Disclosure context

About AiLock

AiLock is an emerging ransomware group first observed in March 2026 with a primarily financial motivation, having targeted at least 24 known victims across multiple sectors. The group's origin and affiliations remain largely undocumented by major threat intelligence organizations, though their targeting patterns suggest a broad operational scope spanning the United States, Canada, Great Britain, China, and Germany. Based on publicly available information from security researchers, AiLock appears to focus on technology companies, consumer services, manufacturing, and public sector entities, though specific attack methodologies, initial access vectors, and encryption techniques have not been extensively documented by CISA, FBI, or major security firms. The group's relatively recent emergence and limited public documentation suggest they may be a smaller operation or newly formed entity, with no notable major campaigns or high-profile ransoms publicly reported by established threat intelligence sources. Given the March 2026 first observation date and lack of subsequent major public reporting, AiLock's current operational status and capabilities remain largely undetermined by mainstream cybersecurity organizations. The group has been linked to 34 public disclosures across our corpus. First observed on a leak site on March 3, 2026; most recent post May 18, 2026. The operation is currently active.

Timeline of this disclosure

May 2, 2026Site Design Group listed by AiLockon the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Business Services sector, which has 2,640 disclosures indexed across all operators we track. Geographically, Site Design Group is reported in US, a country with 2,713 ransomware disclosures in our corpus.

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.

Ransomware victim disclosure

← All victims

Site Design Group

Claimed by AiLock · listed 19 days ago

18d

Age

since listed · data leaked

Status timeline

Listed
May 2, 2026
Data leaked

At a glance

Group: AiLock
Status: Data leaked
Country: US
Sector: Business Services
Listed on leak site: May 2, 2026

About the victim

AI dossier — public-source company profile

Site Design Group Ltd. is a Chicago-based firm specializing in landscape architecture and urban design. The firm works on projects spanning public parks, riverwalk developments, national historical park visitor centers, and urban plazas across the Chicago area. It operates as a collaborative design office with a portfolio of notable civic and institutional projects.

Industry: Landscape Architecture & Urban Design
Address: Chicago, IL, US

Attack summary

Severity: medium — Data has been published (confirmed exfiltration) but no evidence of regulated PII at scale, medical, financial, or government data; the firm is a small architecture practice with moderate business data exposure.

AiLock claims to have compromised Site Design Group Ltd. and has published data, though no ransom amount or explicit data size was stated. The disclosed status indicates data has been published, implying exfiltration of company files.

medium

Data the group says was taken

AI dossier — extracted from the leak post

Company files
Project documentation
Business records

What the group claims

Site Design Group Ltd. is a Chicago-based firm specializing in landscape architecture and urban design.

Sources

Victim sitesite-design.com

Source

Indexed 19 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.