Your cybersecurity perimeter is not fully guarded unless you add the DB25 Serial Port Lock to your program, because without it, anybody with opposing thumbs can get into your system. Hackers know how to determine which of the 25 pins is No. 1, and a connection can be devised using solder and wrap wire that can hack into a cable TV network: or a vital data communication system. Key and port locks NOT included Key and port locks must be the same color

• The Smart Keeper DB25 Serial Port Lock prevents unauthorized access to any 25-pin serial connection.
• Simple and effective solution to vulnerable DB25 serial ports.
• Requires two USB Port Lock Professional or USB Port Lock Essential.
• Requires at least one Lock Key Professional or Lock Key Essential.
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  Part No. CSK-PL10