Dennis Fisher

About

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

Apple Patches Mass of Security Bugs in OS X and Safari

Apple has updated both OS X and its Safari browser, fixing a pile of security vulnerabilities, many of which can be used for remote code execution. The release of OS X Mountain Lion 10.8.4 includes patches for more than 30 bugs, most notably a set of fixes for vulnerabilities in Ruby, some of which are being exploited at this point.

Data Sharing, Cooperation Key to Critical Infrastructure Security

WASHINGTON–The topic of critical infrastructure security may be the prettiest girl at the dance right now for both politicians and technology companies, but the problem of attackers going after these targets is one that security people have been dealing with for some time. But that doesn’t mean they have a good handle on it or clear solution for the problem. In fact, there are still a number of old obstacles standing in the way of addressing the issue.


As the anti-government protests in Turkey have escalated in the last few days, privacy activists and security experts have begun working on ways to help people inside Turkey get reliable access to the Internet and privacy tools such as Tor. A security researcher over the weekend released a new tool called Lahana that enables users […]

Once upon an Internet, a security researcher who discovered a vulnerability had very limited options for what to do with that information. He could send it to the vendor and hope someone cared enough to patch it; he could post it to a mailing list for all to see; or, if he had the right […]

As attackers continue to target large databases of passwords and users grow wearier by the day of creating new accounts and login credentials on each site they visit, the larger Web players are positioning themselves as not just social networking or retail hubs, but also as authentication providers. The latest to join this crew is Amazon, which is rolling out a service called Login With Amazon that enables visitors to participating sites to login with their existing Amazon credentials.

PayPal is in the process of fixing the cross-site scripting flaw on its Web site that was disclosed last week. The teenage researcher who found and disclosed the bug said Wednesday that PayPal security officials told him that someone else had reported the same vulnerability to them earlier and they’re trying to patch it now.

It’s been a year since the first reports of the Flame malware surfaced, and looking back at the 12 months since then, it seems more and more each day that the discovery of Flame should be seen as a seminal event in the evolution of malware.

As attacks against cryptographic systems and the SSL infrastructure have advanced in recent years, experts have begun to fret about the future utility of the system. Companies that rely on the security of the SSL technology are beginning to take steps to address the issue, with the latest being Google, which is planning to change […]