Microsoft says hackers broke into its corporate email system and accessed the accounts of members of its leadership team, as well as those of employees on its cybersecurity and legal teams.

What appeared to be a lone hacker announced the breach after apparently tricking an Uber employee into providing credentials. It is not known how much data the hacker stole.

Federal prosecutors allege Uber's former chief security officer Joe Sullivan covered up the breach and arranged a $100,000 payment to the hackers.

Election manipulation, the recent Atlanta cyber security breach and Facebook hacks all prove computers are vulnerable. Atlanta is one of the fastest...