INTERIM. 3 Reasons Old Data is Still Valuable to Hackers.

• passwords are valuable because we don’t change them and use them on multiple account
• its data mining material to engineer more information about your identity
• a hacker can use 4 year old LinkedIn data for their own illegal purposes, and 4 years later sell it openly on the black market. 

IT Pro Portal | Why four-year-old data is more valuable than you think