Darknets

A darknet is any routed network which does not have visible servers/hosts, apart from a transparent machine which acts as a blackhole, i.e any packet sent to that network will be logged by the machine for further analysis. The network is dark because no traffic should have resulted naturally in its segments due to the fact that there is nothing interesting there. [...]

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Preventing CSRF

During the last couple of months a lot has been said about Cross-site request forgeries and how to prevent them. Before presenting my approach of dealing with this type of attacks, let’s have a look on what Cross-site request forgeries are, for one more time.

As I have discussed in the past, CSRF vulnerabilities occur on applications which allow every request that has a valid session identifier to be processed by the application business logic. This is bad for a number of reasons. [...]

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