Tenable Completes Acquisition of Bit Discover


Tenable Holdings has announced it has closed its acquisition of Bit Discovery, as a leader in external attack surface management (EASM). Tenable will launch Tenable.asm, a new solution that will provide the full capabilities of Bit Discovery’s technology to gain a more complete 360-degree view of their full attack surface.

An organisation’s digital footprint extends far beyond its walls as various services, applications and APIs are internet facing or reside on the internet. To avoid new points of security vulnerability and to ensure good organisational risk management, it is critical for organisations to have visibility into and to understand both known and previously unknown internet-facing assets.

Modern organisations require continuous monitoring of their complete attack surface and context-aware intelligence on where to prioritize remediation efforts. Tenable.asm will continuously map the entire internet and discover connections to an organisation’s internet-facing assets, whether internal or external to their networks, to assess the security posture of their entire external attack surface.

Because the security of internet-facing assets is a top CISO priority and pain point, Tenable is also integrating foundational quarterly attack surface discovery into its existing market-leading cyber exposure solutions at no additional cost to Tenable customers. New capabilities are scheduled to be included in Tenable.io®, Tenable.sc™and Tenable.ep™ early in the third quarter of 2022. A new version of Nessus will also include asset discovery.

“Very few, if any, organisations truly understand their full digital footprint. One of the most common but dangerous security lapses is to misconfigure something in the cloud and make it internet-facing. Organisations increasingly have less of a grasp on which of their assets are exposed,” said Glen Pendley, chief technology officer, Tenable.

“Every business or government entity should have advanced capabilities like those found in Tenable.asm, but given the critical security importance of having ASM everywhere, Tenable is making sure that its customers have at least foundational discovery functionality within the solutions they’re already using. This will enable them to spot points of vulnerability that have been completely invisible until now, with the goal of preventing attacks rather than simply managing them.” said Mr Pendley.


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