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    Why exposure management is replacing vulnerability management

    Vulnerability management isn’t failing because security teams lack visibility. Most organizations already have more findings than they can reasonably address. Yet despite all those findings, many CISOs still struggle to answer a deceptively simple question: Are we actually becoming harder to attack? That question sits at the center of a growing problem. Security programs have become very good at finding issues, but finding issues and reducing risk are not the same thing. In many organizations, those two concepts have become interchangeable, which is exactly why traditional vulnerability management is beginning to break down. The underlying assumption behind vulnerability management is straightforward. If you can identify vulnerabilities, prioritize them, and patch them, risk should decrease. That logic worked reasonably well when environments were smaller, infrastructure changed at a slower pace, and vulnerabilities were treated as the primary indicator of risk. Today’s environments operate differently. Vulnerabilities are rarely encountered in isolation and are often only one component of a broader security problem. The challenge is no longer finding vulnerabilities. The challenge is understanding exposure. This shift is one reason the Gartner ® Continuous Threat Exposure Management (CTEM) framework has gained traction. At its core, the framework recognizes that understanding risk requires looking beyond individual vulnerabilities and evaluating the broader exposures that attackers can actually exploit. Why prioritization keeps falling short The challenge becomes apparent when organizations try to prioritize risk. Traditional vulnerability management evaluates findings individually, often using severity scores as a proxy for risk. Attackers take a different approach. They evaluate how weaknesses connect, what access they provide, and how they can be combined to reach a meaningful objective. That distinction matters because severity and risk are not the same thing. A critical vulnerability that cannot be reached or exploited may represent very little practical risk. Meanwhile, a lower-severity issue combined with weak credentials, excessive permissions, or a misconfigured identity relationship can create a direct path to sensitive systems and data. Attackers understand this instinctively. They do not attack vulnerabilities one at a time. They chain weaknesses together, move laterally across environments, escalate privileges, and pursue the path that gets them closest to their objective. Severity is not risk One of the biggest reasons vulnerability management efforts struggle today is that severity has become a stand-in for risk. It is easy to understand why. Severity scores provide a standardized way to compare findings, helping teams sort large volumes of vulnerabilities and establish remediation priorities. A vulnerability only matters if it contributes to an attacker’s ability to achieve an objective, whether that objective is accessing sensitive data, escalating privileges, or moving laterally through an environment. In every case, the question is not, “How severe is this vulnerability?” but rather, “Can this weakness be used as part of a path to something valuable?” Those are fundamentally different questions. One measures the characteristics of a finding. The other evaluates the opportunity it creates for an attacker. As environments become more interconnected, the gap between those perspectives continues to grow. Exposure is bigger than vulnerabilities Visibility tells you what vulnerabilities exist. Exposure tells you how attackers can use them. That distinction is becoming increasingly important because exposure is broader than a vulnerability. It includes the relationships between weaknesses, identities, permissions, assets, trust relationships, and business systems that create opportunities for attackers. A vulnerability may contribute to exposure, but it is rarely the entire story. Consider a lower-severity vulnerability that exists on a system with excessive permissions. By itself, neither issue may appear urgent. Together, they may provide a direct path to sensitive data or critical infrastructure. Now consider an attacker who compromises a low-value system. In a traditional vulnerability management model, the focus remains on the vulnerability that enabled access. In an exposure management model, the focus shifts to what happens next: What can the attacker reach? Which identities can be abused? What permissions can be leveraged? What systems become accessible? The vulnerability may have enabled the intrusion, but the exposure determines the impact. That is why understanding exposure requires looking beyond individual findings and evaluating how weaknesses interact across the environment. The same principle applies across cloud environments, identity systems, Active Directory, third-party access, and hybrid environments. Attackers do not compromise organizations because a vulnerability exists. They compromise organizations because multiple conditions create an opportunity to reach something valuable. That is the definition of exposure. Why exposure management is replacing vulnerability management Attackers have already made this shift. The industry is finally catching up. Vulnerability management helped organizations understand what was broken. Exposure management helps organizations understand what attackers can actually do. As environments become more interconnected, the goal is no longer to identify every vulnerability. The goal is to understand which combinations of weaknesses create meaningful risk and where action will reduce that risk most effectively. For CISOs, that changes the conversation. Instead of asking: How many vulnerabilities do we have? How quickly are we patching them? The more important questions become: What can an attacker actually reach? Which exposures create meaningful business risk? What should we fix first? Are we becoming harder to attack? Those are exposure management questions. And as attackers gain new ways to identify and exploit opportunities at machine speed, they are increasingly the questions that matter most. Explore how organizations are operationalizing exposure management through CTEM by downloading the “ Operationalizing CTEM: A Practical Playbook for Continuous Threat Exposure Management.” You’ll learn how leading teams are moving beyond visibility and building programs focused on measurable exposure reduction.

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    Source: https://www.csoonline.com/article/4206354/why-exposure-management-is-replacing-vulnerability-management.html

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