| Name of Subsidiary | Jurisdiction of Incorporation | ||||
| Tenable, Inc. | Delaware | ||||
| Accurics, Inc. | Delaware | ||||
| Ermetic Ltd. | Israel | ||||
| Apex Security Ltd | Israel | ||||
| Vulcan Cyber Ltd | Israel | ||||
| Tenable Israel Ltd. | Israel | ||||
| Bit Discovery, Inc. | Delaware | ||||
| Tenable Network Security Ireland Limited | Ireland | ||||
| Alsid, SAS | France | ||||
| Tenable Public Sector LLC | Delaware | ||||
| Vulcan Cyber, Inc. | Delaware | ||||