Wednesday, 24 February 2010

Online security

Continuing with security this week - will review public key encryption then it's over to you... 4 groups checking out digital signatures/certificates, secure sockets, proxy servers and firewalls then sharing their findings.
What do these icons mean and can you find others yourself? (post comments please!)
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  1. Fiona24 February 2010 at 05:33

    John & Sam on Digital Signatures & Certificates: "like how you write your signature on paper, a digital signature is what you put on an email to say who you are"; "it's a stamp that's unique to the sender - hard to copy"

    Pawel on secure sockets: "a protocol to ensure that data is transferred securely, mainly uses TCP"

    Calvin on proxy servers: "a server that goes between computers that filters out certain things eg your IP address - can browse internet without using your own IP address". Also restricts what sites are accessible.

    Esther & Gordon on firewalls: "software that keeps hackers out of computers, can control/filter information"; "can set restrictions"; can also be hardware

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