More detailed information about that here: https://www.theguardian.com/world/2018/oct/04/netherlands-halted-russian-cyber-attack-on-chemical-weapons-body Also worth reading about is how the Dutch...
Dutch authorities say they disrupted an attempted hack into the Hague-based OPCW in April
More detailed information about that here:
https://www.theguardian.com/world/2018/oct/04/netherlands-halted-russian-cyber-attack-on-chemical-weapons-body
Also worth reading about is how the Dutch infiltrated Cozy Bear:
https://www.volkskrant.nl/wetenschap/dutch-agencies-provide-crucial-intel-about-russia-s-interference-in-us-elections~b4f8111b/