What’s the Difference Between Inherent Risk and Residual Risk?
Inherent risks include all risks that are present without any security controls. Residual risks are the risks that remain after security controls are implemented.
Residual risks are inevitable. Even with an abundance of security controls, vestiges of residual risks will remain that could expose your sensitive data to cyber attacks. This is because the proliferation of digital transformation expands the digital landscape, creating more attack vectors.
Ironically, sometimes security controls introduce additional residual risks, known as secondary risks.
Because residual risks are inexorable, their effective management involves the pursuit of the optimal balance between acceptable and unacceptable risks.
The lower boundary of the Impact vs. Frequency curve is known as the risk appetite. Risk appetite is the maximum level of acceptable risk before mitigation efforts are implemented.
This curve should, ideally, be as depressed as possible, to widen the reach between cybercriminals and sensitive resources.
Why is Residual Risk Important?
Residual risk is important because most cybersecurity regulations, such as ISO 27001, require organizations to implement security controls to monitor and manage risk tolerance.
Highly regulated industries, such as healthcare entities and financial institutions, are under particular pressure to implement the best enterprise risk management strategies into business processes. This is because the consequences of poor information security practices in these industries are very severe.
Effective residual risk management is a combination of internal controls and external risk controls. The external component is especially important because of the significant cyber risks and third-party risks that are introduced during the vendor onboarding process
In the absence of controls, manual risk analysis across a rapidly expanding digital attack surface is a logistical impossibility.
For the most effective risk management strategy, an attack surface monitoring solution should be implemented. These solutions help security teams rapidly scale their risk assessment efforts by keeping them informed of current risk levels, vendor risk scores, the risk impacts if new cloud solutions and risk profiles of each vendor.
The most sophisticated attack surface monitoring solutions also offer Vendor Tiering, a means of categorizing vendors based on the types of risks and amount of risk they introduce to an ecosystem.
Why is Inherent Risk Important?
Understanding inherent risk and inherent impact is important because it helps security teams understand the current level of risk and the set of controls required to successfully address all risk factors.
This essential prerequisite to the implementation of a cybersecurity program ensures the efficiency of security posture strengthening efforts.
Mitigate Residual Risks with UpGuard
UpGuard monitors both the internal and third-party attack surface to minimize the residual risks exposing sensitive data.
UpGuard also supports compliance across a myriad of security frameworks, including the new requirements set by Biden's Cybersecurity Executive Order.
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