The Finnish Security Intelligence Service (Supo) reports that the news of a Finnish citizen who carried out a suicide attack last year has been confirmed.
"I have no comment on the nature of the attack or its death toll," Supo chief Antti Pelttari says, adding that this is the first time that a fighter coming from Finland has committed a suicide attack.
The name "Abu Hurairah Finlandi" had been used by an Isis militant of Pakistani descent from the Finnish west coast city of Pori. In 2014-2015 he sent a number of threatening online messages to individuals including Finns Party members and to the Finnish government.
At least one Finn high in Isis echelon
Supo also reports that at least one person from Finland has risen in the Isis ranks. Pelttari made no comment on the alleged number of people involved or the nature of their tasks in the terrorist organisation.
At least some 80 people have left Finland to join Isis, the chief says.
"Unfortunately the number is the highest in the world in relation to the country's Muslim population," Pelttari says.
More than 300 people are currently under Supo surveillance because of suspected ties to the jihadist underworld.
"The figure has risen by about a hundred people."
The last time the intelligence agency compiled a threat assessment was last November. The assessment states that the risk of terror in Finland has risen, but that Finland is not a primary target country for any terrorist group.
"We are monitoring the situation constantly. We have no reason to update our current threat assessment," Pelttari says.