Dennis Fisher

About

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

Era Ends With Break Up of Trustworthy Computing Group at Microsoft

In a move that has surprised many in the security community, Microsoft has disbanded its Trustworthy Computing unit, the group that was responsible for the pioneering work that helped reverse the company’s security reputation and make Windows a much more secure and reliable computing platform. The end of the TwC group comes as Microsoft is in […]


The dramatic revelations of large-scale government surveillance and deep penetration of the Internet by intelligence services and other adversaries have increased the interest of the general public in tools such as encryption software, anonymity services and others that previously were mainly of interest to technophiles and activists. But many of those tools are difficult to use […]

Apple has released iOS 8, a massive update to its mobile operating system, that includes fixes for more than 40 security vulnerabilities. Apple is touting iOS 8 as the biggest update to the software since it launched the App Store, and, aside from the security fixes, there are hundreds of new features and functions in […]

UPDATE–There are several unpatched, remotely exploitable vulnerabilities in a number of Schneider Electric’s SCADA products, one of which could be used to perform a shutdown of the SCADA server. Another of the vulnerabilities is an authentication bypass that could give an attacker access to sensitive data. The vulnerabilities affect a variety of Schneider Electric StruxureWare […]

Despite research published last year that demonstrated that Apple has the ability to decrypt users iMessages if it so chooses, Apple CEO Tim Cook said that the company does not hold the encryption key for those messages and couldn’t even produce the plaintext in response to a government order.