Recently a few users have begun violating the Xbox Live Code of Conduct by using an external application to maliciously disrupt the experience and sabotage characters of legitimate Borderlands 2 players on Xbox 360. Fortunately it’s easy to avoid this scenario.
After extensive internal testing, an update to prevent this disruption has been submitted to Microsoft and will be released as soon as possible. Until then, concerned Xbox 360 players of Borderlands 2 should consider playing online with trusted individuals in non-public sessions. This does not affect players on PC or PlayStation 3.
We also advise that before ceasing play, users always select "Save and Quit" from within the pause menu while their character is alive. If after the death of their character players find themselves at the main menu of Borderlands 2 instead of respawning in-game, be sure to immediately select "Continue" to resume playing as that character. via