Is the transport of sensitive data encrypted using security protocols/algorithms (e.g., system-to-client)?
Explanation
Encryption in transit is the subject here: reviewers want confirmation that sensitive data is protected as it moves between systems, such as from your servers to a client's browser or mobile app.
In technical terms, this refers to 'data in transit' encryption, which protects information as it moves across networks. Without encryption, data could potentially be intercepted and read by unauthorized parties in what's known as a 'man-in-the-middle' attack.
The question specifically mentions 'security protocols/algorithms' which refers to encryption standards like TLS (Transport Layer Security), SSH (Secure Shell), or HTTPS (HTTP Secure) that are used to create encrypted connections.
This question is being asked in a security assessment because protecting sensitive data during transmission is a fundamental security practice and is required by many compliance frameworks (like HIPAA, PCI DSS, GDPR). Assessors want to verify that you have appropriate safeguards to prevent unauthorized access to data while it's being transmitted.
When answering, you should:
- Clearly state whether you do encrypt sensitive data in transit
- Specify which encryption protocols you use (e.g., TLS 1.2/1.3, HTTPS)
- Mention if this applies to all systems or if there are exceptions
- Note any relevant policies that govern this practice
- Include information about how you enforce or verify this encryption
Example Responses
Example Response 1
Yes, all sensitive data transported between our systems and clients is encrypted using industry-standard protocols We enforce TLS 1.2 or higher for all web traffic using HTTPS, with modern cipher suites that meet NIST guidelines Our API endpoints only accept encrypted connections, and we regularly scan and test our TLS configurations using tools like SSL Labs For file transfers, we use SFTP with key-based authentication Our security policy mandates encryption for all sensitive data in transit, and we validate compliance through regular security assessments and continuous monitoring.
Example Response 2
Yes, we encrypt all sensitive data during transport using multiple security protocols For web-based access, we implement HTTPS with TLS 1.3 across all our applications and services Our mobile applications use certificate pinning to prevent man-in-the-middle attacks For internal system-to-system communications, we use mutual TLS authentication to ensure both endpoints are verified Database connections utilize TLS encryption with strong cipher suites We maintain a formal encryption standard that defines minimum requirements, and we conduct quarterly reviews of our encryption implementations to ensure they remain current with industry best practices.
Example Response 3
No, we currently do not encrypt all sensitive data during transport While our primary web application uses HTTPS for customer-facing interfaces, some of our internal system-to-system communications still use unencrypted protocols for legacy reasons We recognize this as a security gap and have developed a remediation plan to implement TLS 1.2+ encryption across all communication channels by the end of Q3 this year In the interim, we've implemented compensating controls including network segmentation and strict access controls to minimize risk Our security roadmap prioritizes completing this encryption initiative as a critical objective.
Context
- Tab
- Product
- Category
- Data
Related questions
- Will the institution's data be stored on any devices (database servers, file servers, SAN, NAS, etc.) configured with non-RFC 1918/4193 (i.e., publicly routable) IP addresses?
- Is the storage of sensitive data encrypted using security protocols/algorithms (e.g., disk encryption, at-rest, files, and within a running database)?
- Do all cryptographic modules in use in your solution conform to the Federal Information Processing Standards (FIPS PUB 140-2 or 140-3)?
- Will the institution's data be available within the system for a period of time at the completion of this contract?
- Are ownership rights to all data, inputs, outputs, and metadata retained even through a provider acquisition or bankruptcy event?
- Do backups containing the institution's data ever leave the institution's data zone either physically or via network routing?

