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Wireless Security On The Hardware Side







Wireless Security On The Hardware Side

Wireless Security On The Hardware Side 06/21/2004 12:39 PM

While there have been a number of recent stories about WiFi security offered as a service, it looks like the hardware folks are getting back into the game. Infoworld is taking a look at two different new hardware-based methods to secure your WiFi surfing. One is the encrypted USB keychain from Red Cannon that got a lot of attention a few weeks ago. That's really designed to be useful if you're using someone else's (or just a public) computer and don't trust it. However, the more interesting device is a new WiFi card from Seclarity that apparently runs Unix (no details are given, and the Seclarity site doesn't seem particularly forthcoming on this) and encrypts all data before it leaves the computer. While more details would be nice, this certainly looks like it could be a viable alternative to software based security options that are available now. If automatically encrypting WiFi cards became more popular, it would seriously cut down WiFi security problems.




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Collaboration entails finding the right group of people (skills, personalities, knowledge, work-styles, and chemistry), ensuring they share commitment to the collaboration task at hand, and providing them with an environment, tools, knowledge, training, process and facilitation to ensure they work together effectively. This is challenging enough face-to-face in real-time. It's doubly difficult virtually and asynchronously. But there are examples of great music, literature, invention, scientific discovery and problem-solving that have come from such handicapped collaboration. How did they do it, and can you improve the likelihood of brilliant virtual collaboration by using the right tools and media?

Let's take a look at some of the alternatives:

Tool / Medium
Collaborative Advantages
Collaborative Disadvantages
Best Suited to Collaborative:
weblog
easy to post & comment; content is subscribable/ publishable
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harder to learn; can be easily sabotaged; inelegant appearance
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organization; defined membership; multiple collaborative tools
harder to learn; formality can reduce intimacy and level of participation
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There are three levels of collaboration based on duration of contact:
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  • Projects: Where you're in contact as often as necessary to complete a project.
  • Alliances: Where you're in contact in multiple conversations and on multiple projects, working together for an indefinite period of time.
A collaborative conversation may be provoked by an interesting or important idea or an urgent one-off need for information or assistance. Much of the time spent in business is consumed in consulting with others, in canvassing for ideas or suggestions or comments, and in making decisions on what something means or how to respond to it. These are generally quick, collaborative conversations. In large organizations these conversations are usually peer-to-peer (where trust is stronger than up or down the hierarchy), and as size increases further they tend to be more and more intermediated (one middle-manager recently told me that 70% of his e-mail and 50% of his telephone calls are of the "Who should I talk to about X?" variety). In smaller organizations, these conversations are more likely to draw on external networks, and to involve the use of today's clunky social networking tools like LinkedIn and eCademy. I have argued before that the next generation of social networking tools should include 'people-finders' that streamline and automate the process of finding the right person (inside or outside the organization) to talk to, so that more time can be spent on actual conversations with those people.

Once you've found the right person to converse with, if they're close and inexpensive to talk to in person, that's likely what you'll do. But what if they aren't? How do you quickly provide your Conversation Collaborators with the context they need to converse with you effectively when you can't put a chart or a piece of paper in front of them and brief them? Organizations have found that if the person you want to converse with face-to-face is more than two minutes walk (or elevator ride) away, the probability of you making the effort to converse with them in person drops precipitously.

If you have a blog, an audience, and a little time, your blog can serve this need well. Ask a question on a popular blog and you'll probably get an informed answer quite quickly (thank you readers!) Most businesses, alas, have few established blogs and even less time. Preferred conversation tools in business, when face-to-face is impossible, are now IM and the telephone -- with IM trumping the phone for its self-documentation, its suitability to multi-tasking, and because it's easier to browse than voice-mail, and the phone trumping IM if a lot of iteration is needed to provide context. White-boarding and document-sharing applications, awkward as they are, can be helpful additions to IM and telephone conversations if the participants are savvy enough to use them properly (most aren't) and if documents and graphics are needed to provide more context. E-mail is the increasingly unpopular fall-back.

Discussion forums are the ultimate tool of last resort for conversations, because of the disadvantages listed above. In most of the companies I am familiar with, they are only sporadically used and quickly grow stale.

A variety of tools have been developed for more enduring project collaborations and alliance collaborations. Because they tend to involve more participants than conversations do, the logistics get tougher and the effectiveness of these tools gets more challenging. And the threshold point for giving up on the viability of in-person collaboration rises dramatically. I think this is an absolutely critical point. It is the reason large corporations, with the internal resources (people and money) to sequester, have the capacity to collaborate more effectively than small corporations and loose, unfunded collaborative groups (though whether they use that capacity to advantage is another question entirely). Open Source project teams and alliances have pioneered low-budget, virtual, asynchronous collaboration, and are the role model to follow. But is the reason for this perhaps that Open Source collaborations are generally undertaken by exceptionally tech-savvy groups, very agile at using and even inventing their own collaborative tools to get the job done? They usually have a good GUI for the non-techie, but wade into the material and collaboration technology behind a lot of these groups and your head will start spinning. What about the other 95% of the population? If I want to set up a virtual collaboration team to design a model intentional community (with people I might end up spending the rest of the my life with) or to invent a post-capitalist economy (a large project if there ever was one), what tools and media should I use?

Wikis are one place to start -- a bit nerdy and physically inelegant but functional and not that hard to learn once you take the plunge. They are, however, asynchronous tools, which is a significant barrier to true collaboration.

There are some more robust collaborative 'spaces' for communities of interest and communities of practice to adopt, but some of the best 'groupware' (like Groove and Exchange and eRooms) costs money and requires considerable learning to use its different tools effectively. These tools generally also require a coordinator to invest a lot of time to setting up and managing the 'space'.

There are a variety of document-sharing technologies in the market, which allow several people to see a document at once and to 'take control' each in turn to change that document.

Ideally, using a combination of
  1. Skype (free global VoIP telephony),
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  4. Mindmapping or some similar session annotation tool (everyone can see what the group's 'scribe' has documented as the findings, decisions and next actions from the collaboration)
would be a close approximation to an in-person collaborative session. But that's a lot of technology to juggle on your screen, to hog and interfere with your bandwidth, and (if you opt for the more powerful tools in these categories) can also require some outlay of money. My experience has been (thanks in no small part to the valuable insights of online communication wizard Robin Good and Skypemaster Stu Henshall) that video-conferencing (seeing the people you're talking with online) is a "nice to have" not a "need to have", especially when bandwidth limitations force you to choose which applications to have running at any one time.

I am confident that, as bandwidth and processing power continue to expand, we will soon see:
  • A single, free, reliable, easy-to-use, professional-looking application that will provide what I've called Simple Virtual Presence -- the four applications listed above plus the option of videoconferencing (illustrated above), and
  • A simple, free, easy-to-use collaboration space where the results of the online collaboration sessions, and a library of relevant resources and links, are stored, with wiki-like capability so it can be maintained by any and all in the group.
Now that would be a real virtual collaboration environment.

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On the politech list, a thread of items from various listservs related to cybersecurity and the Democratic National Convention. In one item, reader Wes Morgan says,
I'm watching CNN's Headline News, and they run a story on security preparations for this week's Democratic Convention in Boston. They go on, at great length, about the extensive network of cameras--approximately 75 of them, scattered around various Federal buildings and convention sites--and make it a point to illustrate how the security force, with their wireless networks and handheld devices, can grab the feed from any of these cameras at the tap of a stylus.

So, they show one such device - with it's 802.11b card clearly identifiable - and show another agent viewing a webcam of the Boston Harbor shoreline - with the URL of the hosting site clearly readable. When talking about the cameras, they show several different cameras on different buildings, some of which seem fairly unusual in their architecture.

I now know that they're using 802.11b, and I know the name at least one system handling the webcam feeds, and (with a bit of reconaissance) I can probably determine the position of at least one camera. So much for cybersecurity; I can't believe that the Feds even let that stuff on the air, much less that they did so without obfuscating critical information. *sigh* What were they thinking?

Link, and here is a press release which states that DNC cops are using handhelds with (apparently) 802.11 to access law enforcement databases.
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