This post explains some measures that you can take to prevent the MySQL cna12.dll attacks from infecting your MySQL server. It follows on from a previous post which explains the attacks. If you find that a cna12.dll file or a piress user account keep reappearing on your MySQL server, then read on. Continue Reading

Have you, or your anti-virus software, noticed a file called ‘cna12.dll’ on your computer? Have you suddenly found that you have an imaginary friend called ‘piress’ whom you didn’t know about? If so, you may have fallen victim to a MySQL attack (and ‘piress’ may not be so imaginary, nor friendly for that matter). Continue Reading