Dennis Fisher

About

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

HTTP warnings

Google Adds Warnings About Deceptive Software to Safe Browsing Service

The Google Safe Browsing service has become an integral part of most of the major browsers, integrating malware alerts, warnings about malicious Web sites and suspicious content. The company has been expanding the capabilities of the service steadily over the last few years, and now Google is adding warnings about deceptive software to the service. […]

Apple Patches Series of WebKit Flaws in Safari

Apple has released a new version of Safari that fixes seven security vulnerabilities, all of which are related to the WebKit framework in the browser. The advisory from Apple is typically bare-bones, with almost no information about the vulnerabilities fixed in Safari 6.1.6 and 7.0.6. Apple said that all of the vulnerabilities in WebKit are […]


Google is making a small, but potentially important, change to the way that Gmail handles some special characters in messages as a way to defeat a common tactic used by spammers to confuse recipients and trick them into opening emails.

There’s a remotely exploitable authentication bypass vulnerability in the BlackBerry Z10 phone that affects the service that lets users share files with machines on a wireless network. The bug could allow an attacker to steal users’ personal data or hit them with targeted malware.

LAS VEGAS–Yahoo plans to enable end-to-end encryption for all of its Mail users next year. The company is working with Google on the project and the encryption will be mostly transparent for users, making it as simple as possible to use. Alex Stamos, CISO at Yahoo, said that the project has been a priority since […]

LAS VEGAS–The takedown of the GameOver Zeus malware operation in June got more than its share of attention, but it was the concurrent demolition of the CryptoLocker ransomware infrastructure that may prove to have been the most important part of the operation. That outcome was the culmination of months of behind the scenes work by […]

LAS VEGAS–David Litchfield for many years was one of the top bug hunters in the game and specialized in causing large-scale headaches for Oracle. When he decided to retire and go scuba diving, there likely were few tears shed in Redwood City. Litchfield recently decided to resurface, which is good news for the security community […]