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Sharp Ideas

Open Source, Future Technology, and the Web

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March 21st, 2008 · No Comments · information security

All your social networks are belong to us

Social networking has exploded in 2007 and 2008!

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Network visualization with dot and neato

December 22nd, 2007 · No Comments · information security

Dot and neato are two utility applications that are bundled with graphviz.  Dot is used for creating directed graphs, neato draws undirected graphs.

Using dot from the command-line couldn’t be easier.  Here’s a simple example:

dot -Tsvg -o fsm.svg

This creates an SVG image of the finite state machine (fsm) defined in the text file








Using neato is just as easy:

neato -Tsvg -o fsm.svg

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Network visualization with graphviz

December 22nd, 2007 · No Comments · information security

Graphviz, an open source application released by AT&T, is a handy tool for automatically creating graphical representations of directions (and undirected) graphs.






This capability is particularly handy when trying to get an understanding of the logical relationships within a social network.


Graphviz is well documented, and includes APIs for extending its use via Java, .NET, Perl, Python, and PHP.

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GFI Asia Pacific notes threats due to pod slurping

September 29th, 2007 · No Comments · information security

Here’s an interesting article from the technical staff at GFI:

Pod slurping - data security risks on your network

full story:

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