Exam 350-901 topic 1 question 181 discussion

Both pseudonymization and anonymization are methods of de-identifying PII, but the two techniques are distinct: Pseudonymization replaces the original PII with unique placeholders, pseudonyms, or reference tokens. Anonymization hides sensitive information through data masking (e.g., replacing it with blanks or Xs, scrambling the characters, substituting randomly generated information, etc.) https://www.integrate.io/blog/secure-pii-pseudonymization-how-to-do-it-right/#:~:text=Pseudonymization%20is%20a%20technique%20for,%2C%20a%20placeholder%20or%20pseudonym.)

C is correct. If you were responsible for encrypting the data and are the holder of the key, you have the ability to re-identify individuals through decryption of that dataset. In this respect, encryption can be regarded as a pseudonymisation technique. It is a security measure designed to protect personal data.

https://sl.bing.net/fMtpHTa8k4i

I asked ChatGPT and it answered B.

B and C both seem correct. I would choose C.

C is correct

Correct answer: B A pseudonym can be a number, letter, special character, or any combination of those tied to a specific personal data or individual and, therefore, makes data safer to use in a business environment. https://dataprivacymanager.net/pseudonymization-according-to-the-gdpr/

I go with B - see here: https://dataprivacymanager.net/pseudonymization-according-to-the-gdpr/ [...]Pseudonymization can be achieved using various methods like data masking, encryption, or tokenization.[...]