Disclosure context

About Abyss

Abyss is a relatively new ransomware group that emerged in March 2023, operating with primarily financial motivations and targeting organizations across multiple sectors with a focus on English-speaking countries. The group's origin and affiliations remain largely undocumented by major security agencies, though their targeting patterns suggest they operate independently rather than as a Ransomware-as-a-Service model. Their attack methodology and specific tools have not been extensively documented by major threat intelligence firms, though their victim profile of 87 organizations indicates they employ effective initial access techniques to compromise business services, technology, healthcare, and agriculture sectors. The group demonstrates a clear geographic preference for targets in the United States, United Kingdom, Canada, Switzerland, and Hong Kong, suggesting either language preferences or specific regional access capabilities. Due to the group's recent emergence and relatively limited public documentation from established security researchers, detailed information about notable campaigns, encryption methods, or law enforcement actions remains scarce. Abyss appears to remain active as of current reporting, though the lack of extensive public analysis by major threat intelligence organizations suggests they may operate at a smaller scale compared to more prominent ransomware families. The group has been linked to 98 public disclosures across our corpus. First observed on a leak site on March 21, 2023; most recent post May 18, 2026. The operation is currently active.

Timeline of this disclosure

March 28, 2026Sitoy Group listed by Abysson the group's public leak site

Data size: 1.7TB

Sector and geography

This disclosure adds to ransomware activity in the Manufacturing sector, which has 2,458 disclosures indexed across all operators we track. Geographically, Sitoy Group is reported in Hong Kong.

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

Sitoy Group

Claimed by Abyss · listed 2 months ago

1.7TB

Data size

54d

Age

since listed · listed for ransom

Status timeline

Listed
Mar 28, 2026

Current state: Listed for ransom

At a glance

Group: Abyss
Status: Listed for ransom
Country: Hong Kong
Sector: Manufacturing
Listed on leak site: Mar 28, 2026
Data size: 1.7TB

About the victim

AI dossier — public-source company profile

Sitoy Group, founded in 1968 and headquartered in Kwun Tong, Hong Kong, is one of the world's leading manufacturers of branded bridge-to-luxury handbags, small leather goods, travel goods, and footwear. The company is engaged in design, research, development, manufacturing, wholesale, and retail, and also operates as a brand distributor. It serves major global luxury and premium brands through OEM manufacturing and maintains its own retail brands.

Industry: Luxury Handbags & Leather Goods Manufacturing
Address: Kwun Tong, Hong Kong
Founded: 1968

Attack summary

Severity: high — The group claims exfiltration of 1.7 TB of data from a major global luxury goods manufacturer; while full data has not yet been released and content is unspecified, the scale of claimed exfiltration and the company's size and supply-chain exposure to major luxury brands represent significant business risk.

The Abyss ransomware group claims to have exfiltrated 1.7 TB of uncompressed data from Sitoy Group, providing a file-listing archive as initial proof; full data and password are stated to be published at a later date.

high

Data the group says was taken

AI dossier — extracted from the leak post

File listing archive (sitoy.lst.7z)
Corporate business data (unspecified, 1.7 TB)

The group's post references roughly 1 proof file.

What the group claims

Design, manufacturing, and retail data for handbags, leather goods, travel goods, and footwear products

The leak post

captured from the group's site

```
let data = [
{
        'title' : 'thinlinetech.com',
        'short' : 'thinlinetech.com 29Gb uncompressed data',
        'full' : 'Thinline Technologies <br>' +
                 'Thinline Technologies offers reliable IT consulting and expert computer and network support services to businesses in the Baltimore metro area.<br> They specialize in network administration, technology planning, and help desk services, focusing on increasing productivity and profitability for small to mid-size businesses.<br>'+
            'password: 6oGfyIRISQmmI3Ge2kEeyu7hbzONONEFpkcnhC1S4Ygk4iSpw4RRxDXY1uk9xeyUXOmg7UOuZvGekRc9cs8E61LWKdI08uv0kUyC4V6YxaETtrhniAtKD9t7FQ2qTFYi<br>'+
            'Link â„–1 Filelist',
        'links' : [
            "http://zngbsq66uwem4qzyxpqb5rjo2xebnbwdku27nhmquryx6ljnbbedhiad.onion/thinline.lst.zip",
            "http://zngbsq66uwem4qzyxpqb5rjo2xebnbwdku27nhmquryx6ljnbbedhiad.onion/thinline.rar"
        ]
},
{
        'title' : 'sitoy.com',
        'short' : 'sitoy.com 1.7Tb uncompressed data',
        'full' : 'Sitoy Group <br>' +
                 'Founded in 1968, Sitoy Group is engaged in the design, research, development, manufacturing, sale, wholesaling, and re…

Data the group says was taken

business_data

Sources

Victim sitesitoy.com
Leak posthttp://3ev4metjirohtdpshsqlkrqcmxq6zu3d7obrdhglpy5jpbr7whmlfgqd.onion/static/data.js

Source

Indexed 2 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.

Disclosure context

About Abyss

Timeline of this disclosure

Other recent disclosures by Abyss

Sector and geography

Status timeline

At a glance

About the victim

Attack summary

Data the group says was taken

What the group claims

The leak post

Data the group says was taken

Sources

Source