Ellen MessmerSenior Editor, Network World, Network World

Ellen Messmer is a senior editor at Network World. She covers news and technology trends related to information security.

HBGary CEO: Anonymous Attack Didn't Ruin Us

When HBGary Federal, had its website hacked and sensitive e-mail exposed by hacktivist group Anonymous last February, it became a question of how security firm HBGary could survive the damage to its reputation.

Citrix: Desktop Virtualization Makes Good Security Sense

One of the main reasons for deploying desktop virtualization is the security advantages it can provide, such as keeping sensitive data off the endpoint, according to Citrix.

Sourcefire Shipping Its First Two App-aware, Next-Gen Firewalls

Sourcefire Monday said it expects to begin shipping its first two next-generation firewall appliances later this month, entering an increasingly crowded market.

America's Critical Infrastructure Security Response System Is Broken

The flap over the reported water utility hack in Illinois raises the question: Is the reporting system that the U.S. has set up to identify cyberattacks on critical infrastructure broken and in need of re-thinking?

2011's Biggest Security Snafus

Perhaps it was an omen of what was to come when the city of San Francisco on New Year's Eve 2010 couldn't get a backup system running in its Emergency Operations Center because no one knew the password.

Cisco, Juniper, Check Point, Palo Alto Among Firms in Security Contest

TheInfoPro study finds Cisco and Juniper down, Check Point and Palo Alto up in a firewall popularity contest.

Mobile Devices, Virtualization Are Biggest Security Challenges: Survey

Increased use of mobile devices, especially smartphones, in addition to the transition to virtualization, are key factors weighing on companies.

Do Smaller Businesses Think They're Immune to Security Threats?

A survey by Symantec shows that small to midsized (SMB) managers think they are not targets for attack.

CA Takes to the Cloud for Identity Management

CA Technologies has gotten its feet wet with cloud-based security before, but now the company is moving further in with a package of cloud based identity and access control services.

Chinese Cyber-Spy on Trial for Stealing Motorola Secrets

Software engineer Hanjuan Jin, accused of stealing thousands of confidential and proprietary technical documents from Motorola to share with competitors and the People's Republic of China, is expected to stand trial this week in Chicago.

Corporate-owned vs. Employee-owned Mobile Devices

The 'bring your own device' phenomenon is growing but many obstacles remain.

Cisco Rolls out Military-strength Encryption for ISR Router

Cisco has announced a hardware encryption module for its ISR G2 router that allows point-to-point encryption of IP traffic.