More organizations are moving and restructuring their technology ecosystems to facilitate seamless communication with services that are not hosted on their local network. All publicly accessible assets that customers and employees have access to when interacting with a business online, whether owned and controlled by a company or a third party, are part of the organization’s online ecosystem. This represents the external attack surface of your organization.
Organizations that place their cyber vulnerability and attack surface visibility, understand that their external attack surface needs to be managed as much as the internal attack surface. External attack surface management has become an industry standard and a necessity for a strong cyber security posture.
An organization’s external attack surface typically consists of all Internet-connected applications and services accessible over the Internet and is significantly different from all internally-connected applications and tools.
Organizations have many reasons for deploying Internet-connected applications. These applications and services may be a prerequisite for interacting with customers and partners. Otherwise, it might be a requirement for employees working from remote, office, locations. Examples of this are remote desktops and virtual private networks.
Examples of Internet-facing applications include web applications, APIs, SSH servers, VPN gateways, cloud services, Internet-facing firewalls, or other remote access capabilities intentionally or accidentally placed on Internet-facing servers. there is a service. Internet-connected assets can be on-premises, in the cloud, or on any combination of hosted, managed, or virtualized infrastructure.Also read: How to choose The Perfect Domain Name
Simply put, external attack surface management (EASM) refers to the processes, technologies, and professional services used to identify these external-facing corporate assets and systems that may be vulnerable to cyber-attacks.
EASM solutions are typically used to automate the discovery of all downstream services your business is exposed to. In many cases, these can be third-party partners. Because they are potentially vulnerable to attack, they can pose real and significant risks to your organization.
MITER ATT&CK catalogs the most commonly used techniques for all forms of cyber vulnerabilities, including exploits in publicly available applications. According to MITER ATT&CK Johan suggests a variety of countermeasures, including regular software patching, exploit prevention, and vulnerability scanning. The goal of external attack surface management is to determine the best way to secure your network and prevent your data from being misused. Without knowing your external attack surface and the data they can access; you cannot effectively map your attack surface. Without this knowledge, you cannot accurately manage risk and protect your business.
Protecting their external attack surface gives organizations control over their cybersecurity posture. To prevent network vulnerabilities from being exploited by malicious actors, you can follow these best practices:
Because of the potential damage, a cyberattack can pose, many organizations are incorporating EASM into their enterprise risk management efforts. As a result, rather than addressing the issues on an ad hoc basis, security teams are taking a more proactive approach to strategically managing known and unknown risks, vulnerabilities, and exposed assets.
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