|
In
past editorials we have talked about the 15 criteria we have developed
for “e-meetings,” one of which is security. E-meetings, unlike a
web conference, are usually small and intensely interactive and
both the content and the interaction need a higher level of security.
But what do we mean by security? Is supporting SSL really secure?
What about implementing a password to get into an interaction? Different
vendors in this space seem to define “secure” differently.
(David Coleman)
The Risks of Web Conferencing
Web Conferencing really extends some of the security risks an organization
already takes rather than creating any new ones and these vulnerabilities
are specific to its architecture and usage patterns. So what are
some of the common risks?
- Stolen critical or confidential information:
projected financials or sales figures, human resource records,
trade secrets, and product specifications.
- Compromised Systems : collaborative systems
require content and often are integrated with other enterprise
systems that supply that content. These overlapping systems make
the whole enterprise network vulnerable to a hacker “denial of
service” attack, and worse enable a hacker to use this system
as a springboard into the corporate network.
- Fraudulent Use: Applications like Web Conferencing
are often configured to provide maximum access, even in a public
environment. This can lead to abuse and fraud by former employees,
or the ability of those not authorized to use the account and
even worse, steal data.
- Disrupted Meetings: There is nothing worse
than someone out of the blue stumbling into your meeting and disrupting
it with inane questions. We have all had this happen to us on
a cell phone. Imagine what it would be like if it happened in
a critical product planning or budgeting meeting online. Not only
is the data compromised but the interaction (meeting) itself is
now suspect.
E-Meeting Vulnerabilities
In any e-meeting, there are two aspects that require security:
content and interactions between people. There are six basic areas
of vulnerability for an e-meeting:
- Physical (i.e. where the server is hosted and
who might have access to it)
- Architectural (i.e. what is the software architecture
of the application and how do its features and functions make
it more or less vulnerable)
- Infrastructural (i.e. is it inside or outside
the corporate firewall, the OS it sits on, relevant standards,
network design, firewalls, DMZ, WAN, VPN, etc.)
- Access – People : (who are workers allowed
to interact with and when and how)
- Access- Content : (what content are participants
allowed to see or change)
Administrative - how does the e-meeting system
integrate with a corporate directory, what are the policies for
changes and additions to attendees and who can make them? Is there
an audit trail for this? For an e-meeting to be secure, at what
level does a vendor need to implement security? Is password protection
enough, or does everything have to be encrypted?
Instant Messaging and Web Conferencing
Not all meetings support Instant Messaging, but those that do increase
the vulnerability for their companies. Many enterprises have policies
on the use of consumer-based IM systems like AIM, Yahoo, and MSN,
but a recent IDC report notes that by 2005 over 70 percent of corporate
employees will be using one or more of these systems. Viack, Linqware
and FaceTime offer solutions for IM security and management. Viack,
for instance, offers end-to-end encryption, but you must use its
proprietary IM. LinqWare's Collabrix uses the Citrix MetaFrame infrastructure
for additional security. And FaceTime bridges across all popular
public and private IM systems and supports security through granular
management.
Along with IM come critical functions for e-meetings: “presence
detection,” instant interaction and the ability (with Linqware)
to find expertise based on the way the presence list is grouped
and set up.
Critical Conferencing Situations
Below are a number of scenarios that deal with critical data, for
which a security breach would be disastrous.
- A defense contractor discussing product specifications with
a military agency
- Employees of a pharmaceutical firm discussing clinical trial
planning and logistics with contractors and hospitals in parts
of the world that will host the trials
- A financial advisor reviewing account data and investment strategy
with a client
- The VP marketing sharing competitive data on a new product with
the sales force
- A legal team discussing trial strategy, exhibits and depositions
with a client
- An investment banker working with an executive of a firm targeted
for acquisition by the bank's client company
Deal With It!
The above scenarios require collaboration because of short cycle
times, cost or both. There are two ways to deal with security for
e-meetings and web conferencing and both have the same general solutions:
behavior (policy) and technology. Below, we have suggested ways
to deal with each specific risk detailed above.
- Stolen Critical or Confidential Information:
Make it a policy that this information is on a “need-to-know”
basis and keep a list of who has access to it. Often, a web conferencing
service will post a client company's data to a public web site
and host the content and the meeting from that site on a shared
Internet server, increasing the risk of information theft. Although
you don't need your web conferencing server to be located in-house
to be secure, it is ideal to deploy conferencing on a dedicated
server on a company's own network, regardless of where the equipment
resides. Another alternative, albeit less secure, is to arrange
for a hosted service to host your critical data on a separate
server.
- Compromised Systems: It is much harder for
a hacker to compromise a standalone system and the damage done
is generally much less. The downside is that it may be more difficult
for users to get to the system and to place content into it, which
may lower usage. With a hosted web conferencing service your IT
group can do a security audit, even using a “friendly” hacker
to check for vulnerabilities before committing critical data to
it. For IT organizations it is critical to maintain control of
the architecture and how the technology is implemented.
- Fraudulent Use: This is more of a nuisance,
but in one instance a law firm using a hosted service on the publicly
available Internet had a lurker who stayed in the session after
the meeting ended and was able to access the law firm's web conferencing
account, holding meetings for days afterward. It's critical to
enact policies that clear and shut down a meeting at its conclusion.
Also, the extended use pattern in the above story should trigger
an alarm to an administrator.
- Disrupted Meetings: Isolating the meeting
system is one way to avoid disruption. Using a directory for authentication
as well as role and name-based access and password protection
for a critical e-meeting should ensure that no one wanders into
your web conference.
Best Practices in e-Meeting Security
- Determine usage and security scenarios and make sure your network
(or the hosting service) and architecture support these scenarios.
- Use Standards such as SSL, HTTP, and T.120, which can create
behavioral conventions that, combined with the standards, lead
to safer meetings
- Isolate critical meetings
- Consider deploying web conferencing servers both inside and
outside the corporate firewall to address the individual security
requirements for each e-meeting, from the most secure to the most
public
- Don't publish all meeting titles on a server where anyone can
see them
- Authenticate web and audio conference access, preferably tied
to a directory, for easier maintenance and to set security policies
by company or selected groups
- Authorize attendance: this pre-validation will significantly
prevent attacks
- Limit authentication attempts: To prevent brute force hacking,
allow only three attempts to access an account, and then lock
it and notify the administrator.
- Use role or name-based access. A meeting host might be able
to edit documents or content shown in a meeting, while other attendees
have read-only access. Or the scribe might have access to the
“notes” feature, while others do not and cannot to see the “notes”
until the meeting report is published.
- Determine who can access content before, during and after the
meeting
- Secure the transmission: use SSL encryption. Vendors like Viack
ensure full end-to-end encryption. Latitude supports private network
(whether on-premise or off-site) hosting and a VPN for access,
and stronger encryption for transport.
- Monitor and manage meetings: study meeting activities for anomalous
behaviors. Use real-time reporting to identify and collect data
dynamically and see usage patterns as they happen. Set security
alerts to notify administrators immediately.
For an e-meeting to be successful, it is important to strike the
right balance between collaboration and security. Although nothing
can be made absolutely secure, with prudent policies and good technology,
you can make illegal access at least “ very difficult.”
Rick McConnell is Chief Executive Officer at Latitude Communications,
a leading provider of fully integrated “on-network” web and voice
conferencing solutions for enterprises that make remote collaboration
as productive as meeting in-person. Customers choose Latitude's
flagship solution, MeetingPlace ® , for its “on-network” deployment,
which allows them to use their own networks to deploy conferencing,
regardless of whether the system is located in-house or is hosted.
This deployment, along with seamless integration with desktop applications
such as Outlook, results in cost savings, security and ease of IT
management. Contact Latitude at info@latitude.com
or 800-999-7400.
David Coleman is the Founder and Managing Director of Collaborative
Strategies LLC (CS) and the editor of " Inside Collaboration
". CS is the leading analyst firm covering collaboration
technologies and its use. Serving both vendors and end-users of
these technologies, CS provides a variety of publications and services
that help these populations in being more successful in selling
or using collaboration technologies. Collaborative Strategies can
be reached by e-mail at davidc@collaborate.com
, or by telephone at 415/282-9197.
Collaborative Strategies makes every effort
to bring you timely, accurate information on collaboration and knowledge
management. However, we are part of a rapidly evolving market ourselves
and events occur during the publication of this newsletter every
month that we do not become aware of or that happen post-production.
If you know of such events please contact us at davidc@collaborate.com
so we can note these key events in the next edition of this newsletter.
|