Cybereason relocates to Boston and raises $200M Series E, boosting its funding to $388.6M

Founded in Tel Aviv in 2015, Cybereason sought a U.S. base to improve access to customers and investors, evaluating New York, San Francisco, and Washington D.C. before selecting Boston for its talent pool, market opportunities, and proximity to potential partners.

The relocation decision, championed by co‑founder Yonatan Striem‑Amit, paid off as the company subsequently raised a $200 million Series E led by SoftBank Group—the largest cybersecurity round ever in Greater Boston and about 40% of the region’s August venture capital.

To date, Cybereason has accumulated over $388.6 million in known venture funding, enabling expanded international presence and continued product development in threat detection and response.

Raised over $388.6M in venture capital, including a record $200M Series E that comprised 40% of Greater Boston’s August VC dollars

Boston offered a strong concentration of cybersecurity talent and established firms such as Akamai, Rapid7, and Raytheon, providing a fertile ecosystem for hiring and partnerships.

The city’s proximity to venture capital firms and its reputation as a hub for hard‑tech startups increased the likelihood of securing large‑scale investment from investors like SoftBank.

Moving to Boston aligned Cybereason with a growing local security scene, evidenced by concurrent major deals such as VMware’s acquisition of Carbon Black, reinforcing market validation.

Choosing a hub based on talent, market proximity, and investor access can unlock large funding rounds and accelerate a startup’s growth trajectory.

Following the Series E, Cybereason continued to expand its global sales and engineering teams, deepened integrations with enterprise security platforms, and maintained its headquarters in Boston while pursuing further innovation in AI‑driven threat prevention.