Dennis Fisher

About

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

Slew of Vulnerabilities Found in D-Link Storage Devices

Researchers have identified dozens of vulnerabilities in several D-Link products, some of which allow attackers to bypass authentication requirements or upload arbitrary files to target devices. The vulnerabilities lie in a variety of D-Link network storage devices and the company has produced updated firmware to address some of the problems. Researchers at Search-Lab discovered the […]

Firmware Bug in OSX Could Allow Installation of Low-Level Rootkits

There is a vulnerability buried deep in the firmware of many Apple laptops that could allow an attacker to overwrite the machine’s BIOS and install a rootkit, gaining complete control of the Mac. The vulnerability lies in the UEFI system on some older MacBooks, and researcher Pedro Vilaca discovered that after a MacBook is put to […]

Synology Fixes File-Takeover Flaw in Cloud Station OS X Client

There is a vulnerability in some versions of Synology’s Cloud Station client for OS X that can enable any user to take over system files and gain complete control of the machine. Cloud Station is a system that allows users to sync files across a number of devices. The system saves changes to files on […]


For many years, eBay has been one of the bigger targets for phishers and many other kinds of attackers and they have been honing their tactics and improving them along the way. Much of their effectiveness depends on convincing users that they’re on the real eBay site and the site recently fixed a vulnerability that […]

The Internet knows a lot about you, including your mother’s maiden name, your favorite food, and what street your first pet grew up on. And, according to some new research from Google, attackers have a good chance of figuring those things out pretty easily, too. The security questions that Google and other companies ask users as […]

What happens when you build a watch that is essentially an absurdly powerful computer that also tells time? You have to patch that watch. And that’s what Apple has done for the first time, releasing a long list of fixes for security problems with the Apple Watch OS. At least one of the vulnerabilities can […]

Google has patched a high-risk vulnerability in its Chrome browser that allows an attacker to escape the Chrome sandbox. That vulnerability is one of 37 bugs fixed in version 43 of Chrome. Six of those flaws are rated as high risks and Google paid out more than $38,000 in rewards to researchers who reported vulnerabilities […]

There’s an easily exploitable vulnerability in the Android stock browser that enables an attacker to spoof the URL in the address bar and force a victim to visit a malicious site while believing he is visiting a benign one. Security researcher Rafay Baloch discovered the vulnerability and developed the technique for exploiting it. The problem […]

The attackers behind the TeslaCrypt ransomware, which is one of the newer entries on the scene, may not be making as much money yet as some of their more experienced competitors, but researchers say that their malware is having a profound effect on victims. Like many other pieces of ransomware, TeslaCrypt often spreads with the […]