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What are the potential risks of hardcoded encryption keys in DeepSeek


The use of hardcoded encryption keys in DeepSeek's applications poses several significant risks to user data security and privacy. Here are some of the potential risks associated with this practice:

1. Data Exposure and Interception: Hardcoded encryption keys can be easily extracted from the application's source code, allowing unauthorized parties to access and decrypt sensitive data. This is particularly concerning for DeepSeek, as it collects extensive user and device data, including keystroke patterns, which are transmitted to servers in China[1][3][4]. The use of outdated encryption algorithms like 3DES further exacerbates this vulnerability, as these algorithms are known to be insecure[1][3][9].

2. Lack of Key Rotation: Once hardcoded keys are exposed, they cannot be easily changed. This means that even if the vulnerability is discovered, the keys remain compromised until the application is updated, which can take time. This inability to rotate keys quickly increases the window of vulnerability for data breaches[2][8].

3. SQL Injection and Database Risks: DeepSeek's applications also face SQL injection risks, which can allow attackers to manipulate database queries. When combined with hardcoded encryption keys, this could enable attackers to access and decrypt sensitive user records stored in the database[1][4][7].

4. National Security and Data Sovereignty Concerns: The transmission of user data to servers linked to Chinese state-owned entities raises concerns about data sovereignty and national security. The involvement of ByteDance, the parent company of TikTok, further complicates these issues due to China's data governance practices, which may include warrantless surveillance[1][3][7].

5. Insecure Data Storage: DeepSeek's insecure storage practices, including the insecure storage of usernames, passwords, and encryption keys, increase the risk of credential theft. This can lead to unauthorized access to user accounts and further compromise sensitive information[3][10].

6. Behavioral Profiling: The collection of keystroke dynamics and other user behavior data can be used to build detailed profiles of users. This raises privacy concerns, especially when such data is transmitted to entities that may use it for tracking or surveillance purposes[1][4].

In summary, the use of hardcoded encryption keys in DeepSeek's applications significantly increases the risk of data breaches, unauthorized access, and privacy violations. These risks are compounded by the app's extensive data collection practices and its connections to entities with potential national security implications.

Citations:
[1] https://ssojet.com/blog/security-and-privacy-risks-in-deepseeks-android-app-insights-from-experts/
[2] https://www.ubiqsecurity.com/exploring-cwe-321-use-of-hard-coded-cryptographic-key%EF%BF%BC/
[3] https://blog.devolutions.net/2025/02/cybersecurity-newsflash-researchers-find-security-vulnerabilities-in-deepseek-for-ios/
[4] https://www.bankinfosecurity.com/security-researchers-warn-new-risks-in-deepseek-ai-app-a-27486
[5] https://breachforce.net/exploiting-exposed-encryption-keys
[6] https://oit.utk.edu/news/the-dangers-of-using-deekseek/
[7] https://securityscorecard.com/blog/a-deep-peek-at-deepseek/
[8] https://docs.guardrails.io/docs/vulnerability-classes/hard-coded-secrets
[9] https://krebsonsecurity.com/2025/02/experts-flag-security-privacy-risks-in-deepseek-ai-app/
[10] https://www.nowsecure.com/blog/2025/02/06/nowsecure-uncovers-multiple-security-and-privacy-flaws-in-deepseek-ios-mobile-app/