Colombia
COL
DIAN confirms cyberattack on appointment system; virtual booking disabled
Colombia’s tax and customs authority confirmed an external cyberattack that involved unauthorized access to personal data in its appointment scheduling system built by vendor CIEL Ingeniería. While core services continued, DIAN temporarily disabled the virtual appointment platform.
20
Estimated severity
20 / 100
96
Source reliability
96 / 100
Approximate Date
06/03/2026
Targeted Company
DIRECCION DE IMPUESTOS Y ADUANAS NACIONALES
Targeted Company Supply Chain Impact
Distribution & Fulfillment
Procurement & Sourcing
Production & Manufacturing
Sales (Retail & Ecommerce)
Warehousing
Service Delivery
Unrecognized Impact
Supply Chain Relations
CIEL INGENIERIA (Third-party service provider)
Geographic Impact
Country Targeted Company
Other Affected Countries
No other affected countries reported
Target country
Colombia
Affected countries
Colombia
Impacted regions
No information
Operational Impact
Duration
No information
Financial impact (USD M)
No information
Impact types
Service unavailability
Affected sectors
Government & Public Administration
Affected departments
Customer ServiceInformation Technology
Attack Profile
Attack types
Unauthorized accessData breachThird-party or partner compromise
Attributed threat actors
No information