US-Israeli firm CyberX, which develops security products for IoT and industrial systems, raises $18M Series B led by Norwest Venture Partners
Tova Cohen / Reuters :
Context & Ripple Effects
In 2018, CyberX was a bet that factories and utilities would need dedicated defenders as operational technology got networked — and its $18M Series B from Norwest Venture Partners funded exactly that niche. The bet paid out on the acquirer's terms: by 2020, sources put Microsoft buying Israel-based CyberX at about $165M against just $48M raised to date, per the reported deal, with Microsoft later confirming the acquisition.
The round also slots into a broader pattern of Israeli cybersecurity specialists drawing US capital and buyers — from SoftBank's $50M into Cybereason back in 2015 through Cyberbit's $70M raise under Elbit Systems and Cynet's $40M Series C aimed at North America and Europe.
First-order effects
- Norwest Venture Partners converts an early position in IoT/industrial security into a stake in what became a nine-figure Microsoft exit roughly two years later.
- CyberX gains the capital to scale its IoT and industrial-systems security products while the category is still contested by startups rather than platform incumbents.
Second-order effects
- Microsoft's purchase signals to other OT-security startups — XM Cyber, Cynet, Cyberbit — that hyperscalers will pay for this capability outright, shaping their fundraising and exit expectations.
- Rival industrial vendors face a new reality where their customers' factory networks are protected by Microsoft-owned tooling, pressuring them toward partnerships or competing acquisitions.
Third-order effects
- If the pattern holds, OT/IoT security consolidates from independent Israeli-founded specialists into platform vendors' portfolios, leaving fewer standalone players and shifting pricing power to cloud incumbents.
- Industrial operators get security bundled with their existing cloud relationships, accelerating the convergence of IT and operational-technology security budgets.
The trend: Israeli cybersecurity startups focused on IoT and industrial systems are moving from venture-backed independence to absorption by large platform vendors as operational-technology risk goes mainstream.