Major phone manufacturer Nokia suffered a data breach more than six years ago that led cybercriminals to demand a ransom of a few million dollars. Alarmingly, the criminals stumbled across the mobile Symbian operating system's encryption key, and threatened to make the source code public. Nokia quickly paid the ransom.
Coordinating with the Finnish police, Nokia officials made the drop in central Finland, but authorities lost track of the criminals. It's a felony blackmail case that is years old, but police haven't said if they have new leads in the investigation.
Following a drop in Symbian dominance, Nokia later switched to Microsoft Windows Phone OS - and the U.S. based company purchased the Finnish handset manufacturer in early 2014 for $7.6 billion.