After Texas Tech raised concerns about the encryption of helmet communications, the Big 12 Conference announced on Thursday that its games have not been compromised by unencrypted frequencies.Per ESPN, Texas Tech contacted the Big 12 regarding its recent losses to Baylor and TCU to ensure that the integrity of the game was not affected.During a call with Big 12 athletic directors on Tuesday, Texas Tech athletic director Kirby Hocut brought up the issue after learning that the in-game communications could be located by anyone with a scanner who knew how to find the frequencies.In a statement on Thursday, Texas Tech said it accepted the results of the Big 12 review and would have no further comment.