Act Security raises $60M

Act Security announced a Series A round of $60M on 28 July 2026. The company operates in Cybersecurity and is based in Israel. It was founded by Jonathan Langer, CEO & Co-founder.

Raised
$60M
Stage
Series A
Industry
Cybersecurity
Country
Israel

Founder

Jonathan Langer
CEO & Co-founder, Act Security

Outreach angles

  • -Jonathan Langer previously co-founded Medigate, a medical device security company acquired for around $400M.
  • -Langer reunited his Medigate team, including CTO Itay Kirshenbaum, to launch Act Security from stealth.
  • -Act emerged with a $20M seed and $40M Series A to reduce cloud access risk as AI agents inherit dangerous permissions.

Signals

Series ASecond-Time FounderAI-NativeB2BEnterpriseProduct Launch

Round details

Company: Act Security
Domain: act.security
Amount: $60M
Stage: Series A
Industry: Cybersecurity
Country: Israel
Announced: 28 July 2026
Source: announcement

Other Cybersecurity raises

Recently funded in Israel