Cyber-attack disrupts administrative systems at Brazil’s Port of Santos
The Santos Port Authority in Brazil experienced disruptions to its internal systems and website following a cyber-attack that began on 6 November 2026. Some tasks were switched to manual processing, delaying scheduling and billing, but vessel and cargo operations continued. The port authority set up a crisis response team and began recovery efforts, while the Federal Police also launched an investigation. A ransom demand by the group claiming responsibility was confirmed, but there were no negotiations or payments, and unauthorised access to data remained unconfirmed.
Key facts
- Affected organisation
- Santos Port Authority
- Incident type
- Ransomware
- Occurred / detected
- 2026-11-06
- Scale of damage
- Disruptions to internal systems and the website, with delays to some tasks including scheduling and billing
- Cause / method
- A cyber-attack involving malware on the network
- Location
- Brazil
Timeline
- A cyber-attack disrupted systems, electricity and internet access in the Santos Port Authority’s administrative area.
- Electricity and internet access were restored, but recovery of internal systems and the website continued as the Federal Police investigation proceeded.
- The port authority set up a crisis response team and used alternative methods to handle some tasks.
- A ransom demand and the restoration of approximately 70% of file backups became public, while port operations continued.
13 related reports
- Port of Santos Confirms Cyberattack
- A Power Cut Found the Virus Already Inside Brazil's Largest Port. The Port Still Cannot Say What It Reached.
- Port of Santos IT Outage Sparks Ransomware Attack Fears
- Porto de Santos: sistemas seguem afetados após ataque cibernético
- Porto de Santos confirma ataque hacker e diz não saber se dados foram acessados indevidamente
- Porto de Santos confirma ataque hacker e diz não saber se dados indevidos foram acessados
- Port of Santos Faces System Outage, Suspected Cyberattack
- Cyberattack on Latin America’s largest port exposes risks to critical infrastructure
- Port of Santos Confirms Cyberattack, Says It Does Not Know Whether Data Was Accessed Without Authorization
- Port of Santos Systems Expected to Be Restored by Friday After Cyberattack, CEO Says
- Digital collapse following hacker attack prompts Port of Santos to establish crisis management office
- Porto de Santos confirma ter recebido pedido de resgate após ataque hacker
- 国家级港口遭网络攻击：业务转人工操作 货物装卸延误
The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organisation’s official statements for accurate details.