CoreCom writes monthly columns, presents webinars, and answers reader
questions for these TechTarget publications.

Wireless Questions and Answers

As a site expert for SearchNetworking, Lisa Phifer answers reader questions here:

• Wireless Networking Questions

Have a question for Lisa? Send it to her here.

Tutorials and E-Guides: 802.11n Wireless

These E-Books and E-Guides explore enterprise concerns regarding the benefits
of upgrading to 802.11n wireless and offers advice and insight into securing and
managing these bigger, faster, more robust WLANs.

• IT Decision Checklist: Upgrading to 802.11n
• WLAN Vendor Q&A responding to Checklist
• E-Guide: Choosing enterprise WLAN equipment
• E-Guide: Integrating wired and wireless to support real-time apps
• Tutorial Part 1: Deploying 802.11n for improved WLAN performance
• Tutorial Part 2: 802.11n WLAN design best practices
• Tutorial Part 3: Supporting legacy devices
• Tutorial Part 4: Optimizing 802.11n for voice over WLAN
• Tutorial Part 5: Delivering video over your 802.11n WLAN
• eBook: The Mobile Enterprise: Taking wireless to the next level
• Channel Guide: Upgrading customers to 802.11n wireless networks
• E-Guide: 802.11n Implementation best practices (available on request)
• E-Guide: Benefits of integrating 802.11n into your network (available on request)

Wireless Advisor

Lisa Phifer writes about WLAN design and trouble-shooting for SearchNetworking:

• How to make enterprise wireless LAN work (Nov, 2011)
• Mobile Wi-Fi hotspots for the enterprise (June, 2011)
• Understanding gigabit WLAN: 802.11ac and 802.11ad (May, 2011)
• Planning ahead for gigabit WLAN migration (May, 2011)
• How to add WLAN access control to your portfolio (Apr, 2011)
• WLAN Access Control P1: Securing wireless guest networks (Mar, 2011)
• WLAN Access Control P2: Managing users and their devices (Apr, 2011)
• WLAN Access Control P3: Controlling embedded device access (Apr, 2011)
• How to secure a wireless network for small business (Jan, 2011)
• Integrating wired and wireless LANs to support real-time apps (Dec, 2010)
• Offering WLAN analysis and assessment services (Dec, 2010)
• WLAN Test Series P1: WIPS and centralized security test tools (Dec, 2010)
• WLAN Test Series P2: Proactive WLAN troubleshooting (Dec, 2010)
• WLAN Test Series P3: How to optimize WLAN performance (Feb, 2011)
• Tutorial: Deploying 802.11n for improved performance (Dec, 2010)
• Video Interview: WLAN architectures (Dec, 2010)
• Offering wireless security services – New opportunities (Aug, 2010)
• Myth vs. Reality: WLAN automation (Aug, 2010)
• Step-by-step Wi-Fi connection troubleshooting for Android (Jun, 2010)
• Step-by-step Wi-Fi troubleshooting for iPhone/iPad/iPod (Jun, 2010)
• Step-by-step Wi-Fi troubleshooting for Windows Clients (May, 2010)
• Bypassing iPad Wi-Fi connection problems (Apr, 2010)
• Integrated NMS across wireless/wired infrastructure (Feb, 2010)
• Preparing wired networks for wireless integration (Feb, 2010)
• How to reach max 802.11n speed and throughput (Jan, 2010)
• Integrating wireless into wired LANs: The business case (Dec, 2009)
• Leveraging new WLAN standards (Dec, 2009)
• Offering FMC services can benefit solution providers (Nov, 2009)
• How to plan for 802.11n WLAN upgrades (Sep, 2009)
• Deploying 802.11n APs: Best practices (Aug, 2009)
• Will using a VPN protect against fake hotspots (Aug, 2009)
• 802.11n security series (Jun, 2009)
• Monitoring to detect rogue access points (Apr, 2009)
• How 802.11n Greenfield affects nearby networks (Apr, 2009)
• Secure roaming across WiMAX, 3G, and 802.11n (Mar, 2009)
• Securing embedded 802.11n devices (Mar, 2009)
• 802.11n's impact on WLAN security (Mar, 2009)
• How to avoid the WPA MIC attack (Jan, 2009)
• Mastering 802.11n: Tips and answers (Oct, 2008)
• Measure WLAN performance using iPerf (Sep, 2008)
• How to prioritize wireless traffic (Jul, 2008)
• 802.11n: Preparing for enterprise deployment (Jun, 2008)
• Ten steps to wireless LAN security (Apr 25, 2008)
• Upgrading to 802.11n: Key considerations (Apr 11, 2008)
• Top 5 tools for troubleshooting a WLAN (Jan 15, 2008)
• Understanding 802.11n wireless antennas (Jan 11, 2008)
• RF troubleshooting with spectrum analysis (Oct 11, 2007)
• WLAN connection troubleshooting (Sep 13, 2007)
• Defending Wi-Fi Clients (May 24, 2007)
• Wireless Internet access -- 3G vs. Wi-Fi (Apr 26, 2007)
• Stopping dropped connections (Nov 14, 2006)
• TechNote: Putting hotspot security to the test (Aug, 2006)
• Troubleshooting WLANs: A systematic approach (Jul 28, 2006)
• Five steps to stamp out unsafe Wi-Fi use (Jun 7, 2006)
• WLAN usage monitoring (Apr 20, 2006)
• Troubleshooting your Wi-Fi problem (Apr 13, 2006)
• Purchasing the right Wi-Fi client (Mar 23, 2006)
• Staying safe in Wi-Fi hot spots (Feb 16, 2006)
• Challenges posed by 802.11 wireless (Dec 14, 2005)
• Don't get bitten by Bluetooth (Nov 17, 2005)
• Chasing away your wireless blues (Nov 17, 2005)
• Show me the money: WLAN ROI (Oct 20, 2005)
• When quality counts: 802.11e, WMM, and beyond (Sep 14, 2005)
• B vs. G: Understanding mixed WLAN performance (Aug 17, 2005)
• Eliminating interference thru Wi-Fi spectrum analysis (Jul 21, 2005)
• Upgrading your WLAN to WPA2 (Jun 15 2005)
• Creating a Wireless Security Policy (May 19, 2005)
• Managing Wi-Fi Stations (Apr 19, 2005)
• Going The Distance With MIMO (Mar 15, 2005)
• Understanding Wireless LAN Signal Strength (Feb 16, 2005)
• Moving Freely Between Access Points (Jan 19, 2005)
• Beyond Wireless Intrusion Detection (Dec 16, 2004)
• Using WPA Without Enterprise AAA (Nov 17, 2004)
• Locking Down Wireless Hotspots With 802.1X (Oct 20, 2004)
• Spyware: Is Someone Watching You? (Sep 16, 2004)
• WLAN Enhancements in XP SP2 (Aug 18, 2004)
• 802.11i: Robust and Ready To Go (Jul 14, 2004)
• Using Virtual APs to Enable Coexistence (Jun 16, 2004)
• Lisa Phifer's 2004 Predictions (Dec 4, 2003)
• The buzz over VoWLAN (Aug 8, 2003)
• Signs of WLAN intrusion (Jul 21, 2003)
• On the horizon: News from 802.11-Planet (Jul 7, 2003)
• Consolidating control using WLAN switches (Jun 23, 2003)
• Upgrading to Wi-Fi protected access (Jun 6, 2003)
• Wireless Adapters for your PDA (May 23, 2003)
• Securing teleworker wireless LANs (Apr 8, 2003)
• Configuring service set identifiers (Apr 21, 2003)
• Policy-driven WLAN Security (Mar 26, 2003)
• Understanding wireless antennas (Mar 8, 2003)
• Keeping Wireless Intruders Away (Feb 27, 2003)
• Migrating to 802.11g (Feb 20, 2003)
• Choosing between 802.11a and 802.11b (Feb 11, 2003)
• Keeping tabs on 802.1X (Jan 6, 2003)
• Bolstering Wireless LAN Security (Jul 25, 2002)

Mobile Technologies and Trends

Lisa's tips about Workforce Mobility are published by SearchConsumerization and SearchMobileComputing:

• SearchMobileComputing Tip Index
• Securing Data in the Age of Mobile Computing (Jan, 2012)
• Mobile app best practices: Leveraging MDM and MAM (Oct, 2011)
• Managing mobile app security in the BYOD era (Oct, 2011)
• Mobile security for tablets: Recognizing risk (Feb, 2011)
• Tablet security: Best practices for the tablet tsunami (Feb, 2011)
• Hybrid approaches for indoor wireless coverage (Jan, 2011)
• iOS4 mobile device management (Oct, 2010)
• SearchEnterpriseWAN: Mobile WAN routers (Mar, 2010)
• SearchFinSec: Best practices to secure wireless networks (Jan, 2010)
• Smartphone insecurity: There's an app for that (Jan, 2010)
• eGuide: Windows Mobile: Enabling Business Mobility (Nov, 2009)
• Revamping MDM strategy (Oct, 2009)
• Mobile device management checklist (Oct, 2009)
• Future proofing mobile device management (Oct, 2009)
• Managing mobile device diversity (Oct, 2009)
• eBook: The Mobile Enterprise: Taking wireless to the next level (Sep, 2009)
• Easing the iPhone into the Enterprise (June 17, 2009)
• iPhone Hacking (Mar 2, 2009)
• eBook: Mobile Security (Dec 9, 2008)
• Boosting business productivity with Bluetooth (Nov 20, 2008)
• Securing data on your Windows Mobile (Oct 16, 2008)
• eGuide: Cost Effective Mobile Device Management (Sep 17, 2008)
• In-the-Cloud Mobile Malware defenses (Sep 18, 2008)
• On-device defenses against Mobile Malware (Aug 21, 2008)
• Mobile Malware: Coming to a phone near you? (Jul 17, 2008)
• Protecting data on your BlackBerry (Jun 20, 2008)
• Symbian: Protect your data, not just your device (May 21, 2008)
• New challenges in mobile device discovery (Apr 17, 2008)
• Mobile device security: Guarding the Gate (Mar 20, 2008)
• Effectively Protecting Your Mobile Devices (Feb, 2008)
• Mobile device security: Auditing the Airwaves (Feb 21, 2008)
• Avoiding breaches through mobile encryption (Dec 20, 2007)
• Improving mobile authentication (Dec 5, 2007)
• Mobilizing your workforce: Key questions tip [& podcast] (Oct 25, 2007)
• Ensuring mobile device compliance [& podcast] (Aug 16, 2007)
• Using 3G phones for laptop Internet access (Jul 26, 2007)
• Regulatory compliance: The impact of mobile devices [& podcast] (Jun 21, 2007)
• Choosing your next mobile computing device (Apr 19, 2007)
• Mobile devices: Corporate security strategies (Feb 14, 2007)
• Location-based services for your mobile (Dec 22, 2006)
• Networking Calendar: VoIP on the go (Nov 27, 2006)
• Wireless options for PDAs/smartphones, Part 1 (Nov 15, 2006)
• Wireless adapters for PDAs/smartphones, Part 2 (Nov 15, 2006)
• Mobile VPN Roadtest: NetMotion (Sep 21, 2006)
• Mobile VPN: Closing the gap (Aug 16, 2006)
• Going 3G: Can you hear me now? (Jul 24, 2006)
• 3G wireless: The long and winding road (Jun 22, 2006)
• Trimming mobile telecomm costs with Skype (Jun 14, 2006)
• Wireless laptop evolution (Jan 19, 2006)

InfoSec Magazine Features

Lisa is a contributing editor for Information Security Magazine:

• Enforcing endpoint security (Jan 2011)
• Removable Storage Device Security (Apr 2010)
• Best Remote Access Products (Sep 2009)
• Mobile Security Strategies (Nov 2008)
• Revamping Remote Access (Nov 2007)
• Emerging Technologies: Mobile Data Security (Jul 2007)
• Boxed In: Enterprise UTM (Mar 2007)
• Get A Grip: Mobile Device Security (Apr 2006)
• No Sweat: Turnkey Security Appliances (Aug 2004)
• VPNs: Tunnel Visions (Aug 2003)
• Air Safety: WLAN Security (Apr 2003)
• E-Mail Security (May 2001)

Security Tips

Lisa's tips appear at SearchSecurity, SearchSecurityChannel, and SearchMidMarketSecurity:

• Mobile security best practices in a health care setting (Nov, 2011)
• Network forensics tools and services for incident response (Sep, 2011)
• BlackBerry security opps for channel providers (July 5, 2011)
• …and New BlackBerry PlayBook security opps (August, 2011)
• Securing Android for enterprise and SMBs (May 4, 2011)
• Pointers for iPad endpoint integrity enforcement (Jan 20, 2011)
• Tablet security opps for solution providers – Part 1 (Sep 29, 2010)
• Tablet security opps for solution providers – Part 2 (Oct 6, 2010)
• Portable USB thumb drive encryption (Apr 12, 2010)
• Keeping networks secure during an 11n upgrade (Dec 1, 2009)
• How to use Microsoft Windows 7 AppLocker for whitelisting (Oct, 2009)
• How to automate and apply Windows 7 AppLocker rules (Oct, 2009)
• The pros and cons of Microsoft Windows 7 DirectAccess (Sep, 2009)
• Dealing with smartphone theft: Part 1 - Remote lock and track (Jul, 2009)
• Dealing with smartphone theft: Part 2 - Remote wipe on a budget (Jul, 2009)
• Avoiding the risks of Free Public Wifi ad hocs (Jun, 2009)
• Eliminate rogue wireless access points in five steps (Apr, 2009)
• Three steps to secure smartphones on a budget (Mar, 2009)
• Safe but simple wireless authentication (Mar, 2009)
• Choosing a Midmarket Authentication Server (Mar, 2009)
• Smartphone security: Nipping malware in the bud (Nov 3, 2008)
• Closing the Windows Mobile loophole (Nov 20, 2007)
• Strategies for preventing laptop leaks (Aug 20, 2007)
• Fighting Spyware with UTM (Mar 27, 2007)
• Taking the bite out of Bluetooth (Oct 31, 2006)
• Understanding IPsec ID options (Jul 17, 2006)
• Policies for reducing mobile risk (Apr 25, 2006)
• Understanding protocols that power VoIP (Jan 29, 2006)
• Don't get bitten by Bluetooth (Nov 17, 2005)
• Beyond wireless intrusion detection (Jan 10, 2005)
• SSL VPNs and client authentication (Mar 31, 2004)
• Client security considerations for SSL VPNs (Mar 23, 2004)
• Factors to consider with a managed S2S VPN (Mar 31, 2004)
• Integrating RADIUS with an MSSP's RA VPN (Mar 31, 2004)
• IPsec selectors and their use in RA VPNs (Mar 31, 2004)
• 10 Common questions on WLAN security (Jun 30, 2003)
• Policy-driven WLAN security (Jun 26, 2003)

Security School: Strengthening policies for endpoint control

In this Security School lesson, Lisa Phifer explores new strategies, policies, practices
and tools that can be used to reign in unruly endpoints. Learn how to avoid mistakes,
inventory your organization's exposures and apply stronger endpoint controls.

• Series Outline
• Video: The ins and outs of endpoint integrity enforcement
• Tip: Securing Android devices with a mobile device security policy
• Podcast: Fact or fiction - Mobile device defense tactics
• Quiz: Endpoint security pitfalls to avoid

Security School: Mobile policy - How to prevent data theft

In this Security School lesson, Lisa Phifer covers the technologies, policy items and
processes your enterprise needs to be considering as mobile workforces ramp up
and security and compliance concerns emerge.

• Series Outline
• Video: Mobile security policy must-haves
• Tip: Top 5 mobile data protection best practices
• Podcast: Fact or fiction: Mobile device attacks
• Quiz: Mobile device policy: How to prevent data theft

Workshop: Integrating Networking and Security

This Networking Security Workshop, developed by Lisa Phifer and David Piscitello,
takes an in-depth look at how the integration of security and networking teams,
products and processes are affecting enterprises.

• Series Outline
• Lesson 3: Network Access Control (NAC)
• Webcast: Fitting NAC Into Your Corporate Network
• Podcast: NAC Appliances -- Shortcut to Managing Network Access
• Tip: NAC -- Strengthening your SSL VPN
• Lesson 5: Fabric Integration
• Webcast: Baking Security into Network Infrastructure
• Podcast: Embedded Network Security
• Tip: Enhancing Security Assessments
• Lesson 6: Wireless LAN Security
• Webcast: Tying wireless security into your wired LAN
• Podcast: How wireless voice will impact wired network security
• Tip: VLANs -- Controlling wired and wireless traffic

Wireless Lunchtime Learning Series

This series, developed by Lisa Phifer for SearchSecurity and SearchNetworking,
lets you develop an in-depth understanding of WLAN risks and countermeasures.
Each lesson consists of a short on-demand strategy webcast, followed by tactical
tips that explain how to apply that strategy.

• Series Outline
• Entrance Exam
• Lesson 1
• Webcast: Risky business: Understanding Wi-Fi threats
• Tip: Wireless attacks, A to Z
• Tip: Wi-Fi vulnerability assessment checklist
• Tip: Recipe for rogue hunting
• Lesson One Quiz
• Lesson 2
• Webcast: From the ground up: Creating a secure wireless infrastructure
• Tip: Using VLANs to compartmentalize WLAN traffic
• Tip: The role of VPN in enterprise wireless
• Tip: Wireless AP placement basics
• Lesson Two Quiz
• Lesson 3
• Webcast: Who goes there?: Securing wireless access
• Tip: Controlling WLAN access on a budget
• Tip: Choosing the right flavor of 802.1X
• Tip: Combining 802.1X and VLANs for WLAN authorization
• Tip: Defeating Evil Twin attacks
• Lesson Three Quiz
• Lesson 4
• Webcast: I'll be watching you: Wireless IPS
• Tip: Fighting wireless DoS attacks
• Tip: Rogue containment methods
• Tip: Overlay vs. embedded WIPS sensors
• Tip: Using your WIPS to monitor WLAN performance
• Lesson Four Quiz
• Exit Exam

TechTarget Webcasts and Podcasts

Our on-demand webcasts and presentations include the following:

• Webcast: Managing and securing mobile devices in healthcare (Apr, 2011)
• Videocast: The ins and outs of endpoint integrity enforcement (Jan, 2011)
• Video Interview: WLAN architectures (Dec, 2010)
• Webcast: Integrating Win7 into your data protection strategy (Sep, 2010)
• Podcast: The state of mobile endpoint security tools (Sep, 2010)
• Webcast: Securing mobile endpoints in the enterprise (Aug, 2010)
• Videocast: 802.11n upgrade considerations in a nutshell (Apr, 2010)
• Videocast: Protecting corp data on employee smartphones (Apr, 2010)
• Webcast: Integrating 802.11n into your WLAN (Jan, 2009)
• Webcast: Safeguarding Smartphones (Nov, 2008)
• Podcast: Mastering 802.11n (Jun, 2008)
• Podcast: Wireless hotspot security (Mar, 2008)
• Webcast: Building High-Performance WLANs (Mar, 2008)
• Webcast: Remote Access with SSL VPN and NAC (Feb, 2008)
• Webcast: Evolving techniques for secure remote access (Nov, 2007)
• Podcast: Mobilizing your workforce: Key questions [& tip] (Oct, 2007)
• Webcast: NAC: Beyond endpoint security (Sep, 2007)
• Webcast: Laptop Lockdown – Encrypting Data (Aug, 2007)
• Workshop Lesson: Fabric Integration (Aug, 2007)
• Workshop Lesson: Securing the Branch Office (May, 2007)
• Webcast: UTM - The New Breed (Mar 28, 2007)
• Workshop Lesson: Wireless LAN Security (Mar, 2007)
• Workshop Lesson: Network Access Control (NAC) (Mar, 2007)
• Podcast: The Truth about Security and Mobile Access (Jan, 2007)
• Podcast: VPN FAQs for channel pros (updated Apr, 2009)
• Webcast: Top 5 Ways to Lock Down Your Mobile Devices (Oct 27, 2006)
• Podcast: Security Issues for Mobile Devices (Oct 27, 2006)
• Webcast: Guarding the Gate: VPN deployment strategies (Jul 13, 2006)
• Podcast: Road Ahead: Emerging VPN Trends (Jul 13, 2006)
• Webcast: Moving target: Locking down mobile devices (Apr 21, 2006)
• Wireless LAN Lunchtime Learning (Mar 28, 2006)
• Webcast: 10 Remote Access Tips in 10 Minutes (Feb 22, 2006)
• Commonly Overlooked Security Hazards (May 18, 2005)
• Foolproof Initiatives to Boost Your Network Security (May 18, 2005)
• Improve Productivity Safely: Securing Your WLAN (Jan 2005)
• Security Strategies for Remote Workers (Jan 2004)
• Deploying Wi-Fi Protected Access (Nov 2003)
• Migrating to IP-based VPNs (Jul 2004)
• Securing Wireless PDAs (May 2003)
• Locking your WLAN: Part 2 - Countermeasures
• Quiz for Part 2 (Jun 2003)
• Locking your WLAN: Part 1 - Identifying Threats
• Quiz for Part 1 (Jun 2003)
• Making Sense of 802.11 Standards (Dec 2002)
• Troubleshooting IPsec VPNs (Oct 2002)
• Using VPNs to Secure Wireless Networks (Apr 2002)
• Understanding IPsec VPN Crypto (Mar 2002)
• Make Your WLAN Secure (Feb 2002)
• Secure Remote Access VPNs (Apr 2001)
• Securing VPNs with IPsec (Oct 2001)
• Deployment of RA VPNs (Dec 2001)
• Managed Security Outsourcing (Nov 2000)
• Network-Based VPNs (Dec 2000)
• Security and QoS for VPN (Nov 2000)

Hint: To view webcasts, you must disable pop-up blockers and accept cookies.

Security Spotlight

Lisa Phifer's SearchNetworking series on security appliances:

• E-Guide for Upgrading Your Network (Dec, 2007)
• Content Filtering Appliances (Jan 30, 2007)
• Mail Security Appliances (Dec 13, 2006)
• SSL VPN Appliances (Nov 15, 2006)
• NAC-in-a-Box Appliances (Nov 7, 2006)
• Network Behavior Analysis Appliances (Oct 23, 2006)
• Application Firewall Appliances (Sep 21, 2006)
• Identity Management Appliances (Jul 21, 2006)
• Wi-Fi Firewall Appliances (Jun 16, 2006)

Wireless-to-Go Product Reviews

Lisa's old product review series developed for SearchNetworking:

• Belkin's Bluetooth USB adapter goes the distance (Jun 22, 2004)
• Sygate Security Portal neutralizes public PC threats (Apr 23, 2004)
• Segue: Integrated roaming from home to office to hot spot (Mar 29, 2004)
• D-Link ships WPA in USB format (Mar 3, 2004)
• Kensington WiFi Finder falls short (Feb 19, 2004)
• Understanding the Wireless Landscape (Jan 6, 2004)
• Get To Know Your a, b, g's: AirMagnet Trio (Dec 23, 2003)
• Columbitech Wireless VPN enables Secure Mobility (Dec 1, 2003)
• AppGate secures intranet access from PDAs, laptops (Nov 17, 2003)
• Bluefire brings Pocket PCs under IT control (Nov 3, 2003)
• Sprint CF2031 Adds 3G Wireless to PDAs, Laptops (Oct 3, 2003)
• BlackBerry 6210 offers multifeatures, small footprint (Sep 9, 2003)
• G at last: D-Link's AirPlus XtremeG (Aug 18, 2003)
• Roaming intranet access over Wi-Fi: iPassConnect (Jul 17, 2003)
• Internet tools for your Pocket PC: vxUtil (Jun 30, 2003)
• Boingo's hotspot finder handy but wet behind ears (Jun 19, 2003)

VPN Articles

A few of our TechTarget articles on Virtual Private Networking:

• Best Remote Access Products (Sep, 2009)
• VPN FAQs for Channel Pros (updated Apr, 2009)
• Advantages of an extranet-based VPN (Feb, 2009)
• NAT Traversal vs. IPsec Passthrough (Feb, 2009)
• Revamping Remote Access (Nov 2007)
• Closing the Windows Mobile loophole (Nov, 2007)
• 10 Remote Access Tips in 10 Minutes (Feb, 2006)
• VPNs: Tunnel Visions (Aug 2003)
• VPN Client Alternatives - Part 4: IPsec (Nov 29, 2002)
• VPN Client Alternatives - Part 3: L2TP (Oct 31, 2002)
• Debugging IPsec VPNs: Q&A (Oct 24, 2002)
• Cyberspace Policy Waiting Game (Sep 26, 2002)
• VPN Client Alternatives - Part 2: PPTP (Aug 26, 2002)
• VPN Client Alternatives - Part 1: Needs (Jul 30, 2002)
• Gateways for Secure Wireless Access (Jun 21, 2002)
• Using Secure Shell with Wireless PDAs (May 28, 2002)
• Securing PDA Network Access Over Cellular (Apr 5, 2002)
• Crypto for VPNs: Q & A (Mar 29, 2002)
• Securing PDA Access To WLANs (Feb 26, 2002)
• Securing PDA Enterprise Network Access (Jan 25, 2002)
• Troubleshooting IPsec VPN clients (Oct 2001)
• VPN: Virtually Anything (Apr 2001)
• Featured VPN Articles (Apr 2001)

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