banking platform outage or service disruption

Massive Cyberattack Against Banco de Venezuela, S.A. (September 2021)

In mid-September 2021, Banco de Venezuela suffered a massive cyberattack that severely disrupted its financial services and online platform for several days. Although the Venezuelan government officially characterized the incident as a “terrorist attack” and a “massive hack” intended to tamper with banking data and sabotage the economy, the specific threat actor and the exact nature of the attack—such as whether ransomware was deployed or data was exfiltrated—remain unverified.

Overview

Missing evidence

There is no primary source from a threat actor attributing the ransomware.There is no public evidence of data exfiltration or a data breach.

Impact details

Banco de Venezuela experienced a serious platform outage between September 15 and 17, 2021. Statements from the government and the bank described the incident as sabotage or a massive cyberattack and assured the integrity of account data; users reported prolonged service instability, missing balances, and problems viewing transactions. No public source has confirmed the presence of ransomware or a data breach.

online bankingmobile bankingpoint-of-sale paymentsbank transferscustomer account services

Classification & severity

Category
Availability
Subtype
banking platform outage or service disruption
Confidence
High

Official sources and media outlets are reporting a major banking platform outage and concerns about data integrity; no ransomware or data exfiltration has been confirmed.

Severity assessment

High
Functional impact
Denial (critical)
Information impact
Integrity loss
Affected scope
Multiple users
Critical service
Disrupted
Public confidence
Significant
Recoverability
Extended

A major service disruption at a state-owned bank has revealed issues with data and transaction integrity, with widespread impact on customers; no breach of confidentiality has been confirmed.

Service disrupted IntegrityAvailability

Timeline

Claim

An unknown actor listed Banco de Venezuela, S.A. as an alleged victim.

Evidence & sources

6 sources