In the Reading Assignment $$Security and Privacy in the Era of Big Data$,$ the article discusses $4$ main challenges to data security with the implementation of Big Data. Which of the below was NOT one of those challenges?

Question $24$Select one:

Lack of effective tools and approaches for securely managing large$-$scale data

Third Party data sharing

Skills of third$-$party hackers

Vulnerabilities in ever$-$expanding public databases

Technology advances that are outpacing policies