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TIB Development Bank

Claimed by Blackbyte · listed 4 years ago

46m
Age
since listed · data leaked

Status timeline

  1. ListedSep 11, 2022
  2. Data leakeddate unknown

At a glance

Group
Blackbyte
Status
Data leaked
Country
Tanzania
Sector
Finance
Listed on leak site
Sep 11, 2022

About the victim

AI dossier — public-source company profile

TIB Development Bank Limited is a Tanzanian government-owned Development Finance Institution (DFI) established in November 1970 under the Tanzania Investment Bank Act. Re-designated as a DFI in 2005, the bank provides long-term financing for strategic sectors including infrastructure, industrialization, agro-processing, mining, oil and gas, energy, and services. It operates as a key instrument of the Tanzanian government for facilitating both public and private sector investment projects.

Industry
Development Finance Institution (Government-owned Development Banking)
Address
Building No.3, Mlimani City Office Park, Sam Nujoma Road, Dar es Salaam, Tanzania
Founded
1970

Attack summary

Severity: critical — TIB is a government-owned development bank handling regulated financial data, loan records, and potentially sensitive government infrastructure project financing. Data publication by BlackByte at a state financial institution in a developing economy constitutes exfiltration of regulated financial and potentially government-sensitive data at scale, meeting the critical threshold.

BlackByte claims to have attacked TIB Development Bank and has published data ('data_published' status), indicating exfiltration of data from the bank. No specific ransom amount or data volume has been stated, but the disclosed status confirms data has been released.

critical

Data the group says was taken

AI dossier — extracted from the leak post
  • Financial institution records
  • Loan/credit portfolio data
  • Government project financing documents
  • Internal bank reports
  • Customer/borrower information

What the group claims

TIB Development Bank Limited was established in November 1970 initially by the Parliamentary Act, the Tanzania Investment Bank Act of 1970 with the main purpose of financing development with emphasis on industrialization of the country. TIB was able to fulfil its mandate with notable success in the setting up of textile, leather, paper and other processing industries until the macroeconomic instabilities of the 1980s when the country’s economy deteriorated.The economic reforms of the 1990s highlighted the lack of long term funding as it was not offered by any of the commercial and financial institutions operating the country at the time. The Government therefore re-designated TIB as a Development Finance Institution (DFI) in 2005. The bank has completed the process of transformation into a DFI with an engagement focus centred primarily on infrastructure, industrialization (agro-processing, mining, and general manufacturing) oil and gas and services sector.

Sources

Source

Indexed 4 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

  • September 11, 2022TIB Development Bank 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 Finance sector, which has 108 disclosures indexed across all operators we track. Geographically, TIB Development Bank is reported in Tanzania, a country with 2 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Blackbyte means TIB Development Bank 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.