Wireless Network Security

  • August 08, 2006 08 Aug'06

    Network disaster recovery plan for avian flu threat

    A pandemic such as avian flu differs from other disaster recovery situations in that the network infrastructure stays intact -- it is not destroyed. The trick is to keep everything running smoothly on that infrastructure and to introduce tools that ...

  • August 08, 2006 08 Aug'06

    Top strategies to keep your network running in an emergency

    Experts outline the 14 most important things you can do now to ensure that your network provides users with the functionality they need in the event of an emergency or disaster.

  • August 04, 2006 04 Aug'06

    Cisco PIX security flaw possibility comes to light

    Details of an alleged flaw related to SIP and PIX appliances, briefly mentioned in a Wednesday Black Hat presentation, are being kept under wraps as Cisco and US-CERT investigate.

  • August 04, 2006 04 Aug'06

    Cisco security flaw under scrutiny

    Cisco continues to investigate a potential PIX firewall flaw, but it and other vendors say sharing security information quickly and indiscriminately is always the best policy.

  • August 03, 2006 03 Aug'06

    HP-Mercury deal sweetens systems management

    Although the short-term impact of HP's recent acquisition of Mercury is uncertain, some analysts say that users will in the long term have a more robust management system.

  • August 03, 2006 03 Aug'06

    Intel's Centrino gear vulnerable to attack

    Chip giant Intel says a trio of flaws may lead to remote code execution, privilege escalation and disclosure of security information. AV firms say the flaws could spawn a new wireless worm.

  • August 02, 2006 02 Aug'06

    Wireless cards make notebooks easy targets for hackers

    Black Hat: Experts say flawed wireless cards are an industry-wide notebook security problem, thanks to weak device drivers and vendors who ship products without proper testing.

  • August 01, 2006 01 Aug'06

    Cisco keeps the PACE with automated change management

    Cisco Systems Inc. yesterday announced a new suite of products to help network engineers and architects automate configuration and change management.

  • July 27, 2006 27 Jul'06

    Network management gets easier thanks to new standards

    Large or small, companies are faced with managing networks that, thanks to dropping hardware prices, are forever growing in size and complexity. Steve Rokov, marketing director for Avocent's embedded software and solutions group, spreads the word ...

  • July 26, 2006 26 Jul'06

    Network policy: 'No wireless' restriction enforced at Blue Cross

    Blue Cross of Idaho had a "no wireless" policy on paper but never really enforced it -- until a team of auditors said the company had better do something.

  • July 25, 2006 25 Jul'06

    Open source router challenges proprietary networking market

    Vyatta is taking on the midrange routing market, offering an open source enterprise routing alternative for companies seeking more flexibility than has traditionally been possible with proprietary routers. Yesterday, the San Mateo, Calif.-based ...

  • July 19, 2006 19 Jul'06

    Cisco's NAC play: Good for users, or just for Cisco's bottom line?

    Expert opinion on how subtle moves in Cisco's NAC department suggest that the company wants to be a major security player -- selling lots and lots of equipment in the process.

  • July 19, 2006 19 Jul'06

    Cisco NAC appliance secures enterprise networks

    Cisco NAC as a framework is a daunting task. But it was made easier with its latest NAC 4.0 appliance, which analysts say can ease the NAC transition for network engineers.

  • July 13, 2006 13 Jul'06

    News briefs: Cisco security facelift; new WAN probe; bandwidth management

    Cisco upgraded its Network Admission Control (NAC) appliance and rolled out two Adaptive Security appliance models. New WAN probe from Network Instruments provides historical analysis. Bandwidth-management tool introduced by Blue Coat.

  • July 06, 2006 06 Jul'06

    In the news: secure wireless LANs, virtual desktop management, managing network vulnerability

    Route1 offers an enterprise-based solution for virtual desktop management; NetClarity protects against network vulnerability; California school district rolls out state-of-the-art Trapeze WLAN, wireless network,Universal Service Fund for Schools ...

  • July 05, 2006 05 Jul'06

    NAC helps aerospace firm's network blast off

    Aerospace company EADS Astrium North America Inc. needs to prevent people without proper clearance from accessing sensitive data, something many network architects struggle with. They've employed an NAC solution from Lockdown to grant network access...

  • June 29, 2006 29 Jun'06

    Fast track to our Learning Guides, Crash Courses and FastFacts

    Here's a fast reference to our resources on networking and information technology training. You can find information on wireless technologies, networking certifications, routers, and more. If you know of a topic we should add here, please

  • June 29, 2006 29 Jun'06

    WAN optimization shines at The Sharper Image

    After a somewhat rocky start, The Sharper Image managed to create a near real-time data stream between its San Francisco headquarters and its Little Rock, Ark., backup site, with a little help from WAN optimization.

  • June 27, 2006 27 Jun'06

    Bandwidth for video over IP may skyrocket

    Video was a hot topic of conversation at the Cisco Networkers annual customer conference, with the uses for it as varied as the attendees. Several network architects and engineers are already experimenting with video and factoring it into their ...

  • June 22, 2006 22 Jun'06

    Is telepresence mature enough to be Cisco's next named top technology?

    Cisco is continuing a pervasive campaign to stay the stalwart No.1 course, pushing its aggressive market strategy and pinning short-term hopes on "telepresence," a cutting-edge videoconferencing technology.

  • June 22, 2006 22 Jun'06

    VoIP protocol insecurity

    Like many Internet protocols, SIP was designed with simplicity, not security, in mind. And, although H.323 was created to meet broader goals, security issues have plagued it as well. Expert Lisa Phifer examines some of the vulnerabilities in this ...

  • June 20, 2006 20 Jun'06

    NAC boosts security for Sun Microsystems

    Network Access Control has helped Sun Microsystems secure its network, despite advice from Burton Group analysts for network architects to hold off on NAC until the market matures and standards emerge.

  • June 15, 2006 15 Jun'06

    Managed DSL VPN cuts costs for risk management firm

    GAB Robins has hundreds of sites and bandwidth-intensive users and applications. When Frame Relay just wouldn't cut it anymore, the company's network architects went with a managed broadband VPN from virtual network operator Virtela.

  • June 14, 2006 14 Jun'06

    Cisco looks ahead with services aggregation vision

    At Interop Las Vegas, Cisco Systems Inc. announced several key enhancements to its 7200 Services Aggregation Router, boosting its capabilities to harness at headquarters the deployed base of integrated services routers (ISR) at branch offices.


  • June 06, 2006 06 Jun'06

    SSL VPN use fueled by security needs

    A poll of 250 small, midsized and large companies conducted by Infonetics Research found that security is still the biggest driver for deploying SSL VPNs.

  • June 01, 2006 01 Jun'06

    Security flap opens financial services firm's eyes

    Thomas Weisel Partners, a financial services firm, caught a bug; a worm really. But now they monitor network traffic more closely to ensure it doesn't happen again.

  • May 30, 2006 30 May'06

    Virtualization, Cisco chop one network into many

    Philips Research Laboratories already had a pretty impressive network, but when the Netherlands-based firm had to partition it and give a host of other companies access, that's when things got interesting.

  • May 25, 2006 25 May'06

    Raceway's secure wireless network is living life in the fast lane

    Laguna Seca raceway unwired the outdoors when it extended its wireless network outside, where it would handle the network needs of thousands of racers, TV crews, and fans in a secure, reliable environment.

  • May 24, 2006 24 May'06

    Net Intelligence

    A call for IPS, network behavioral technology consolidation

  • May 24, 2006 24 May'06

    Net Intelligence column: A call for IPS, network behavior consolidation

    Networking professionals stand to benefit from consolidation under way in the overcrowded security market as intrusion prevention providers, under competitive pressure to advance their application infrastructures, are integrating network behavioral ...

  • May 24, 2006 24 May'06

    Gartner: WiMax all hype, VoIP for real

    At its annual Symposium event, Gartner explained why over-hyped networking technologies like VoIP and MPLS will pan out and why WiMax and EV-DO are likely to flame out.

  • May 23, 2006 23 May'06

    Wireless security, easy-to-use VPNs, and global application acceleration top the news

    Network Chemistry launches index to highlight threats in the wireless space, while F5 upgrades FirePass with-user friendly enhancements. Meanwhile, Verizon Business is backing global application acceleration with aggressive SLAs.

  • May 22, 2006 22 May'06

    Nortel, Symantec team up on secure application switch

    Nortel Networks is releasing a new application switch with intrusion prevention from Symantec inside.

  • May 18, 2006 18 May'06

    Network analysis tool gives managers a 'heads up'

    NetScout recently rolled out a new network analysis tool that understands network behavior and presents managers with information when that behavior changes. UPS has been testing it out.

  • May 15, 2006 15 May'06

    Wired, wireless access control unified with HP ProCurve module

    HP ProCurve today announced a module to its 5300 switch that unifies the wired and wireless networks and makes them centrally manageable.

  • May 11, 2006 11 May'06

    Words to Go: VoIP

    This handy, printable glossary will assist you with terminology related specifically to voice over IP.

  • May 09, 2006 09 May'06

    NAC, IDS cure medical school's security woes

    UMass Medical School has courses on illnesses, but what happens if the network gets sick? The school has taken steps to ensure that won't happen.

  • May 04, 2006 04 May'06

    Security is the name of the game at Interop

    Messaging security was a hot Interop topic, rivaled only by every other aspect of security. Vendors rolled out wares to protect messaging systems and other points on the network.

  • May 01, 2006 01 May'06

    Wireless trespasser stopped dead in his tracks

    A security expert working at a California government office spotted an unauthorized person trying to bridge onto the wired network through a wireless NIC card. He put a stop to it.

  • May 01, 2006 01 May'06

    Cisco boosts speed, security of 7200 router

    Cisco has added three modular upgrades to the 7200 Series router, providing services aggregation at headquarters for the Integrated Services Router in branch offices.

  • April 27, 2006 27 Apr'06

    Secure LAN switch locks out threats

    ConSentry leads the pack with a switch that combines policy-based security technology with standard switching. Security threats are thwarted and contained at the network edge with combo gear.

  • April 24, 2006 24 Apr'06

    Shop Talk: Network security -- Calm after chaos?

    The road to the new network security infrastructure is bumpy and costly - but most likely well worth the trip for SMBs.

  • April 24, 2006 24 Apr'06

    Network pros sound off on open source

    Earlier this year, we asked for your input about using open source software and tools for networking tasks. I was thrilled to receive such an overwhelming response from our readership. Here are just a few excerpts:

  • April 24, 2006 24 Apr'06

    Gartner underscores five overblown threats

    Two Gartner analysts debunk five overhyped security risks they claim are causing companies to miss out on some key emerging technologies.

  • April 24, 2006 24 Apr'06

    WAN optimization market speeds up

    Dispersion, growth and consolidation are fueling a WAN optimization fire, causing the market to nearly double last year and positioning it to continue on that track.

  • April 23, 2006 23 Apr'06

    Weighing the costs of wireless network management

    Wireless devices may be getting less expensive, but the cost of managing those devices is rising. Before jumping into wireless network deployment, there are some things that SMBs need to know.

  • April 19, 2006 19 Apr'06

    Wireless IDS/IPS thwarts mall intruders

    Siemens yesterday announced the addition of IDS/IPS and location services to its HiPath wireless line, which the largest shopping mall in the world will use to secure its WLAN.

  • April 18, 2006 18 Apr'06

    Splunk + Nagios = quick data center troubleshooting

    A lack of prescience in Splunk's spunky search-based troubleshooting tool limited its usage to after-the-fact diagnosis. Adding Nagios, the mighty open source monitoring tool, puts Splunkers one step ahead in the data center troubleshooting race, ...

  • April 18, 2006 18 Apr'06

    News briefs: WildPackets, Cisco, FreeWave and Trapeze in the news

    WildPackets' Apdex rates the quality of user experience; Cisco released a multi-service module for Catalyst 6500 switches; FreeWave 900MHz radio provides a range of more than 60 miles; and Trapeze demos seamless mobility.

  • April 13, 2006 13 Apr'06

    Monitoring service gives companies "the upper hand"

    An Atlanta company turned to the Logix Resource Group for network monitoring and reporting after several frightening "bumps in the night."

  • April 10, 2006 10 Apr'06

    Auditor's office wards off potential wireless threats

    Because of its strict anti-wireless policy, the Washington State Auditor's Office needed a way to ensure that no one inside or outside could tap into the state network wirelessly.

  • April 06, 2006 06 Apr'06

    Service provider selects managed network monitoring

    A Bermuda telecommunication and IT service provider boosts visibility into the network with InteQ managed services, which can be used in concert with HP OpenView.

  • April 05, 2006 05 Apr'06

    Network tool stops security threats dead in their tracks

    Summary: Mu Security's new security analyzer tool puts developing products through a vulnerability torture chamber to identify zero-day threats.

  • April 04, 2006 04 Apr'06

    Networking Ask-the-Expert FAQ

    The Ask the Expert team receives dozens of networking questions every week, and sometimes it may take longer than you'd like to get a reply. Save yourself some time and review this list to see if your question has already been ...

  • March 31, 2006 31 Mar'06

    All-in-one anxiety

    Every time I read about some great, new all-in-one product, like a multi-service router, I get a little skeptical.

  • March 29, 2006 29 Mar'06

    Wireless 802.11 spec pushes enterprise networks forward News Editor Amanda Mitchell sits down with wireless guru Matthew Gast to chat about the impact of the 802.11 spec on enterprise networks.

  • March 28, 2006 28 Mar'06

    Data theft prompts firm to lock down, protect network

    After a disgruntled employee made off with several CDs' worth of critical data, a Michigan automotive data reseller realized it had to install better protection at the endpoints, not at the network core or perimeter.

  • March 23, 2006 23 Mar'06

    Wireless LAN brings old-school academics into modern times

    Loomis Chaffee School is more than 100 years old but it's also progressive, with its new state-of-the-art WLAN. The wireless network turns any space on campus into a classroom.

  • March 20, 2006 20 Mar'06

    WLAN revenue up for year, down for quarter

    Cisco took the lead in wireless LAN equipment revenue in 2005. Overall, the market for WLAN equipment was up 10% over the year before.

  • March 16, 2006 16 Mar'06

    Making the SSL VPN decision: What you should know and ask

    A renewed interest in SSL VPNs prompted Forrester Research to pose three deployment-determining questions to prospective buyers before they plunk down any cash.

  • March 15, 2006 15 Mar'06

    Could March Madness cripple the network?

    CBS Sports this week will offer all games of the 2006 NCAA basketball tournament online as streaming video. But if end-users tune in, the network could drop out.

  • March 09, 2006 09 Mar'06

    All-in-one, branch-office box ready to roll

    Cutting down clutter and costs in the branch office isn't always easy, but one vendor says it has a branch-in-a-box appliance that can take the place of several appliances and rival a few popular multi-function routers.

  • March 08, 2006 08 Mar'06

    Quote of the day

    Quote of the day

  • March 07, 2006 07 Mar'06

    Public security slip forces Georgia Capitol to lock down WLAN

    More than three years after a TV news crew exposed security flaws in the WLAN at the Georgia State Capitol building, the governor's office is trying again to go wireless.

  • March 02, 2006 02 Mar'06

    Staying apps aware keeps Continental in the air

    Three years after getting slammed by the SQL Slammer worm, Continental's network is secure. ConSentry Network's role-based provisioning technology keeps apps, users in check.

  • March 01, 2006 01 Mar'06

    Monitoring goes out-of-band

    A new data access switch from Gigamon boosts the number of SPAN ports on the network for out-of-band monitoring.

  • February 28, 2006 28 Feb'06

    Endpoint security threats meet their match

    Securing the network at every endpoint is changing with some new products that limit, prohibit and protect endpoints and users.

  • February 22, 2006 22 Feb'06

    Secure routers, Ethernet switches dominated in 2005

    A pair of studies by Infonetics Research shows that secure routers and Ethernet switches boomed last year

  • February 20, 2006 20 Feb'06

    Who do you trust?

    Should you go with just one vendor for end-to-end security? Editorial Director Susan Fogarty explores the wisdom of such a decision.

  • February 20, 2006 20 Feb'06

    RSA Conference expands network security options

    Security is top of mind, a fact revealed at last week's RSA Conference. Experts spoke about growing threats and how to avoid them while vendors released products to thwart attacks.

  • February 16, 2006 16 Feb'06

    Cisco unveils steps toward self-defending network

    In his keynote, CEO John Chambers touted product enhancements that advance his push for networks that can defend themselves without human intervention.

  • February 15, 2006 15 Feb'06

    Flood of NAC products toughens security decisions

    The continuing flood of network access control products is forcing networking pros to weigh all of the options before securing their networks.

  • February 14, 2006 14 Feb'06

    WAN accelerator boasts end-to-end security

    Tight security has made it more difficult to accelerate applications on the WAN, but Certeon hopes to smash through the security ceiling with its new appliance.

  • February 09, 2006 09 Feb'06

    SonicWall's e-mail security to stop spam

    SonicWall's acquisition of e-mail security vendor, MailFrontier, promises first-line defense against malicious spam attacks. MailFrontier's e-mail protection technology stops a threat at the enterprise door.

  • February 08, 2006 08 Feb'06

    New WLAN survey, analyzer tools kill dead spots

    AirMagnet this week announced a pair of tools it says can ease wireless site surveys and also find more than a dozen different devices that could be running interference, virtually eliminating dead zones.

  • February 06, 2006 06 Feb'06

    Network General buys Fidelia, boosts monitoring capabilities

    Network General has acquired Fidelia Technology Inc., a deal the companies say will boost monitoring and analysis capabilities at the network level and beyond.

  • February 03, 2006 03 Feb'06

    IM threats grow, response lags

    Reports from IMlogic and Akonix show that IM threats are growing while IT shops are behind in their preparedness. In fact, many firms are still totally unaware of just how much danger actually exists.

  • February 02, 2006 02 Feb'06

    WAN acceleration goes remote

    Remote workers have long been ignored in the WAN acceleration space, but one vendor is coming out with a tool to include them, which could also spark a new trend.

  • February 01, 2006 01 Feb'06

    Networking Nuggets: Wireless LAN scans, cheap VPNs, patch management and more

    Here rounds up some of the latest releases from various vendors.

  • January 30, 2006 30 Jan'06

    Property management company beefs up network security

    Enterprises could learn a lesson from Managed Services Inc., which rolled out wired and wireless network access to dozens of its properties nationwide, but in doing so found security could suffer.

  • January 25, 2006 25 Jan'06

    Tick, tick, boom: NAC market ready to explode

    By 2008, the market for NAC enforcement tools will see astonishing growth, hitting $3.9 billion, suggests an Infonetics study.

  • January 25, 2006 25 Jan'06

    Change can be a good thing according to configuration management vendors

    A facelift for AlterPoint's change and configuration management tool gives users more control of network-level compliance.

  • January 24, 2006 24 Jan'06

    Firm has NAC for network protection

    A financial information and research firm locks down their network from remote threats with help from a NAC tool by InfoExpress.

  • January 19, 2006 19 Jan'06

    Feature: Companies tuning out critical alerts

    Like a barking dog or leaky faucet, network pros are tuning out alerts from monitoring and analysis tools because of how many false-positives and non-critical warnings they receive.

  • January 17, 2006 17 Jan'06

    Analyst debunks network QoS myths

    QoS is sometimes a necessary evil. But despite a decade in use, many network pros are baffled by it. Here, analyst Robert Whiteley debunks the biggest network QoS myths.

  • January 12, 2006 12 Jan'06

    Whale hybrid VPN harpoons market

    Whale Communications and Microsoft have teamed up to roll SSL VPN and IPSec VPN into one appliance, and the CIO of Regis University says he can't wait to add it to his network.

  • January 11, 2006 11 Jan'06

    Cisco Spotlight Series: Philanthropy gets plenty of bandwidth

    The need for charitable giving has perhaps never been greater than in 2005, when earthquakes, tsunamis, hurricanes and other events took a tragic toll on millions around the world. Though the tragic events have passed, the need for giving continues ...

  • January 09, 2006 09 Jan'06

    Report: Converged networks spur IP VPN growth

    Voice, video and other real-time, mission-critical applications are prompting companies to ditch their old VPNs and migrate to an IP VPN, according to a study by In-Stat/MDR.

  • January 03, 2006 03 Jan'06

    Survey: Managers crave automated management tools

    A recent survey by Uplogix found 70% of IT executives want automated control over fault diagnosis and recovery tools.

  • December 22, 2005 22 Dec'05

    How's it looking next year? Pretty good, says Cisco

    The pre-2006 word from Cisco is the IT spending lull is petering out. The challenge ahead is getting users to learn to spend money again after so many years of serious belt tightening.

  • December 21, 2005 21 Dec'05

    2005 news in review

    It's been a heck of a year. Here we compile the 10 most read news stories from our three sites --, and -- for the year 2005.

  • December 19, 2005 19 Dec'05

    Study: Network security market to reach $6 billion

    A pair of studies by Infonetics Research Inc. says the network security market recently topped $1 billion and in the next two years that will increase six-fold.

  • December 15, 2005 15 Dec'05

    NAC in Interop spotlight

    Network access control appliances are gaining steam, experts and vendors said. And with the focus on security turning to the network level, NAC is also becoming a necessity.

  • December 12, 2005 12 Dec'05

    Cisco gives experts-to-be a practice run

    Cisco today unveiled the first-ever practice tool for potential CCIE test takers. The four-hour, Web-based practice test closely mimics the extremely challenging lab test and gives test takers performance feedback.

  • December 08, 2005 08 Dec'05

    Application-aware networking to be Cisco's next big play

    Sluggish response times spur Cisco to tackle application-aware networking. The company is seeking the No. 1 market position with its new Application Networking Services.

  • December 05, 2005 05 Dec'05

    Cisco offers gear trade-ins, incentives

    Aging equipment and advancing technologies have fueled the need for network upgrades. A program offered by Cisco hopes to ease the financial pain of the transition.

  • December 01, 2005 01 Dec'05

    Cisco 'leapfrogs' in WLAN switch ranking

    Coming off its purchase of Airespace earlier this year, Cisco is breathing down Symbol's neck in the race to be the WLAN switch leader.

  • November 29, 2005 29 Nov'05

    Cherokee Nation sniffs out, snuffs WLAN troubles

    From the comfort of his truck, Jon James has found rogue and unsecured access points and has found out what is causing interruptions on the WLAN in Cherokee Nation.

  • November 17, 2005 17 Nov'05

    Voices of Authority: 'New rules' for networking, telecommunications

    Experience is the best teacher, but in networking it can be just as beneficial (and a lot less painful) to learn from the wisdom of others. In our special series, you'll hear from both practitioners and pundits about how to make the most of your ...

  • November 16, 2005 16 Nov'05

    Cisco introduces unified LAN, wireless mesh

    Cisco made truth of the rumors yesterday, introducing new WLAN products and spinning its own web of wireless mesh.