The Danish Defence Intelligence Service (DEI) has closed a sensor network that was set up in 2016 to detect unwanted cyber incidents at a number of Danish authorities and companies.
This is due to security risks, the intelligence service wrote in a press release on Monday.
An internal analysis has shown that there may be a security risk if the sensor network continues as it is now. FE does not disclose the security risk for security reasons.
However, the service states that the risk has disappeared with the closure of the sensor network, and that FE has not found any compromises of either the sensor network or the customers in the sensor network.
The sensor network was part of the Network Security Service under FE and was established to monitor cyber incidents in the critical infrastructure in Denmark.
Since the establishment of the sensor network in 2016, the number of affiliated companies and authorities has reached 300.
Help is still available
FE has informed the companies and authorities that are part of the network about the closure, and the service will continue to help them investigate relevant cybersecurity incidents.
According to FE, monitoring the sensor network constitutes a limited part of the customers' overall IT security. FE has thus assessed that the consequence of the closure is less than the risk of maintaining the sensor network.
The intelligence service has no further comments on Monday regarding the closure of the sensor network.
According to FE, the sensor network worked by having a number of sensors monitor data traffic in and out of the networks of affiliated companies and authorities.
It was continuously monitored whether malware or other suspicious data was included in the traffic, and if that was the case, an alarm was raised.
/ritzau/
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