Just got this email from Costco and Rhino Metals today: June 22, 2012 Important Security Announcement Dear Costco Member: Costcos records indicate that you purchased a Bighorn gun safe between July 2009, and June 2012. We hope you are enjoying the quality of your Bighorn safe, and we appreciate your trust and loyalty to our products. As part of our ongoing quality control program, Rhino Metals, Inc. has determined that certain models and serial numbers of these safes are vulnerable to a particular type of attack that we feel you should be protected against. We have developed a simple remedy that only takes a few minutes. If your safe is one of the models listed below and falls with the serial number or purchase date ranges indicated below, your safe requires this remedy to eliminate the vulnerability. Model Costco Item No. Last 8 digits of serial number Bighorn Classic 19ECB 569035, 576060 11040001-11040850, 11050001-11051100, 11060001-11060070,11090001-11091108,11101009-11103224, 11120001-11123506, 12010001-12011295, 12030001-12030340 Bighorn Classic 24ECC 509685, 512388 All Bighorn Classic 32ECC 510937, 512295 All Bighorn Classic 5928EC 443784 All Bighorn Classic 5928ECBS 603783 All Bighorn Classic 5928ECBS-L 664318 All Bighorn Classic 5928ECC 533512, 536926 All Bighorn Classic 5928ECC-SPL 533512, 536926 All Bighorn 6030 399366 10020001-10020210, 10050001-10050060, 11010001-11010220, 11040001-11040260, 11060001-11060210, 11090001-11090260, 12010001-12010210, 12020001-12020260 Bighorn 6039 399367, 443071, 594655 10050001-10050040, 11030001-11030210,11070001-11070210, 11090001-11090240 Bighorn 7144 399370, 594653 10050001-10050100, 10100001-10100039, 10110040-10110200, 11030001-11030100, 11070001-11070200, 11110001-11110200, 12010001-12010200 If your safe serial number falls within any of these number ranges, please visit http://www.rhinosafe.com/pe12.php for more information. You may also call our consumer support team at 888-751-4244, 24 hours a day/ 7 days a week. We are ready to assist you with any questions you have regarding this letter. When contacting consumer support, please have your safe serial number available to help speed the registration process. Once registered, we will send you, free of charge, the necessary part along with installation instructions. Please pass this letter on to any person to whom the safe may have been sold or given. For continued security, we urge you to take advantage of this product improvement program and apologize for any inconvenience. We thank you for supporting the Bighorn safe brand. Sincerely, Rhino Metals, Inc. http://www.rhinosafe.com/pe12.php Damn, mine is apparently one with a security issue. Filled out the online form, and they're sending me the fix instructions.