The file was completely exposed - no encryption, no password protection, no security - just a plain text document containing millions of sensitive data entries.

Users of several social media platforms are being urged to reset their passwords following findings of a vast data breach in a recent Cybernews investigation.

One of the key risks of a data breach this big is how easily cybercriminals will be able to access multiple accounts, especially for those who reuse passwords. A survey from NordPass indicates that as many as 62% of Americans, 60% of Brits and 50% of Germans admit to reusing passwords across multiple online accounts.