DeepSeek does not appear to have robust methods in place for checking if an SSL certificate has been compromised. In fact, the app has been criticized for failing to validate SSL certificates, which makes it vulnerable to impersonation attacks and unauthorized access[1][3]. This lack of validation allows hackers to impersonate trusted servers and intercept sensitive information, such as login credentials and personal data[1].
To effectively check for compromised SSL certificates, organizations typically use a combination of manual and automated methods. Automated tools are particularly effective as they continuously monitor certificates for issues like expiration, configuration problems, and cryptographic weaknesses, providing real-time notifications for necessary actions[9]. However, there is no indication that DeepSeek employs such measures.
Instead, DeepSeek's vulnerabilities highlight a need for implementing proper SSL validation and certificate pinning to prevent impersonation attacks. This involves ensuring strict SSL validation protocols in the app's code and performing regular penetration testing to detect and fix SSL-related vulnerabilities[1]. Additionally, integrating tools like Splunk Enterprise Security could help monitor and analyze SSL/TLS certificates for potential threats[2].
In summary, DeepSeek does not seem to utilize robust methods for checking compromised SSL certificates, which poses significant security risks. Implementing robust SSL validation and leveraging automated monitoring tools would be essential steps to enhance its security posture.
Citations:
[1] https://www.appknox.com/blog/is-your-ai-app-safe-analyzing-deepseek
[2] https://www.splunk.com/en_us/blog/tips-and-tricks/detecting-certificate-abuse-with-splunk-enterprise-security-and-stream.html
[3] https://krebsonsecurity.com/2025/02/experts-flag-security-privacy-risks-in-deepseek-ai-app/
[4] https://www.wiz.io/blog/wiz-research-uncovers-exposed-deepseek-database-leak
[5] https://emilianodc.com/PAPERS/IJSN12.pdf
[6] https://securityaffairs.com/173666/data-breach/deepseek-db-exposed-highly-sensitive-information.html
[7] https://securityscorecard.com/blog/a-deep-peek-at-deepseek/
[8] https://projectdiscovery.io/blog/a-hackers-guide-to-ssl-certificates-featuring-tlsx
[9] https://faddom.com/ssl-certificate-monitoring-challenges-methods-and-best-practices/