Pro-Russian DDoS attacks raise alarm in Denmark, U.S

Distributed denial-of-service (DDoS) attacks by pro-Russian hacking groups are causing alarm in the U.S. and Denmark after several incidents affected websites of hospitals and government offices in both countries. 

On Tuesday, Denmark announced that it was raising its cyber risk alert level after weeks of attacks on banks and the country’s defense ministry. 

“We are again raising the threat level for cyber risk against Denmark, among other things on the basis of pro-Russian activist hacker groups’ high level of …

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