The telecommunications operator MEO confirmed it was the target of a mass cyberattack this Monday, which caused disruptions to internet and mobile network services across the country. The company stated that it quickly controlled the situation and guaranteed that no customer data was accessed during the intrusion.
Update: MEO confirms DDoS attack caused service outages
Technical analysis by MEO teams confirmed that the service disruptions were caused by a distributed denial-of-service (DDoS) attack. The operator reported the incident to the National Cybersecurity Centre (Centro Nacional de Cibersegurança or CNCS) and clarified that BGP routing instability was a consequence of the attack.
