Treyarch is committed to providing all gamers with the best online experience possible, and that means maintaining the game’s integrity. We have a zero tolerance policy against exploitation, and this is to protect the many gamers who go online to compete and have legitimate fun.

The team at Treyarch has worked very hard to create a fun, competitive online environment, and we want to keep this environment clean so that the game can be played as it was intended. Users who abuse the game through modding, boosting, glitching or making offensive emblems degrade the online experience for others, and we will take action to prevent this from happening.

Bans cannot be appealed.

Keep it clean. Play nice. Have fun.

Thanks

- Team Treyarch

CALL OF DUTY: BLACK OPS - SECURITY & ENFORCEMENT POLICY
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Modding

Users who have modified their hardware and have run hacked script or code. This includes modifying profile data to use illegal characters in a player’s name.

Instant permaban. You will no longer be allowed to play the game online. Console users who modify their hardware or profile data will also be reported to the console manufacturers.
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Boosting

Users who organize to exploit the game for the explicit purpose of ranking up very quickly or to appear in a high position on the leaderboards.

• Minor offense: Temp ban, complete stats reset, leaderboard entries removed once
  
  
• Major offense: Temp ban, complete stats reset, permanent ban from appearing on the leaderboards.
  
  
• Extreme or repeat offenses: Permaban from playing the game online.

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Glitching

Users who go out of their way to exploit the game to grief other players. An example would be going outside of the map’s clearly defined playable boundary.

• Minor offense: Temp ban from playing the game online
  
  
• Major offense: Extended temp ban from playing the game online.
  
  
• Extreme or repeat offenses: Permaban from playing the game online.

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Unsupported Peripheral Devices

Users who utilize a hardware device / peripheral that is not officially licensed or otherwise supported by console manufacturers which gives a player an unfair advantage over opponents. This includes, but is not limited to, modded controllers.

• Minor offense: Temp ban from playing the game online.
  
  
• Major offense: Extended temp ban from playing the game online, complete stats reset.
  
  
• Extreme or repeat offenses: Permaban from playing the game online.

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Offensive Emblems

Users who create emblems that are sexually gratuitous or racially offensive.

• Minor offense: 2-week ban from using the emblem editor, emblem reset to default, emblem purchases wiped.
  
  
• Major offense: Permanent ban from using the emblem editor.

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Pirating

Any user who illegally acquires Call of Duty: Black Ops content will receive an instant permaban from playing the game online and will be reported to the console manufacturers. PC users on Steam will be reported to the Steam enforcement team.
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Original post - http://community.callofduty.com/message/106042032

Activision Support - http://support.activision.com/pkb_Home?clickedOn=Black_Ops

Treyarch's PC Support Twitter - https://twitter.com/pcdev

Thanks everyone.