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.

Memory Scraping Malware Goes After Encrypted Private Information

What's "pervasive memory scraping" and why is it considered by SANS Institute security researchers to be among the most dangerous attack techniques likely to be used in coming the coming year?

Do Wireless Providers Crimp Mobile Security?

Do wireless service giants such as AT&T and Verizon wield their power to effectively stand in the way of mobile-device security?

Tablets and Smartphones Force Cisco to Rethink Security

Cisco has unveiled a self-described "complicated" security architecture dubbed SecureX that it says provides a context-aware way to safeguard networks increasingly overrun with smartphones, tablets and virtualization.