Facebook's data protection breach
Over 87 million Facebook users had their data shared with Cambridge Analytica, a political consultancy. Though the most worrying revelation was that Facebook decided to remove a feature that enabled others to search for someone using their telephone number.
The issue is that this feature has been abused for a number of years due to personal data being scrapped from millions of public profiles. Abuse such as this can lead to serious repercussions, according to security expert, Ken Munro.
Read more on BBC News.