Ellen MessmerSenior Editor, Network World, NetworkWorld

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

11 Security Companies to Keep Your Eye On

Our annual look at new security companies to watch.

Trend Micro Unveils Antimalware for VMware

Trend Micro is expected to announce antimalware software specifically designed for Windows-based protection in virtual-machine environments.

Symantec Unveils Endpoint Protection Services

Symantec now offers managed endpoint protection services for round-the-clock monitoring and management of computers that use Symantec security products.

Twitter Spam Spreads Worm

The malicious zip file contains malware that infects Windows systems but is easily thwarted by antivirus programs.

ISP Pricewert Protests Shutdown

Web-hosting service says the closure was unfair and unexpected, and is challenging the action in court.

5 Famous Spies and their Tech Ties

They betrayed the United States – and here’s how technology played a role.

Sophos Suite Combines Encryption, Anti-Malware

The Endpoint Security and Data Protection suite from Sophos includes full-disk encryption plus anti-malware, application control and intrusion protection.

Obama: Cybersecurity 'Coordinator' Won't Be 'Czar'

In addition to announcement, the president shares his plan for protecting the nation's critical IT infrastructure from attack.

Survey: Nearly One-Third Take Phone, Laptop to Bed

Annoyed bedmates don't deter workers from toiling in bed for two to six hours per week.

Preparing for Cyberwar

Is the U.S. Ready for Government-sponsored Cyberattacks?

Corporate-Espionage, E-mail Break-in Case Zaps Electronics Industry

The corporate-espionage case of David Goldenberg, former executive with AMX Corp., is rocking the world of high-end office and consumer electronics systems.

Mass Network Compromise Cause of Most Online Fraud

Mass compromise of payment-card systems or retailers holding credit- and debit-card information is said to the primary cause of payment fraud.

Spam Volumes Drop, McAfee Says

Security firm measures 20 percent less spam this year so far, but what's out is still annoying.

Hackers Break into University Health Records

The University of California at Berkeley says its health services databases were breached, and begin warning students, alumni.

Phishers Target Facebook Again

Scam tries to steal passwords by getting Facebook users to enter their log-in credentials at a fraudulent site.