Brazil
BRA
REvil ransomware disrupts Rio Grande do Sul state court systems in Brazil (2021)
In late April 2021, Brazil’s Rio Grande do Sul state court (TJ-RS) was hit by ransomware attributed to REvil, forcing a network shutdown, suspension of procedural deadlines, and widespread IT service outages. Media reported a US$5 million demand and initial restoration of some systems within two days.
45
Estimated severity
45 / 100
87
Source reliability
87 / 100
Approximate Date
28/04/2021
Targeted Company
TRIBUNAL DE JUSTICA DO RIO GRANDE DO SUL
Targeted Company Supply Chain Impact
Distribution & Fulfillment
Procurement & Sourcing
Production & Manufacturing
Sales (Retail & Ecommerce)
Warehousing
Service Delivery
Unrecognized Impact
Supply Chain Relations
No information
Geographic Impact
Country Targeted Company
Other Affected Countries
No other affected countries reported
Target country
Brazil
Affected countries
Brazil
Impacted regions
South America · Brazil
Operational Impact
Duration
2 days
Financial impact (USD M)
No information
Impact types
Service unavailabilityOperational disruption
Affected sectors
Government & Public Administration
Affected departments
Information Technology
Attack Profile
Attack types
Ransomware
Attributed threat actors
REVIL
Sources
Incident Sources
g1.globo.comhttps://g1.globo.com/rs/rio-grande-do-sul/noticia/2021/04/29/tj-rs-diz-que-sistema-de-informatica-do-tribunal-foi-alvo-de-ataque-hacker-e-muito-grave.ghtmltelesintese.com.brhttps://telesintese.com.br/tj-rs-recupera-sei-apos-ataque-cibernetico-ransomwarecisoadvisor.com.brhttps://www.cisoadvisor.com.br/tribunal-de-justica-do-rio-grande-do-sul-prejudicado-em-ataque-de-ransomwareconvergenciadigital.com.brhttps://convergenciadigital.com.br/seguranca/tribunal-de-justia-do-rio-grande-do-sul-sofre-ataque-de-ransomwareaasp.org.brhttps://www.aasp.org.br/noticias/tjrs-suspende-prazos-processuais-em-razao-de-ataque-ciberneticoconjur.com.brhttps://conjur.com.br/2021-abr-30/tj-rio-grande-sul-volta-alvo-ataque-hacker