select the correct text in the passage. which phrase or phrases suggest a security issue in data mining…

select the correct text in the passage. which phrase or phrases suggest a security issue in data mining? travis often buys business books online. recently, he logged into the website to buy a marketing book. he noticed a part on the screen that recommended books based on his browsing history. due to this recommendation, travis could easily locate the book. a few days later, he found book recommendations from unknown sources. eventually, he started getting spam email from these sources.

select the correct text in the passage. which phrase or phrases suggest a security issue in data mining? travis often buys business books online. recently, he logged into the website to buy a marketing book. he noticed a part on the screen that recommended books based on his browsing history. due to this recommendation, travis could easily locate the book. a few days later, he found book recommendations from unknown sources. eventually, he started getting spam email from these sources.

Answer

Brief Explanations:

The phrases indicating security issues are those related to unknown - source recommendations and spam emails. These suggest unauthorized access to Travis's information and potential misuse.

Answer:

book recommendations from unknown sources, started getting spam email from these sources