Prioritized Decision Support System for Cybersecurity Selection Based on Extended Symmetrical Linear Diophantine Fuzzy Hamacher Aggregation Operators
Abstract
:1. Introduction
1.1. Literature Review
1.2. Contribution and Novelty
- LDFS is a flexible method that overcomes MD and NMD limitations in existing models like IFSs, PFSs, and q-ROFSs. It allows decision makers to select grades within the [0, 1] range and utilize reference or control characteristics as weight vectors, facilitating the classification of physical attributes and the handling of ambiguous data.
- Hamacher AOs are utilized to facilitate seamless information integration while prioritized operators connect various criteria according to their importance. To maximize the potential of these operators, we are developing new hybrid AOs.
- We suggest two hybrid AOs to mitigate the effects of extremely large or small values in DM on overall rankings. These are the LDFHPWA and LDFHPWG operators.
- Several appealing aspects of the suggested AOs are also examined, including boundary conditions, idempotence, and monotonicity.
- A new DM approach utilizing the proposed operators is introduced to address MCDM problems.
- A novel DM method incorporating the proposed operators is introduced to tackle MCDM challenges.
1.3. Motivation for This Research
2. Preliminaries
2.1. Linear Diophantine Fuzzy Set (LDFS)
2.2. Expectation Score Function
2.3. Hamacher Operations
2.4. The Operational Laws for LDFNs Based on Hamacher Operations
- ;
- ;
- ;
- .
3. Linear Diophantine Fuzzy Hamacher Prioritized Aggregation Operators
3.1. LDF Hamacher Prioritized Weighted Average (LDFHPWA) Operator
3.2. LDF Hamacher Prioritized Weighted Geometric (LDFHPWG) Operator
4. MCGDM Method with LDF Information
Algorithm 1 |
Step 1: Construct the LDF decision matrices , where |
, and can be illustrated as follows. |
Step 2: Determine the value of as follows: |
such that |
Step 3: Aggregate the LDF decision matrix into the combined LDF decision matrix by applying the LDFHPWA or LDFHPWG operator. |
Step 4: Determine the value of such that . |
Step 5: For each decision, aggregate all . Use the LDFHPWA or LDFHPWG operator on . |
Step 6: Rank every alternative based on using the score function. |
Step 7: Select the alternative that has the greatest score. |
5. Numerical Example
- : Security Effectiveness (SE)
- : Cost-Effectiveness (CE)
- : Network Segmentation (NS)
- : Threat Intelligence (TI)
- : Patch Management (PM)
5.1. Explanation of Criteria
- ♦
- SE: The cybersecurity solution’s capability to accurately detect and prevent threats.
- ♦
- CE: The entire cost-benefit analysis of implementing a cybersecurity solution taking into account both the initial and continuing maintenance costs as well as the value it provides in terms of risk reduction.
- ♦
- NS: Partitioning the smart grid into distinct zones or segments helps to reduce the impact of security breaches and restricts attackers’ movement across various network areas.
- ♦
- TI: Leveraging advanced methods and tools, along with timely and accurate threat intelligence such as real-time threat detection, analysis, and sharing of compromise indicators, can significantly bolster proactive cybersecurity measures.
- ♦
- PM: The ability to effectively manage and implement software patches and updates to address security vulnerabilities and keep the system current with the latest protection measures.
5.2. Comparison Analysis with Existing Methods
5.3. Sensitivity Analysis
5.4. Advantages of the Proposed Method
- a.
- The most significant aspect of LDFSs is their capacity to express RP occurrences that require the allocation of MD and NMD. This feature makes LDFSs more dominating in expressing the needed information, overcoming the shortcomings of previous theories such as LDFSs and q-ROFSs.
- b.
- The LDFS model addresses imprecision and periodicity at the same time, expanding on prior models.
- c.
- Prioritized AOs capture prioritization phenomena among aggregated arguments, enhancing decision making in real-life scenarios. They were applied to LDFSs while maintaining their advantages.
- d.
- The suggested AOs are useful to aggregate fuzzy priorities and weights for evaluating alternatives in decision-making problems, such as project selection or resource allocation.
- e.
- The proposed method can be used to aggregate fuzzy opinions and priorities from multiple experts or stakeholders in group decision-making scenarios.
- f.
- The proposed method can be utilized to evaluate fuzzy quality metrics and prioritize weights for defect detection or quality improvement.
- g.
- The proposed approach is more versatile and convenient for handling common MCGDM issues.
- h.
- These applications leverage the ability of the implemented AOs to handle fuzzy information, prioritize weights, and aggregate data in a flexible and robust manner.
6. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Aggregated Alternatives | |
---|---|
Score Value | |
---|---|
0.6158 | |
0.5359 | |
0.5547 | |
0.5647 |
Ranking | |||||
---|---|---|---|---|---|
LDFHPWA operator | 0.6158 | 0.5359 | 0.5547 | 0.5647 | |
Percentage | 0.006158 | 0.005359 | 0.005547 | 0.005647 | |
LDFHPWG operator | 0.6244 | 0.5176 | 0.5531 | 0.4928 | |
Percentage | 0.006244 | 0.005176 | 0.005531 | 0.004928 | |
LDFEPWA operator [52] | 0.6171 | 0.5365 | 0.5564 | 0.5673 | |
Percentage | 0.006171 | 0.005365 | 0.005564 | 0.005673 | |
LDFEPWG operator [52] | 0.6167 | 0.5104 | 0.5438 | 0.4829 | |
Percentage | 0.006167 | 0.005104 | 0.005438 | 0.004829 | |
LDFPWA operator [51] | 0.6188 | 0.5374 | 0.5593 | 0.5714 | |
Percentage | 0.006188 | 0.005374 | 0.005593 | 0.005714 | |
LDFPWG operator [51] | 0.5969 | 0.4942 | 0.5224 | 0.4614 | |
Percentage | 0.005969 | 0.004942 | 0.005224 | 0.004614 | |
TOPSIS method [53] | 0.7297 | 0.4208 | 0.5505 | 0.4220 | |
Percentage | 0.007297 | 0.004208 | 0.005505 | 0.00422 | |
GRA method [54] | 0.5180 | 0.3690 | 0.4220 | 0.3575 | |
Percentage | 0.00518 | 0.00369 | 0.00422 | 0.003575 | |
EDAS method [55] | 0.9880 | 0.1307 | 0.6558 | 0.0230 | |
Percentage | 0.00988 | 0.001307 | 0.006558 | 0.00023 |
Ranking | |||||
---|---|---|---|---|---|
1 | 0.6188 | 0.5374 | 0.5593 | 0.5714 | |
2 | 0.6171 | 0.5365 | 0.5564 | 0.5673 | |
3 | 0.6158 | 0.5359 | 0.5547 | 0.5647 | |
4 | 0.6148 | 0.5354 | 0.5534 | 0.5627 | |
5 | 0.6140 | 0.5351 | 0.5525 | 0.5612 | |
6 | 0.6134 | 0.5348 | 0.5518 | 0.5599 | |
7 | 0.6128 | 0.5345 | 0.5512 | 0.5588 | |
8 | 0.6123 | 0.5343 | 0.5506 | 0.5578 | |
9 | 0.6118 | 0.5341 | 0.5502 | 0.5570 | |
10 | 0.6114 | 0.5340 | 0.5498 | 0.5562 |
Ranking | |||||
---|---|---|---|---|---|
1 | 0.5969 | 0.4942 | 0.5224 | 0.4614 | |
2 | 0.6167 | 0.5104 | 0.5438 | 0.4829 | |
3 | 0.6244 | 0.5176 | 0.5531 | 0.4928 | |
4 | 0.6285 | 0.5219 | 0.5585 | 0.4987 | |
5 | 0.6310 | 0.5249 | 0.5620 | 0.5026 | |
6 | 0.6328 | 0.5271 | 0.5645 | 0.5056 | |
7 | 0.6340 | 0.5289 | 0.5663 | 0.5078 | |
8 | 0.6350 | 0.5304 | 0.5678 | 0.5096 | |
9 | 0.6358 | 0.5316 | 0.5690 | 0.5111 | |
10 | 0.6364 | 0.5327 | 0.5699 | 0.5123 |
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© 2025 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
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Hanif, M.Z.; Yaqoob, N. Prioritized Decision Support System for Cybersecurity Selection Based on Extended Symmetrical Linear Diophantine Fuzzy Hamacher Aggregation Operators. Symmetry 2025, 17, 70. https://doi.org/10.3390/sym17010070
Hanif MZ, Yaqoob N. Prioritized Decision Support System for Cybersecurity Selection Based on Extended Symmetrical Linear Diophantine Fuzzy Hamacher Aggregation Operators. Symmetry. 2025; 17(1):70. https://doi.org/10.3390/sym17010070
Chicago/Turabian StyleHanif, Muhammad Zeeshan, and Naveed Yaqoob. 2025. "Prioritized Decision Support System for Cybersecurity Selection Based on Extended Symmetrical Linear Diophantine Fuzzy Hamacher Aggregation Operators" Symmetry 17, no. 1: 70. https://doi.org/10.3390/sym17010070
APA StyleHanif, M. Z., & Yaqoob, N. (2025). Prioritized Decision Support System for Cybersecurity Selection Based on Extended Symmetrical Linear Diophantine Fuzzy Hamacher Aggregation Operators. Symmetry, 17(1), 70. https://doi.org/10.3390/sym17010070