rail travelers found buying a ticket difficult yesterday, following a on the DSB.

has more than 195 million passengers every year but, as reported by The Copenhagen Post, the attack on Sunday made it impossible for customers to purchase a ticket via the DSB app, on the website, at ticket machines and certain kiosks at stations – though passengers were able to buy tickets from staff on trains.

“We have all of our experts on the case,” said DSB spokesperson Aske Wieth-Knudsen, with all systems apparently working as normal this morning.

“The DDoS attack seen in Denmark this weekend on critical national is precisely the type of attack that EU Governments are seeking to protect citizens against with last week’s introduction of the Network and Information Systems Directive (NIS),” said Andrew Lloyd, president, Corero Network Security.

“Keeping the control systems (e.g. railway signaling, power circuits and track movements) secure greatly reduces the risk of a catastrophic outcome that risks public safety. That said, a successful attack on the more vulnerable management systems can cause widespread disruption. This DDoS attack on Danish railways ticketing site can be added to a growing list of such cyber-attacks that include last October’s DDoS attack on the Swedish Railways that took out their train ordering system for two days resulting in travel chaos.

The lessons are clear, Lloyd added; transportation companies and other operators of essential services have to invest in proactive cybersecurity defenses to ensure that their services can stay online and open for business during a cyber-attack.

Infosecurity has reached out to DSB for further comment but is yet to receive a response (at time of writing).



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