Rumble has secured $15 million in Series A funding, led by Decibel, with participation from both new and existing investors. The funding follows a period of fast growth for the company, including a 5x increase in ARR and major traction with IT and security teams looking for better asset visibility. The company plans to use the funding to grow its go-to-market team and expand engineering resources.Rumble’s value lies in its ability to uncover devices and systems other tools miss, especially unmanaged assets that often slip through the cracks of traditional security products. That includes assets using IPv6, misconfigured endpoints, or machines living outside the reach of EDR and MDM platforms. The platform has been gaining attention as more organizations realize they can’t protect what they can’t see.The company has also made progress on integrations and product capabilities, building out connections to tools like CMDBs, SIEMs, and cloud providers. Its scanning engine is tuned to pick up everything from wireless adapters to link-local addresses, offering a level of detail that’s proving essential for both IT and security operations. Customers also benefit from tools like route pathing reports and subnet coverage maps, which help pinpoint segmentation issues and rogue devices.For MSSPs, Rumble fills a critical visibility gap that many endpoint and vulnerability tools miss. Its unauthenticated network discovery allows MSSPs to quickly map client environments without needing credentials or deploying agents, especially valuable in onboarding new customers or assessing inherited networks. With built-in reports that flag outliers, unknown devices, and segmentation issues, MSSPs can move faster from assessment to remediation. Rumble’s integrations with SIEM, EDR, and MDM tools also make it easier to centralize asset intelligence across the stack, giving MSSPs a cleaner handoff between discovery and response.
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