CoreCom writes monthly
columns, presents webinars, and answers reader
questions for these TechTarget publications.
Wireless
Questions and Answers
As a site expert searchMobileComputing and searchNetworking,
Lisa Phifer answers questions submitted through this website form:
Mobile
Technologies and Trends
Lisa's articles are published by
searchMobileComputing and sister websites:
- SearchMobileComputing Column Index
- 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)
Wireless
Advisor
Lisa also writes Wireless LAN
tips for searchNetworking:
- 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)
Midmarket
Security Tips
Lisa Phifer's
security tips appear at SearchMidmarketSecurity:
- SearchMidmarketSecurity
Home Page
- 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)
InfoSec Magazine Features
Lisa is a contributing editor
for Information Security Magazine:
SearchSecurity Tips
- Portable
USB thumb drive encryption (Apr 12, 2010)
- Keeping
networks secure during an 11n upgrade (Dec 1, 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)
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.
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.
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.
TechTarget Webcasts and Podcasts
On-demand webcasts and
presentations delivered by
Lisa Phifer and Dave Piscitello include the
following:
- 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:
Expert Answer Center WLAN Blog
A few WLAN blog posts written by Lisa Phifer for TechTarget:
Wireless-to-Go
Product Reviews
An old product review series developed for searchNetworking:
- Wireless-to-Go
Column Index.
- 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
We still write an occasional article on Virtual Private Networking as
well:
- 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)