Serviço de Informações de Segurança

The Serviço de Informações de Segurança or SIS (Portuguese for: Security Information Service) is the Portuguese security agency and intelligence agency founded in 1984 that specialized in clandestine and covert operation, counterintelligence, counterterrorism, cybersecurity, HUMINT, intelligence assessment, and SIGINT.^[1]

Formed1984

TypeIntelligence service

Jurisdiction Portugal

Headquarters

• Lisbon
• 38°47′15.4104″N 9°9′6.9012″W

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Security Information Service

Serviço de Informações de Segurança
State Security Agency & Intelligence Agency (Internal and External Operations) overview
Formed	1984
Type	Intelligence service
Jurisdiction	Portugal
Headquarters	Lisbon 38°47′15.4104″N 9°9′6.9012″W
Minister responsible	Luís Montenegro, Prime Minister
State Security Agency & Intelligence Agency (Internal and External Operations) executive	Adélio Neiva da Cruz, Director of the SIS
Parent State Security Agency & Intelligence Agency (Internal and External Operations)	Sistema de Informações da República Portuguesa (SIRP)
Website	www.sis.pt

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The function of SIS is to guarantee the internal security and prevent assassination of a high-ranking official, cyber attacks, espionage, insurgency, sabotage, terrorism, and the practice of acts which, by their nature, can change or destroy the Rule of Law as constitutionally established.^[2]