Cisco's ‘Application Centric Infrastructure' vs. SDN

Network Protocols and Security

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  • For VoIP, too many threats to count

    At Interop New York, a crew of experts discussed what security challenges VoIP creates and offered some helpful tips. One expert called VoIP technology a "moving target" for attacks. 

  • IP cloaking becoming a business necessity

    Just by browsing your competitor's Web site, you might be giving away your company's most guarded secrets. Experts offer advice for countering the subterfuge and keeping secrets safe. 

  • Don't believe the VoIP security hype

    The VoIP Security Alliance recently created a "Threat Taxonomy" outlining threats, and vendors are flooding the market with security products. What should companies be afraid of? 

  • High-risk flaws in Skype

    Attackers could cause a denial-of-service attack or launch malicious code by exploiting vulnerabilities in the Internet telephony software. But fixes are available. 

  • Group seeks to bolster VoIP security

    An industry coalition has published a lengthy list of guidelines to help identify and deal with threats against Internet voice communications systems. 

  • New Orleans CIO: VoIP, portals and Katrina

    New Orleans CIO Greg Meffert talks with about his most harrowing moments after Hurricane Katrina. 

  • McAfee launches bid to clean the cyberplumbing

    The antivirus firm said telecom companies can incorporate McAfee tools into their own service offerings under the Clean Pipes initiative. 

  • Cisco, Intel expand alliance with new wireless offerings

    The companies say their latest collaboration will make wireless networks more secure by giving enterprises greater control over user privileges. 

  • Is it time for a VoIP firewall?

    Some say enterprises may soon need a special firewall to thwart the malicious hackers, spoofers and other threats that can imperil VoIP and other SIP-related communications. 

  • VoIP security, PGP style

    Phil Zimmermann, cryptographer and creator of the popular Pretty Good Privacy (PGP) e-mail encryption program, is addressing what he deems a genuine need for IP voice encryption.

    Zimmermann last week unveiled Zfone, a prototype VoIP encryption a...