3Qs: When Web reviews aren’t what they seem

Crowd­sourced social media plat­forms such as Face­book and Yelp are increas­ingly being infil­trated by fake accounts and reviews that cloud the legit­i­macy of some online rating sys­tems. Assis­tant pro­fessor Christo Wilson dubbed this phe­nom­enon “crowd­turfing,” and he’s deter­mined to make these sys­tems more secure.

3Qs: Target’s security breach

Asso­ciate pro­fessor and cyber­se­cu­rity expert Engin Kirda dis­cusses the data secu­rity breach at Target last week that affected up to 40 mil­lion cus­tomers and how cyber­at­tacks have evolved in recent years.

3Qs: Analyzing the cybersecurity threat posed by hackers

Themis Papa­george, an asso­ciate clin­ical pro­fessor of com­puter and infor­ma­tion sci­ence, exam­ines the cyber­se­cu­rity threat posed by al-​​Qaida and Anony­mous, a global group of hackers.