What are the potential security risks associated with using GUID activation for program access?

Using GUID activation for program access can pose security risks if the GUIDs are not securely generated and stored. If an attacker is able to obtain or guess a valid GUID, they could potentially gain unauthorized access to the program. To mitigate this risk, it is important to use strong encryption methods to generate and store GUIDs securely.

&lt;?php
// Generate a secure GUID using random_bytes() function
$random_bytes = random_bytes(16);
$guid = vsprintf(&#039;%s%s-%s-%s-%s-%s%s%s&#039;, str_split(bin2hex($random_bytes), 4));

// Store the GUID securely in a database or file
// Ensure proper access control measures are in place to protect the GUIDs
?&gt;

What are the potential security risks associated with using GUID activation for program access?

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