Dr Mark Gasson, from the University of Reading has had a virus infected computer chip implanted in his arm. Tests proved this virus could spread to external control systems wirelessly. The BBC who initially reported this proof-of-concept ‘infection’ stated that Dr Gasson admitted that the test is only proof of concept but believe that there are [...]

I recently discovered Ubuntu has home directory permissions default to world readable. In other words, any unprivileged user, including guests users, are able to access and read the home directory data for any other user. For those who store sensitive information on a multi-user computer, this can be a significant security problem or at least [...]