Dennis Fisher

About

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

Google Releases Password Alert Extension for Chrome

Google is rolling out a new extension for Chrome that will monitor users’ logins and warn them if they enter a Google password on a non-Google page, a move designed to help protect users against phishing attacks. The new extension, called Password Alert, works for both consumer accounts and Google Apps for Work accounts. Company […]

Macro-Enabled Malware Making a Comeback

Malware that uses macros as part of its infection method has been around for more than a decade, and was one of the first major techniques to drive changes at software vendors such as Microsoft. The tactic has been making a comeback of late, and Microsoft is seeing a major spike in the volume of […]


Dennis Fisher talks with Jennifer Leggio, a longtime player in security PR and marketing, about her start as an obituary writer in Southern California, her move into tech in the Bay Area, what she loves about working in security and what makes for successful startups.

Mozilla is removing a Turkish root CA from the Firefox trust store, not because of a compromise or a mistakenly issued certificate, but because the certificate authority hasn’t lived up to the audit requirements Mozilla has for trusted CAs. Like other browser vendors, Mozilla has a lengthy policy that sets out the requirements for CAs to […]

A few weeks after the developers of the AFNetworking library that’s popular among iOS and OS X app developers patched a serious bug in the library that enabled man-in-the-middle attacks, another, similar flaw has surfaced. The new vulnerability is related to how the AFNetworking library handles domain name validation for certificates. As it turns out, the library […]

Siemens has released an update for some of its ICS products that are affected but the glibc Ghost vulnerability that was disclosed in January. The vulnerability affected both the Siemens Sinumerik and Simatic HMI Basic applications, which are used in a variety of industrial situations. “The affected products, SINUMERIK, SIMATIC HMI Basic, and Ruggedcom, are used as an […]

The high-profile DDoS attack against GitHub that went on for several days last month was the end result of an operation that included several phases and extensive testing and optimization by the attackers. Researchers at Google analyzed the attack traffic over several weeks and found that the attackers used both Javascript replacement and HTML injections. […]

SAN FRANCISCO–For years, Apple has enjoyed a pretty good reputation among users for the security of its products. That halo has been enhanced by the addition of new security features such as Gatekeeper and XProtect to OS X recently, but one researcher said that all of those protections are simple to bypass and gaining persistence […]