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Customer trust is one of the greatest assets an enterprise can have. However, a rising trend in cyberattacks combined with lax oversight of a critical attack vector may put your organization, and your customers, at risk.
Increased adoption of online services and technologies has given rise to a new and ever-expanding attack surface that few organizations are prepared to defend.
Every public-facing asset your customers and employees access when interacting with your company online, whether owned and managed by your organization or by a third party, makes up your online ecosystem. This represents your organization’s external attack surface.
When it comes to information security, the dominant strategy has been an in-depth defense of the perimeter by firewalls and internal networks. But what if the threat actors are not looking to breach this perimeter? Assets hosted outside of an organization’s firewall present a growing challenge to security teams. Assets deployed beyond this edge represent an external attack surface that can be used to target your organization.
This new digital footprint is far more expansive than the internal one, often by several orders of magnitude, as the interactions between employees, consumers, and businesses are increasingly happening online via web-based services and applications. The growth of this footprint has accelerated as enterprises undertake significant digital transformation initiatives. These projects require new digital assets, many of which reside outside the firewall, are hosted on public cloud infrastructures, or are deployed in mobile app stores.
Additionally, development of these services and applications often incorporate the products or capabilities of third-party vendors of services, code, infrastructure, or data. It doesn’t stop there. Many of those third parties have built their functionality on top of their own vendors. These third, fourth, and ‘Nth’ parties provide assets that are also part of your external attack surface, whether you know about them or not.
External Attack Surface Management (EASM) is an emerging cybersecurity discipline that identifies and manages the risks presented by internet-facing assets and systems. EASM refers to the processes and technology necessary to discover external-facing assets and effectively manage the vulnerabilities of those assets. Examples include servers, credentials, public coud misconfiguration, and third-party partner software code vulnerabilities that could be exploited by malicious actors. EASM’s core tenent is to take an outside-in view of the enterprise to actively identify and mitigate threats that exist beyond the perimeter. Essentially, you are viewing your organization through the eyes of a hacker.
Given the potential damage to a company as a result of cyberattacks, many organizations are now incorporating EASM into their enterprise risk management strategies. As such, security teams are opting for more proactive approaches where known and unknown risks, vulnerabilities, and assets are handled strategically versus reacting to incidents ad-hoc. For security teams to achieve this, the EASM solution they select should provide the following: