Tag: system

  • [Tool] Check if an email address is valid – the php way

    In an older post we talked about checking the validity of an email address. Now let’s make a php function to automate this task. We can use this type of validation to check for example if a user is using a correct address when registering for a service.

  • Attacking the lottery

    This is purely a theoretical attack on a lottery system. No magic combinations or generators, no syndicates or reading the stars, just a plain attack on the system. First of all, there are some perquisites. One will need an insider or more in order to carry out the attack, but this should not be a…

  • Attacking the lottery

    This is purely a theoretical attack on a lottery system. No magic combinations or generators, no syndicates or reading the stars, just a plain attack on the system. First of all, there are some perquisites. One will need an insider or more in order to carry out the attack, but this should not be a…

  • Attacking the lottery

    This is purely a theoretical attack on a lottery system. No magic combinations or generators, no syndicates or reading the stars, just a plain attack on the system. First of all, there are some perquisites. One will need an insider or more in order to carry out the attack, but this should not be a…