Which data security measure is commonly used to protect research data?

Study for the Clinical Research and Ethical Considerations Test. Enhance your understanding with multiple choice questions covering essential ethical guidelines and research methodologies. Prepare effectively for your test!

Protecting research data relies on encryption at rest and in transit. Encryption turns readable information into unreadable ciphertext, and only those with the proper keys can convert it back. When data is encrypted at rest, stored files, databases, and backups remain protected even if a server is breached. Encryption in transit safeguards data as it travels over networks, preventing eavesdropping or tampering during transfer. Together, these practices provide robust confidentiality for data both while stored and during communication, which is why this measure is commonly used to protect research data. Other options would expose data or rely on weak or impractical practices—keeping data on a public server, sharing passwords, or using paper records only.