Security alert [12/19/2016]: Ethereum.org Forums Database Compromised

On December 16, we have been made conscious that somebody had not too long ago gained unauthorized entry to a database from forum.ethereum.org. We instantly launched a radical investigation to find out the origin, nature, and scope of this incident. Here’s what we all know:

• The data that was not too long ago accessed is a database backup from April 2016 and contained details about 16.5k discussion board customers.
• The leaked data contains
  
  • Messages, each private and non-private
  • IP-addresses
  • Username and electronic mail addresses
  • Profile data
  • Hashed passwords
    
    • ~13k bcrypt hashes (salted)
    • ~1.5k WordPress-hashes (salted)
    • ~2k accounts with out passwords (used federated login)

• The attacker self-disclosed that they’re the identical particular person/individuals who recently hacked Bo Shen.
• The attacker used social engineering to achieve entry to a cell phone quantity that allowed them to achieve entry to different accounts, considered one of which had entry to an previous database backup from the discussion board.

We’re taking the next steps:

• Discussion board customers whose data might have been compromised by the leak might be receiving an electronic mail with extra data.
• We’ve got closed the unauthorized entry factors concerned within the leak.
• We’re implementing stricter safety tips internally similar to eradicating the restoration telephone numbers from accounts and utilizing encryption for delicate information.
• We’re offering the e-mail addresses that we imagine have been leaked to https://haveibeenpwned.com, a service that helps talk with affected customers.
• We’re resetting all discussion board passwords, efficient instantly.

In case you have been affected by the assault we advocate you do the next:

• Make sure that your passwords should not reused between providers. When you have reused your discussion board.ethereum.org password elsewhere, change it in these locations.

Moreover, we advocate this excellent blog post by Kraken that gives helpful details about the right way to defend towards all these assaults.

We deeply remorse that this incident occurred and are working diligently internally, in addition to with exterior companions to handle the incident.

Questions will be directed to security@ethereum.org.