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Person in a plague doctor mask holding a syringe, illustrating SQL injection

Security

Increase in SQL injection attacks

Summer vacation's over? In August 2014 I noticed a huge increase in SQL injection attacks on various websites. These are their characteristics.


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Person in a plague doctor mask holding a syringe, illustrating SQL injection

Security

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MySQL sleep() attacks

How not validating PHP user input leads to MySQL sleep() injection attacks that hang your database server, and how to fix and clean it up.