Dynamic Link Isolation in Email Communications
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Solution Overview
Problem
Current cybersecurity measures face challenges in efficiently and effectively protecting users from malicious phishing attempts and spam messages by ensuring the safety of personal information and computing devices, particularly when balancing protective features with limited processing power and network bandwidth.
Innovation Solution
A computing platform dynamically controls access to linked content in electronic communications by identifying potentially malicious sites using URL Defense tools, determining risk profiles, and executing isolation methods such as browser mirroring to provide limited access, preventing downloads and uploads, and controlling input, while also analyzing sites with phishing analysis services.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If isolation methods are applied to all potentially malicious sites, then user protection is improved, but computing resource consumption increases
Solution Approach 1:
The system applies different isolation methods based on the specific characteristics and risk level of each URL. High-risk URLs trigger full isolation with browser mirroring and sandboxing, while medium-risk URLs receive partial isolation with monitoring only. This localized approach ensures maximum protection where needed while conserving computing resources for lower-risk cases.
Solution Approach 2:
The isolation method is dynamically adjusted based on real-time risk assessment. The system continuously monitors URL characteristics, user behavior patterns, and threat intelligence to dynamically escalate or de-escalate isolation levels. This dynamic adaptation allows the system to maintain strong protection while optimizing resource consumption based on actual threat conditions.
2Measurement precision
If comprehensive security analysis is performed on all links, then detection accuracy is improved, but processing time increases
Solution Approach 1:
The system performs preliminary analysis of URL characteristics, domain reputation, and content metadata before initiating full security scanning. This preliminary action filters out clearly benign URLs quickly while prioritizing suspicious URLs for comprehensive analysis, improving overall detection accuracy without uniformly increasing processing time for all links.
Solution Approach 2:
The security analysis process is segmented into multiple stages: preliminary classification, targeted scanning, and deep analysis. Each stage focuses on specific aspects of the URL and can be independently configured. This segmentation allows the system to perform comprehensive analysis only when necessary, maintaining high detection accuracy while reducing overall processing time through staged evaluation.
3Reliability
If browser mirroring is used for all requests, then user safety is improved, but network bandwidth consumption increases
Solution Approach 1:
Browser mirroring is applied selectively based on the risk profile of each URL and the user's security posture. High-risk URLs trigger browser mirroring to copy the browsing session to a sandboxed environment, while lower-risk URLs proceed normally. This localized application of browser mirroring maintains user safety for critical threats while minimizing unnecessary network bandwidth consumption.
4Reliability
If multiple security tools are deployed simultaneously, then protection effectiveness is improved, but device complexity increases
Solution Approach 1:
Multiple security tools and functions are merged into a unified security platform that coordinates their operations through a common risk assessment framework. The system combines URL Defense, phishing analysis, sandboxing, and browser mirroring into an integrated approach where tools share data and work together, improving protection effectiveness while reducing operational complexity compared to separate independent tools.
Data Source
AI summary
Aspects of the disclosure relate to dynamically controlling access to linked content in electronic communications. A computing platform may receive, from a user computing device, a request for a uniform resource locator associated with an email message and may evaluate the request using one or more isolation criteria. Based on evaluating the request, the computing platform may identify that the request meets at least one isolation condition associated with the one or more isolation criteria. In response to identifying that the request meets the at least one isolation condition associated with the one or more isolation criteria, the computing platform may initiate a browser mirroring session with the user computing device to provide the user computing device with limited access to a resource corresponding to the uniform resource locator associated with the email message.