Another concern about databases is the exposure of sensitive data. Regardless of whether you save credit card numbers, Social Security numbers, or other data, you still want to make sure your database is secure.
Although database security is beyond the scope of this book (and is not the responsibility of PHP developers), you can Encrypt your most sensitive data so that database security breaches don't have catastrophic consequences as long as the keys are not compromised. (For a detailed introduction to encryption, please refer to Appendix C of this book)
If you want to see the picture, please go to the technical documentation area to download the original chm
The above is the content of PHP security-data exposure. For more related content, please pay attention to the PHP Chinese website (www.php.cn)!