Belfast has developed a significant cyber-security cluster with investments by firms like WhiteHat Security, Proofpoint and Black Duck Software.
A Californian cyber-security firm is to set up a European research and development centre in Belfast which will create 120 jobs.
Commenting, Invest NI's CEO Alastair Hamilton said: "Northern Ireland is enjoying a growing global reputation as a region of expertise and knowledge in cyber security".
The Californian business helps organisations respond to cyber security threats. As our customer base expanded globally we looked for ways we can grow our own operations and serve the needs of the market.
Separately, Centre for Secure Information Technologies (CSIT) at Queen's University Belfast has said it is likely to secure £38.5 million of new research and development funding.
The company has already recruited 23 staff for its new lab, which is being backed by Invest NI with financial support totalling £780,000 (€914,181).
Invest NI also announced it is making £5.5 million available for research and development at the Queen's University-based Centre for Secure Information Technologies (CSIT), which encourages collaboration between academics, industry and government to improve cyber security.
"This core funding from Invest NI has been fundamental in enabling us to leverage further support and investment from EPSRC, InnovateUK and Queen's University as well as leading worldwide businesses such as Allstate and Equiniti to help address this significant global challenge and economic opportunity".
Invest NI's support is part funded by ERDF under the EU Investment for Growth and Jobs Programme 2014-2020.