Lisa Phifer

VoIP Security: SIP Versatile but Vulnerable

Networks Lisa Phifer -
As a mission critical service, VoIP deployments require careful assessment to identify and eliminate security vulnerabilities in VoIP clients, applications, and infrastructure. But what exactly should you hunt for? Let's explore a...

Guide to Hotspot Safety

Mobile Lisa Phifer -
Many consumers realize that hotspots can be risky, but fail to take even the most basic precautions. Why? Some underestimate the dangers, while others lack...

Double Duty: Quality Voice without Data Starvation

Mobile Lisa Phifer -
As enterprises deploy VoIP, vendors are being challenged to provide toll-quality voice and predictable data delivery using shared WLAN infrastructure.  While prioritization helps, WLAN architecture and AP...

Safety Net: Aruba Promotes Video Surveillance over Wi-Fi

Mobile Lisa Phifer -
From terrorist attacks to school shootings, tragedies repeatedly demonstrate the need for public safety readiness.  One critical component: helping first responders see perpetrators and their actions.  Government-operated...

Cisco Dives into the Draft 802.11n Pool

Mobile Lisa Phifer -

Wi-Fi SideJacking opens eyes at BlackHat

Security Lisa Phifer -
Unless you've been hiding in a cave for years, you know that everything sent over Wi-Fi is vulnerable to eavesdropping. A handful of hotspots now encrypt user...

Muni Wi-Fi Pitches In after Twin Cities Bridge Collapse

Mobile Lisa Phifer -

Mobile Security: Where Risk Meets Opportunity, Part 3

Mobile Lisa Phifer -

Mobile Security: Where Risk Meets Opportunity, Part 2

Mobile Lisa Phifer -
A growing number of PDAs and smartphones are being used for business, but most lack the basic security measures currently used to protect mobile worker...

Mobile Security: Where Risk Meets Opportunity: Part 1

ERP Lisa Phifer -

Thinking Outside The (Windows) Box, Part 4: Free Windows Firewalls

Applications Lisa Phifer -

Thinking Outside The (Windows) Box, Part 3: Free Mail Clients

Applications Lisa Phifer -
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