vulnerability assessment

An organization is performing a vulnerability assessment for mitigating threats. James, a pen tester, scanned the organization by building an inventory of the protocols founds on the organization’s machines to detect which ports are attached to services such as an email server, a web server, or a database server. After identifying the services, he selected the vulnerabilities on each machine and started executing only the relevent tests. What is the type of vulnerability assessment solution that James employed in the above scenario?

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An organization is performing a vulnerability assessment for mitigating threats. James, a pen tester, scanned the organization by building an inventory of the protocols founds on the organization’s machines to detect which ports are attached to services such as an email server, a web server, or a database server. After identifying the services, he selected the vulnerabilities on each machine and started executing only the relevent tests. What is the type of vulnerability assessment solution that James employed in the above scenario?

Option 1 : Service-based-solutions
Option 2 : Product-based solutions
Option 3 : Inference-based assessment
Option 4 : Tree-based assessment

1. Service-based-solutions

Cybersecurity services providers offer a variety of solutions associated with the protection of computer systems within a corporation . Also referred to as computer security or IT security, cybersecurity may be a constantly evolving industry created in response to hacking, viruses, and therefore the various other threats to non-public and professional data. Cybersecurity providers offer expertise along the three stages of business cybersecurity: assessment, protection, and remediation. Businesses are encouraged to supplement external cybersecurity solutions with IT security software, and variety of services providers offer cybersecurity tools additionally to services. additionally to cybersecurity, there are a spread of IT outsourcing services which will address your company’s information technology needs.

2. Product-based solutions

In flow Technologies, we understand business data and therefore the technologies that manage, store and move that information for you and your clients. And along side it, the threats to your data and business systems, which will cost thousands, even millions, of dollars. Though each company has the first responsibility of its Cybersecurity exposure – the extent of extending access, firewall workarounds for vendors, external and internal reaches, the frantic pace at which information ecosystems are evolving are often a challenge for even the leaders within the business domains.

Partnered with the simplest within the world in terms of securing data across multiple levels and scalable protocols, our Cyber Security products product range include A10 Networks, BeyondTrust, lampblack , CrowdStrike, Cisco, Checkmarx, Cyber Ark, Cyware, Entrust, Fire Eye, Forcepoint, Forescout, Ilantus, Kaspersky, Microfocus, McAfee, Netscout, Netskope, OneLogin, PaloAlto, RSA, Sandvine, SecPod, Skybox, Sonicwall, Tenable, Thales among others to make sure your information is secured effectively, efficiently and cost-effectively.

3. Inference-based assessment

As systems approaches to the event of biological models become more mature, attention is increasingly that specialize in the matter of inferring parameter values within those models from experimental data. However, particularly for nonlinear models, it’s not obvious, either from inspection of the model or from the experimental data, that the inverse problem of parameter fitting will have a singular solution, or maybe a non-unique solution that constrains the parameters to lie within a plausible physiological range. Where parameters can’t be constrained they’re termed ‘unidentifiable’. We specialise in gaining insight into the causes of unidentifiability using inference-based methods, and compare a recently developed measure-theoretic approach to inverse sensitivity analysis to the favored Markov chain Monte Carlo and approximate Bayesian computation techniques for Bayesian inference. All three approaches map the uncertainty in quantities of interest within the output space to the probability of sets of parameters within the input space. The geometry of those sets demonstrates how unidentifiability are often caused by parameter compensation and provides an intuitive approach to inference-based experimental design.

4. Tree-based assessment

With the enhancement of informatization and automation, the capacity and efficiency of CBTC systems are increasing. However, the wide application of data technologies brings serious security threats on CBTC systems. thanks to inherent characteristics of railway services, obtaining the safety situation of CBTC systems is important . The methodlogy during this paper to guage the vulnerability of systems adopts attack tree modelling supported the functional architecture of CBTC systems. Assessments cover the present security states, port auditing, password policies and communication protocols of systems with the benefits of simplicity and operability. supported the attack tree, leaf vulnerability, scenario vulnerability and system vulnerability are defined. During this assessment process, a typical scan tool, Nessus, and a vulnerability rating system , CVSS, are wont to achieve the port auditing. Moreover, a way to calculate the password strength and a piecewise linear function to normalize password strength are proposed. within the end, this approach is applied to a CBTC test-bed, and therefore the assessment results show the difference of the vulnerability between the system with or without the improved countermeasures.

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