Thales, a multinational technologies company listed on Euronext Paris, has announced plans to acquire US-based cybersecurity company Imperva. The deal, agreed with software investment firm Thoma Bravo, is valued at $3.6 billion.

Thales is acquiring security company Gemalto for €51 per share. The combined entities will have more than 28,000 engineers, 3,000 researchers, and invest more than €1 billion in self-funded R&D, according to a statement from Thales.