Submitted:
06 November 2023
Posted:
10 November 2023
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Abstract
Keywords:
1. Introduction
2. Background on Ransomware and LLMs
2.1. History of Ransomware: Evolution and Current Mitigation Challenges
2.2. Potential of Leveraging LLMs for Ransomware Mitigation
3. Using LLMs to Generate Ransomware Policies
3.1. Capabilities of LLMs in Policy Generation
- Pattern Recognition: LLMs are capable of identifying patterns within large datasets, which can be instrumental in understanding and predicting ransomware attack vectors and behaviors. By analyzing historical and contemporary ransomware attacks, LLMs can provide insights into common tactics, techniques, and procedures employed by attackers, thereby aiding in the formulation of preventive measures and response strategies.
- Real-Time Analysis: The ability of LLMs to perform real-time analysis of textual data enables continuous monitoring and assessment of the cybersecurity landscape. This feature is critical in identifying emerging threats and ensuring that policies remain updated to reflect the current threat environment.
- Automated Policy Generation: LLMs can automate the generation of cybersecurity policies based on predefined parameters, organizational requirements, and legal and regulatory frameworks. This automation facilitates the rapid development and updating of policies, which is crucial in maintaining resilience against the fast-evolving ransomware threats.
- Predictive Analytics: By leveraging predictive analytics, LLMs can forecast potential future ransomware attack trends. This foresight allows for the proactive adjustment of cybersecurity policies to preemptively address anticipated threats.
- Knowledge Transfer: LLMs can facilitate knowledge transfer by synthesizing information from a wide array of sources, including academic literature, security reports, and real-world incident data. This synthesis provides a comprehensive understanding of ransomware threats and effective mitigation strategies.
3.2. Process of Policy Generation using LLMs
- Data Collection and Preprocessing: Initially, a diverse range of data sources relevant to ransomware threats and mitigation strategies is collected. This data is then preprocessed to ensure its quality and relevance for training the LLM.
- Training and Tuning: The LLM is trained on the collected data to develop an understanding of ransomware threats and existing mitigation approaches. Tuning the LLM to the specific domain of ransomware mitigation is crucial for ensuring the accuracy and relevance of the generated policies.
- Policy Generation: Utilizing the trained LLM, draft policies are generated based on the identified patterns and insights. These drafts can be refined through iterative processes, incorporating feedback from cybersecurity experts to enhance their effectiveness and relevance.
- Validation and Evaluation: The generated policies are validated and evaluated against predefined criteria to ensure their adequacy in mitigating ransomware threats. This step may involve simulated testing to assess the policies’ effectiveness in a controlled environment.
- Integration and Implementation: Upon validation, the policies are integrated into the existing cybersecurity framework of the organization and implemented to mitigate ransomware threats.
- Continuous Monitoring and Updating: Post-implementation, continuous monitoring is conducted to assess the policies’ effectiveness in real-world scenarios. The LLM can be used to automate the monitoring process, ensuring that the policies remain updated in response to evolving ransomware threats.
3.3. Fitting Language Models into Cybersecurity Plans
- Working Together: It is important that LLMs can talk to the current security tools, to share data without a hitch so the model can analyze stuff as it happens and keep policies fresh and useful.
- Making It User-Friendly: The people who have to use these LLMs need to find them easy to use. So, creating clear interfaces and making sure users have a good experience is key. They should be able to give feedback, ask for changes in policies, and see the latest data without a fuss.
- Staying Within the Rules: Make sure everything is above board legally and ethically when bringing LLMs into the mix, which means sticking to the laws and keeping things ethical to avoid trouble and keep the company’s reputation solid.
- Teaching the Team: It is essential to teach the cybersecurity team how these LLMs work and what they can do. With the right training, they can really make the most of these tools to toughen up against ransomware.
- Keeping the Conversation Going: Having a way for the language model to get constant input from the security team and other systems helps to keep improving the policies. It is about adapting to what is actually happening with threats and changing things up as needed.
4. Evaluating LLM-Generated Policies
4.1. Evaluation Metrics
4.2. Testing the Effectiveness of Language Model-Created Policies
- Expert Feedback: When we have pros in cybersecurity take a look at what the language model came up with, they can point out what’s missing or unclear, and suggest how to make the policies better and on point with the law.
- Trial Runs: By pretending there’s a ransomware attack in a safe setting, we can see for ourselves if the policies actually do their job. It’s like a test drive to see how they work when it’s game time.
- Looking Back: If we match the language model policies against past ransomware mess-ups, we can guess if they would have made a difference. It’s about making sure we cover all the ways ransomware can hit us.
- Rule Check: We have to make sure everything in the policies is legal and ethical. No one wants to deal with court stuff or look bad because they didn’t follow the rules.
- Real Talk: Getting thoughts from the people who have to use these policies every day tells us if they actually make sense in the daily grind of keeping things safe.
- Keep an Eye Out: We need a way to always be checking how well these policies are working. If ransomware changes its game, we need to be ready to change ours faster.
4.3. Taking Advice from Cybersecurity Experts
- Expert Review Groups: Setting up groups of experts to go over the language model-crafted policies can lead to deeper analysis and valuable suggestions. These groups also help consider the policies’ legal and ethical sides, making sure they stick to the rules.
- Step-by-step Enhancement: By adding experts’ advice into the language model-crafted policies and then reviewing them again, we can be sure the policies are thoroughly developed and effective.
- Education and Skills Development: Using experts to teach and build up the skills of the team on how to put these language model-crafted policies into action helps everyone understand better and use the policies properly when facing real threats.
- Checking After Putting into Action: Having experts look at how well the policies work after they’re in place helps figure out how well they stop ransomware and what could be better. This step is also great for gathering real results on the policies’ impact, which is super important for making them even better and keeping up with new threats.
5. Legal and Ethical Considerations
5.1. Legal Considerations
- Data Privacy: LLMs require vast datasets for training, which may encompass sensitive or personal data. Adherence to data protection laws such as the General Data Protection Regulation (GDPR) in Europe and other regional data privacy statutes is crucial to ensure the lawful processing of data.
- Intellectual Property: The generation of policies through LLMs may involve the use of pre-existing copyrighted material for training purposes. It is essential to navigate the intellectual property laws to avoid infringements, and ascertain the ownership of the generated policies.
- Liability: Establishing liability in cases where LLM-generated policies fail to mitigate ransomware attacks or result in unintended consequences is a complex legal challenge. Clear delineation of liability between the LLM developers, operators, and the organization is essential for legal clarity.
- Regulatory Compliance: Ensuring that LLM-generated policies are in compliance with the myriad of cybersecurity regulations and standards is crucial. These may include industry-specific regulations, national cybersecurity laws, and international standards.
- Transparency and Disclosure: Legal frameworks may necessitate the disclosure of the use of LLMs in policy generation to relevant stakeholders. Transparency in the process and outcomes of LLM-generated policies is important for legal compliance and trust-building.
- Contractual Obligations: Organizations may have contractual obligations with third parties that could be impacted by the implementation of LLM-generated policies. Ensuring that these policies do not violate existing contracts is crucial for legal adherence.
- Jurisdictional Challenges: The global nature of cyber threats and the deployment of LLMs may present jurisdictional challenges, especially in cases of cross-border data flows and international operations. Navigating the complex jurisdictional legal landscape is essential for lawful operation.
- Legal Review and Oversight: Engaging legal experts in the review and oversight of LLM-generated policies is vital for ensuring legal compliance. Continuous legal review in light of evolving legal frameworks is advisable to maintain compliance.
5.2. Ethical Considerations
- Bias and Fairness: LLMs may inherit biases present in the training data, which could result in biased policies. Addressing issues of bias and ensuring fairness in the generated policies is fundamental to ethical AI deployment.
- Transparency and Explainability: Providing transparency in how the LLM generates policies and ensuring that the process is explainable to non-expert stakeholders is essential for ethical accountability.
- Autonomy and Decision-making: The use of LLMs should not undermine human autonomy in decision-making, especially in critical areas of cybersecurity. Ensuring that human oversight is maintained and that critical decisions are not entirely delegated to the LLM is crucial for ethical operation.
- Informed Consent: Where applicable, obtaining informed consent from stakeholders for the use of LLMs in policy generation, especially when personal or sensitive data is involved, is an ethical requirement.
- Security and Robustness: Ensuring the security and robustness of LLMs to avoid exploitation by malicious actors is an ethical obligation to protect the organization and its stakeholders from potential harm.
- Beneficence and Non-Maleficence: The principles of beneficence and non-maleficence, aiming for the maximization of benefits and minimization of harm, should guide the deployment of LLMs in generating ransomware mitigation policies.
- Public Interest: Considering the broader public interest and societal impact in the generation and implementation of LLM-generated policies is essential to ensure that they contribute positively to cybersecurity resilience beyond the organizational boundaries.
- Ethical Oversight: Establishing ethical oversight mechanisms, possibly through ethics committees or external audits, is advisable to ensure continuous adherence to ethical principles and guidelines.
6. Recommendations for Applying LLMs
6.1. Organizational Preparedness
- Capacity Building: Equip the cybersecurity personnel with the necessary skills and knowledge to interact with, and manage LLMs efficiently. This can be achieved through training programs, workshops, and collaborative learning initiatives.
- Infrastructure Readiness: Ensure that the necessary infrastructure, including hardware and software, is in place to support the deployment and operation of LLMs.
- Data Governance: Establish robust data governance frameworks to ensure the quality, integrity, and privacy of data used in training and operating LLMs.
- Stakeholder Engagement: Engage with various stakeholders within and outside the organization to create awareness, gather inputs, and foster a supportive environment for the deployment of LLMs.
- Financial Preparedness: Allocate adequate financial resources for the procurement, deployment, and maintenance of LLMs, including the costs associated with training, validation, and legal compliance.
6.2. Technical Recommendations
- Customization and Tuning: Customize and tune the LLMs to align with the specific domain of ransomware mitigation, ensuring that the generated policies are relevant and effective.
- Continuous Monitoring: Implement mechanisms for continuous monitoring of the LLMs’ performance, effectiveness in policy generation, and adherence to legal and ethical frameworks.
- Security Hardening: Employ best practices in security hardening to protect the LLMs from potential exploitation by malicious actors.
- Interoperability: Ensure interoperability between LLMs and existing cybersecurity tools and systems to facilitate seamless operation and data exchange.
- Scalability: Design the deployment architecture to be scalable to accommodate evolving organizational needs and cybersecurity challenges.
6.3. Legal and Ethical Adherence
- Legal Compliance: Engage legal experts to ensure that the deployment of LLMs and the generated policies comply with existing legal frameworks and regulatory requirements.
- Ethical Oversight: Establish mechanisms for ethical oversight, possibly through ethics committees or external ethical audits, to ensure continuous adherence to ethical principles.
- Transparency and Accountability: Foster a culture of transparency and accountability within the organization, ensuring that the processes and outcomes associated with LLMs are clear and understandable to relevant stakeholders.
6.4. Evaluation and Validation
- Performance Metrics: Define clear performance metrics to evaluate the effectiveness, relevance, and legal and ethical compliance of LLM-generated policies.
- Simulated Testing: Conduct simulated testing in controlled environments to assess the effectiveness of LLM-generated policies in mitigating ransomware threats.
- Feedback Loops: Establish feedback loops with cybersecurity personnel and other stakeholders to gather insights, identify areas of improvement, and refine the LLM-generated policies.
6.5. Long-term Sustainability
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Future-Proofing: Consider the long-term implications and evolving landscape of ransomware threats to ensure that the deploymentof LLMs in real-time and over extended periods to understand their efficacy and to identify areas for improvement.
- Iterative Refinement: Adopt an iterative approach to refine the LLM-generated policies based on evaluation outcomes, feedback, and changing organizational or threat landscapes.
- Knowledge Sharing: Foster a culture of knowledge sharing among different stakeholders to ensure that lessons learned, best practices, and challenges encountered are disseminated to inform future strategies.
- External Audits: Consider engaging external experts for unbiased audits of the LLM deployment, policy generation, and evaluation processes to ensure objectivity and comprehensiveness in the assessment.
- Adaptation to Evolving Threats: Ensure that the LLMs are adaptable to evolving ransomware threats and the broader cybersecurity landscape by regularly updating training data, refining models, and revising generated policies.
6.6. Community Engagement and Collaboration
- Industry Collaboration: Engage with industry peers, cybersecurity forums, and professional associations to share experiences, learn from others, and collaboratively address common challenges associated with applying LLMs for ransomware mitigation.
- Academic Partnerships: Collaborate with academic institutions for research, evaluation, and to stay abreast of the latest advancements in LLM technology and ransomware mitigation strategies.
- Vendor Relationships: Establish strong relationships with LLM vendors, cybersecurity solution providers, and other technology partners to leverage their expertise, support, and resources.
- Public-Private Partnerships: Explore opportunities for public-private partnerships to foster collaborative approaches to ransomware mitigation and to leverage public sector resources and support.
- Global Cybersecurity Initiatives: Participate in global cybersecurity initiatives to contribute to and benefit from international efforts in combating ransomware and enhancing cybersecurity resilience.
6.7. Documentation and Knowledge Management
- Documentation Standards: Adhere to high standards of documentation for all aspects of LLM deployment, policy generation, evaluation, and legal and ethical compliance.
- Knowledge Repositories: Establish centralized knowledge repositories to store and manage all relevant documentation, evaluation results, and other critical information.
- Access Control: Implement robust access control mechanisms to ensure that sensitive information is protected, while still being accessible to authorized personnel for reference, evaluation, and decision-making.
- Change Management: Document all changes in the LLM deployment, generated policies, and operational workflows, including the rationale for changes, to provide a clear audit trail and to support continuous improvement.
7. Conclusion and Future Work
Conflicts of Interest
References
- Young, A.; Yung, M. Cryptovirology: Extortion-based security threats and countermeasures. Proceedings 1996 IEEE Symposium on Security and Privacy. IEEE, 1996, pp. 129–140.
- Gazet, A. Comparative analysis of various ransomware virii. Journal in computer virology 2010, 6, 77–90. [Google Scholar] [CrossRef]
- Kok, S.; Abdullah, A.; Jhanjhi, N.; Supramaniam, M. Ransomware, threat and detection techniques: A review. Int. J. Comput. Sci. Netw. Secur 2019, 19, 136. [Google Scholar]
- Aldaraani, N.; Begum, Z. Understanding the impact of ransomware: a survey on its evolution, mitigation and prevention techniques. 2018 21st Saudi Computer Society National Computer Conference (NCC). IEEE, 2018, pp. 1–5.
- McIntosh, T.; Kayes, A.; Chen, Y.P.P.; Ng, A.; Watters, P. Dynamic user-centric access control for detection of ransomware attacks. Computers & Security 2021, 111, 102461. [Google Scholar]
- Connolly, A.Y.; Borrion, H. Reducing ransomware crime: analysis of victims’ payment decisions. Computers & Security 2022, 119, 102760. [Google Scholar]
- McIntosh, T.; Watters, P.; Kayes, A.; Ng, A.; Chen, Y.P.P. Enforcing situation-aware access control to build malware-resilient file systems. Future Generation Computer Systems 2021, 115, 568–582. [Google Scholar] [CrossRef]
- Oosthoek, K.; Cable, J.; Smaragdakis, G. A tale of two markets: Investigating the ransomware payments economy. Communications of the ACM 2023, 66, 74–83. [Google Scholar] [CrossRef]
- Goodell, J.W.; Corbet, S. Commodity market exposure to energy-firm distress: Evidence from the Colonial Pipeline ransomware attack. Finance Research Letters 2023, 51, 103329. [Google Scholar] [CrossRef]
- Ren, A.; Liang, C.; Hyug, I.; Broh, S.; Jhanjhi, N. A three-level ransomware detection and prevention mechanism. EAI Endorsed Transactions on Energy Web 2020, 7. [Google Scholar] [CrossRef]
- Mohanta, A.; Hahad, M.; Velmurugan, K. Preventing Ransomware: Understand, prevent, and remediate ransomware attacks; Packt Publishing, 2018.
- Tariq, U.; Ullah, I.; Yousuf Uddin, M.; Kwon, S.J. An Effective Self-Configurable Ransomware Prevention Technique for IoMT. Sensors 2022, 22, 8516. [Google Scholar] [CrossRef]
- McIntosh, T.; Liu, T.; Susnjak, T.; Alavizadeh, H.; Ng, A.; Nowrozy, R.; Watters, P. Harnessing GPT-4 for generation of cybersecurity GRC policies: A focus on ransomware attack mitigation. Computers & Security 2023, 134, 103424. [Google Scholar]
- Yamany, B.; Elsayed, M.S.; Jurcut, A.D.; Abdelbaki, N.; Azer, M.A. A New Scheme for Ransomware Classification and Clustering Using Static Features. Electronics 2022, 11, 3307. [Google Scholar] [CrossRef]
- Adamov, A.; Carlsson, A.; Surmacz, T. An analysis of lockergoga ransomware. 2019 IEEE East-West Design & Test Symposium (EWDTS). IEEE, 2019, pp. 1–5.
- Alzahrani, S.; Xiao, Y.; Sun, W. An analysis of conti ransomware leaked source codes. IEEE Access 2022, 10, 100178–100193. [Google Scholar] [CrossRef]
- McIntosh, T.; Kayes, A.; Chen, Y.P.P.; Ng, A.; Watters, P. Applying staged event-driven access control to combat ransomware. Computers & Security 2023, 128, 103160. [Google Scholar]
- Conti, M.; Gangwal, A.; Ruj, S. On the economic significance of ransomware campaigns: A Bitcoin transactions perspective. Computers & Security 2018, 79, 162–189. [Google Scholar]
- Aurangzeb, S.; Anwar, H.; Naeem, M.A.; Aleem, M. BigRC-EML: big-data based ransomware classification using ensemble machine learning. Cluster Computing 2022, 25, 3405–3422. [Google Scholar] [CrossRef]
- Ahmed, U.; Lin, J.C.W.; Srivastava, G. Mitigating adversarial evasion attacks of ransomware using ensemble learning. Computers and Electrical Engineering 2022, 100, 107903. [Google Scholar] [CrossRef]
- Filiz, B.; Arief, B.; Cetin, O.; Hernandez-Castro, J. On the effectiveness of ransomware decryption tools. Computers & Security 2021, 111, 102469. [Google Scholar]
- Manjezi, Z.; Botha, R.A. Preventing and Mitigating Ransomware: A Systematic Literature Review. Information Security: 17th International Conference, ISSA 2018, Pretoria, South Africa, August 15–16, 2018, Revised Selected Papers 17. Springer, 2019, pp. 149–162.
- Muslim, A.K.; Dzulkifli, D.Z.M.; Nadhim, M.H.; Abdellah, R.H. A study of ransomware attacks: Evolution and prevention. Journal of Social Transformation and Regional Development 2019, 1, 18–25. [Google Scholar] [CrossRef]
- Hadnagy, C. Social engineering: The art of human hacking; John Wiley & Sons, 2010.
- Khan, M.M.; Hyder, M.F.; Khan, S.M.; Arshad, J.; Khan, M.M. Ransomware prevention using moving target defense based approach. Concurrency and Computation: Practice and Experience 2023, 35, e7592. [Google Scholar] [CrossRef]
- Richardson, R.; North, M.M. Ransomware: Evolution, mitigation and prevention. International Management Review 2017, 13, 10. [Google Scholar]
- Sun, W.; Sekar, R.; Poothia, G.; Karandikar, T. Practical proactive integrity preservation: A basis for malware defense. 2008 IEEE Symposium on Security and Privacy (sp 2008). IEEE, 2008, pp. 248–262.
- Saleh, M.A. A proactive approach for detecting ransomware based on hidden Markov model (HMM). International Journal of Intelligent Computing Research 2019, 10. [Google Scholar] [CrossRef]
- Rathore, H.; Samavedhi, A.; Sahay, S.K.; Sewak, M. Towards adversarially superior malware detection models: An adversary aware proactive approach using adversarial attacks and defenses. Information Systems Frontiers 2023, 25, 567–587. [Google Scholar] [CrossRef]
- Poudyal, S.; Dasgupta, D.; Akhtar, Z.; Gupta, K. A multi-level ransomware detection framework using natural language processing and machine learning. 14th International Conference on Malicious and Unwanted Software” MALCON, 2019, number October 2015.
- Haynes, K.; Shirazi, H.; Ray, I. Lightweight URL-based phishing detection using natural language processing transformers for mobile devices. Procedia Computer Science 2021, 191, 127–134. [Google Scholar] [CrossRef]
- Ferrag, M.A.; Ndhlovu, M.; Tihanyi, N.; Cordeiro, L.C.; Debbah, M.; Lestable, T. Revolutionizing Cyber Threat Detection with Large Language Models. arXiv preprint, arXiv:2306.14263 2023.
- Gupta, M.; Akiri, C.; Aryal, K.; Parker, E.; Praharaj, L. From chatgpt to threatgpt: Impact of generative ai in cybersecurity and privacy. IEEE Access 2023. [Google Scholar] [CrossRef]
- Porsdam Mann, S.; Earp, B.D.; Nyholm, S.; Danaher, J.; Møller, N.; Bowman-Smart, H.; Hatherley, J.; Koplin, J.; Plozza, M.; Rodger, D. Generative AI entails a credit–blame asymmetry. Nature Machine Intelligence, 2023; 1–4. [Google Scholar]
| Metric | Description | Relevance |
|---|---|---|
| Coverage | Extent to which the policy addresses known ransomware vectors | Comprehensive threat mitigation |
| Clarity | Ease of understanding and implementing the policy | Effective implementation |
| Consistency | Absence of conflicting directives within the policy | Unambiguous guidance |
| Relevance | Alignment with the organization’s cybersecurity framework | Tailored mitigation strategies |
| Adaptability | Ability to evolve with changing ransomware threat landscape | Proactive threat mitigation |
| Compliance | Adherence to legal, ethical, and regulatory frameworks | Legal and ethical soundness |
| Effectiveness | Demonstrable mitigation of ransomware threats | Empirical validation |
| Efficiency | Resource utilization in implementing the policy | Cost-effective implementation |
| Usability | Ease of integration into existing cybersecurity frameworks | Seamless integration |
| Auditability | Traceability of policy decisions and modifications | Accountability and transparency |
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