Dennis Fisher

About

Dennis Fisher is a journalist with more than 13 years of experience covering information security.

Data Breaches Show Difficulty of Defenders’ Task

When attackers broke into the network of the University of Maryland last month, the university’s wasn’t sure how to react. The organization had never had a major security incident before, and this one qualified as major: 310,000 Social Security numbers and other information was gone. And then three weeks later, it happened again. Wallace Loh, […]


Protecting the internal network as well as the users of Facebook is an unenviable task. Facebook users constantly are the target of all manner of phishing, malware and other attacks, and the company’s own network is a major prize for attackers, as well. To help better defend those assets, Facebook’s security team has built an […]

The exploit that attackers are using to target a zero day vulnerability in Microsoft Word relies on a complex series of pieces, including an ASLR bypass, ROP techniques and shellcode with several layers of tools designed to detect and defeat analysis. Microsoft officials said the exploit is being used in targeted attacks right now and […]

Keeping Web sessions private and secure can be a daunting task, especially for users who may not be so familiar with how to lock down their browsers, but WhiteHat Security is trying to make that process simpler with the release of a beta version of its Aviator browser for Windows.

UPDATE–The iOS platform has been remarkably resistant to malware infections over the years and attackers interested in mobile devices mainly have focused their efforts on Android. But the developer of a little-known bot that has the ability to run on Linux and Windows machines now has a version that apparently can run on iOS as […]