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Cuba’s ONAT says hack left tax portal unstable for weeks

Cuba’s tax authority ONAT acknowledged a cyberattack on 10/08/2023 that left its online tax portal unstable. Twenty days later, the platform remained intermittently unavailable, degrading access to online tax services and processes.

45

Estimated severity

45 / 100

93

Source reliability

93 / 100

Approximate Date

10/08/2023

Targeted Company

OFICINA NACIONAL DE ADMINISTRACION TRIBUTARIA

Targeted Company Supply Chain Impact

  1. Distribution & Fulfillment

  2. Procurement & Sourcing

  3. Production & Manufacturing

  4. Sales (Retail & Ecommerce)

  5. Warehousing

  6. Service Delivery

  7. Unrecognized Impact

Supply Chain Relations

No information

Geographic Impact

Country Targeted Company

Cuba

CUB

Other Affected Countries

No other affected countries reported

Target country

Cuba

Affected countries

Cuba

Impacted regions

No information

Operational Impact

Duration

No information

Financial impact (USD M)

No information

Impact types

Service degradationService unavailability

Affected sectors

Government & Public Administration

Affected departments

No information

Attack Profile

Attack types

Unauthorized access

Attributed threat actors

No information

Sources

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