intelligence organizations such as CISA, FBI, or Mandiant at this time, a comprehensive technical profile cannot be fully established. Based on available victimology data, the group has demonstrated a targeting pattern spanning Singapore, China, Sweden, Spain, and Nigeria, suggesting an opportunistic or globally distributed operational scope rather than a regionally focused campaign. Targeted sectors include manufacturing, business services, telecommunications, and financial services, indicating a preference for industries with high operational dependencies and potential for significant disruption, which is consistent with financially motivated ransomware actors seeking maximum leverage for ransom payment. No confirmed attribution regarding country of origin, RaaS affiliation, or specific tooling has been publicly documented by authoritative sources as of this profile's preparation. Due to the group's nascent operational timeline and the limited volume of publicly verified intelligence, analysts should treat this profile as preliminary and subject to significant revision as additional technical indicators, victim disclosures, and research reporting become available. Continued monitoring is advised given the cross-sector and cross-regional targeting behavior observed in this early operational phase. The group has been linked to 76 public disclosures across our corpus. First observed on a leak site on June 15, 2026; most recent post July 12, 2026. The operation is currently active.

Timeline of this disclosure

July 10, 2026The Morton Grove Park District listed by Deadlockon the group's public leak site

Other recent disclosures by Deadlock

Deadlock has been linked to 76 public victims on Darkfield. A sample of the most recent:

See the full Deadlock dossier →

Sector and geography

This disclosure adds to ransomware activity in the Public Sector sector, which has 466 disclosures indexed across all operators we track. Geographically, The Morton Grove Park District is reported in United States, a country with 3,115 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Deadlock means The Morton Grove Park District 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, CISA (United States), as required for your jurisdiction.
Monitor for the data appearing on Deadlock'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.