Bitdefender, a Romanian company founded in 2001 by Florin Talpeș, develops and provides cybersecurity products and services in over 150 countries, including the US. In 2023, the company had over 1,800 employees worldwide. Now it is making its capabilities available to the EU and NATO businesses, free of charge, for a period of one year and indefinitely for Ukraine.

More info here: https://www.bitdefender.com/en-us/ukraine/