Dennis Fisher

About

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

2014: A Specious Odyssey

The wonderful and terrifying thing about the security world is that things never stay calm for long. As soon as you think you have a chance to catch your breath, someone breaks something and it’s time to scramble again. In 2014, those small moments of downtime were hard to come by.

Exploits Circulating for Remote Code Execution Flaws in NTP Protocol

Researchers at Google have uncovered several serious vulnerabilities in the Network Time Protocol and experts warn that there are exploits publicly available for some of the bugs. The vulnerabilities are present in all versions of NTP prior to 4.2.8 and include several buffer overflows that are remotely exploitable. The NTP is a protocol that’s used […]


Researchers have identified a wide range of vulnerabilities in remote terminal units manufactured by Emerson Process Management that are widely used in oil and gas pipelines and other applications. The vulnerabilities include a number of hidden functions in the RTUs, an authentication bypass and hardcoded credentials. All of the vulnerabilities are remotely exploitable and an […]

Samy Kamkar has a special talent for turning seemingly innocuous things into rather terrifying attack tools. First it was an inexpensive drone that Kamkar turned into a flying hacking platform with his Skyjack research, and now it’s a $20 USB microcontroller that Kamkar has loaded with code that can install a backdoor on a target machine in […]

There are a number of critical, remotely exploitable command injection vulnerabilities in Schneider Electric’s ProClima software, which is used in manufacturing and energy facilities. The ProClima application is a utility that customers use to design control panel enclosures in industrial facilities to help manage the heat from enclosed electrical devices. The bugs affect ProClima versions […]