U.S.-listed satellite communications firm Viasat Inc. said on Monday it was investigating a suspected cyberattack that caused a partial outage in its residential broadband services in Ukraine and other European countries. Viasat said a third-party cybersecurity firm was looking into the causes of an outage in recent days across its KA-SAT network, which provides high-speed satellite internet coverage in Europe and Mediterranean markets. The outage could have been due to a distributed denial of service (DDoS) attack, Sky News reported on Monday. Such attacks hit a number of Ukrainian banks and government websites shortly before Russia’s invasion last week. “Our investigation into the outage continues, but so far we believe it was caused by a cyber event,” the company said in a statement, adding that there was “no indication” that customer data was involved. Russian President Vladimir Putin’s government accuses Western nations of making up accusations of cyber warfare in …