Odds are you check your email at least once every day. But who else might be checking your email as well? If your email isn’t secured then the answer is, anyone and everyone. Email allows us to communicate personal, corporate, and possibly sensitive classified messages. You can bet that classified messages undergo quite a bit of protection. Why shouldn’t you be able to secure your messages, too?
With PGP securing your email is easy and transparent. PGP, created by Philip Zimmermann in 1991, stands Pretty Good Privacy. PGP is used for signing, encrypting and decrypting emails to increase the security of email communications. That seems straightforward enough but how does PGP work?
PGP acts as a messaging proxy that resides between your email client and your email server.
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I recently upgraded my computer hardware due to aging components like AGP, 1GB of RAM, single-core processing, SATA 1.5GBs, and a power supply that lacked a few necessary power wires required for new components. That being said, I’m still stuck in the old world when it comes to operating systems. I use Windows XP Professional because I can’t afford to upgrade to Vista, I don’t want to learn Vista, and I have yet to find a reason to upgrade. A dual-boot system with Windows XP and Ubuntu 9.04 for every day computing is more than suitable for my needs.
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I was reading an article titled “It’s Our Time” by Randy V. Sabett in this month’s ISSA Journal while drinking my morning cup of coffee when I came across a paragraph discussing the annual Cryptographers Panel at the most recent RSA Conference held in San Francisco. Randy writes that the “annual Cryptographers Panel provided excellent insights, including Whit Diffie being ‘bullish’ on cloud computing and comparing it to the last game-changing technology (being radio).” This made me think for a moment about what exactly is cloud computing, why this would be a topic of discussion, and what connection security has to cloud computing.
So what is cloud computing? Wikipedia describes cloud computing as “a style of computing in which dynamically scalable and often virtualized resources are provided as a service over the Internet. Users need not have knowledge of, expertise in, or control over the technology infrastructure ‘in the cloud’ that supports them.” Wikipedia goes on to write “the term cloud is used as a metaphor for the Internet, based on how the Internet is depicted in computer network diagrams, and is an abstraction for the complex infrastructure it conceals.”
An excellent video from rPath explains cloud computing better than I would be able to with strictly text:
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