According to ASML, there has not been any evidence of valuable files, both from their or customers and suppliers side, has been compromised. Their IT staff quickly got to know about the break-in the IT system and took immediate step.
ASML is a multinational Dutch company, with its presence felt in more than 16 countries in over 70 different locations. They make photolithography machines for the production of integrated circuits such as CPUs and memory chips, that improve the quality of life.
In recent times, many large companies have been targeted by hackers, but they are constantly working to improve their defenses against hacking attempts and their detection capabilities.
ASML is listed in Euronext Amsterdam and NASDAQ under the symbol ASML.