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Sao Bac Dau Technologies Group (Công ty CP Công nghệ Sao Bắc Đẩu)

listed as Saobacdau Technologies Group · Claimed by Blackbyte · listed 3 years ago

39m
Age
since listed · data leaked

Status timeline

  1. ListedApr 15, 2023
  2. Data leakeddate unknown

At a glance

Group
Blackbyte
Status
Data leaked
Country
Vietnam
Sector
Technology
Listed on leak site
Apr 15, 2023

About the victim

AI dossier — public-source company profile

Sao Bac Dau Technologies Group (SBD) is a Vietnamese IT company with approximately 30 years of operation, ranked among the top IT enterprises in Vietnam. The company provides system integration, IT infrastructure services, cloud computing, IoT solutions, and enterprise management software, serving Enterprise, Government, FSI, and Service Provider markets across Vietnam. Through its subsidiary S-IMS and the acquisition of 99% of Netpro Co., Ltd., the group has expanded into data integration solutions and IT training and testing.

Industry
IT Systems Integration & Managed Services
Address
Vietnam (nationwide operations; specific street address not stated in available sources)

Attack summary

Severity: high — Disclosed status is 'data_published', meaning BlackByte has already released exfiltrated data from a major Vietnamese IT systems integrator with government and financial sector clients; the company's role as a strategic IT partner to government and FSI entities raises the potential sensitivity of compromised data significantly.

BlackByte claims to have attacked Sao Bac Dau Technologies Group and has published data, suggesting exfiltration of company data; no ransom amount was stated and the specific data types or volume disclosed in the leak post are limited.

high

Data the group says was taken

AI dossier — extracted from the leak post
  • Business operational data
  • Data integration solution records
  • Corporate acquisition documents (Netpro Co., Ltd.)
  • IT training and testing data

What the group claims

S-IMS specialized in providing solutions or data integration. SaoBacDau Group acquired 99 % of Netpro Co., Ltd. To expand business operations into IT training and testing.

Sources

Source

Indexed 3 years 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 Blackbyte

BlackByte is a ransomware-as-a-service (RaaS) operation that emerged in October 2021, primarily motivated by financial gain through double extortion tactics targeting organizations across multiple sectors. The group is suspected to operate from Russia or former Soviet states based on their use of Russian-language forums and avoidance of targeting organizations in Commonwealth of Independent States countries, though they maintain no confirmed links to other established ransomware families. BlackByte operators typically gain initial access through vulnerable Microsoft Exchange servers, phishing campaigns, and exploitation of remote desktop protocol (RDP) services, employing tools such as Cobalt Strike for lateral movement and data exfiltration before deploying their custom ransomware payload that uses AES-256 encryption with RSA-2048 key protection. The group has demonstrated particular focus on critical infrastructure sectors, with the FBI and CISA issuing joint advisories in February 2022 highlighting attacks against organizations in government, healthcare, manufacturing, and education sectors, including notable incidents affecting San Francisco's transportation authority and multiple healthcare systems across the United States. BlackByte remains active as of 2024, continuing to evolve their tactics and maintain their leak site for publishing stolen data from victims who refuse to pay ransoms. The group has been linked to 147 public disclosures across our corpus. First observed on a leak site on October 4, 2021; most recent post July 30, 2025. The operation is currently inactive.

Timeline of this disclosure

  • April 15, 2023Saobacdau Technologies Group listed by Blackbyteon the group's public leak site

Other recent disclosures by Blackbyte

Blackbyte has been linked to 147 public victims on Darkfield. A sample of the most recent:

See the full Blackbyte dossier →

Sector and geography

This disclosure adds to ransomware activity in the Technology sector, which has 3,549 disclosures indexed across all operators we track. Geographically, Saobacdau Technologies Group is reported in Vietnam, a country with 14 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Blackbyte means Saobacdau Technologies Group 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 Blackbyte'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.