The Z-Wave wireless communications protocol used for some IoT/smart devices is vulnerable to a downgrade attack that can allow a malicious party to intercept and tamper with traffic between smart devices. The attack —codenamed Z-Shave— relies on tricking two smart devices that are pairing into thinking one of them does not support the newer S-Wave… Read More


A security hole in a Comcast service-activation website allowed anyone to obtain a customer’s Wi-Fi network name and password by entering the customer’s account number and a partial street address, ZDNet reported yesterday. The problem would have let attackers ‘rename Wi-Fi network names and passwords, temporarily locking users out’ of their home networks, ZDNet wrote.… Read More


Both Google and Microsoft researchers discovered the bug independently. The bugs work similarly to the Meltdown and Spectre bugs, a reason why they were classified as ‘variant 3a’ and ‘variant 4’ instead of separate vulnerabilities altogether. Variant 3a is a variation of the Meltdown flaw, while Variant 4 is a new Spectre-like attack. The most… Read More


Car hacking has become a major focus in the security community in recent years, as more vehicles are hooked up to the cellular internet. But while convenient to control your car from your phone, it’s also opened up new points for attack — which could have real-world consequences. You might not even realize you’re a… Read More


As tens of millions of happy delighted owners know, Siri, Alexa, Cortana and Google, will do lots of useful things in response to voice commands. But what if an attacker could find a way to tell them to do something their owners would rather they didn’t? Researchers have been probing this possibility for a few… Read More


Cisco released 16 security advisories yesterday, including alerts for three vulnerabilities rated ‘Critical’ and which received a maximum of 10 out of 10 on the CVSSv3 severity score. The three vulnerabilities include a backdoor account and two bypasses of the authentication system for Cisco Digital Network Architecture (DNA) Center. The Cisco DNA Center is a… Read More


Researchers have revealed new malware designed to collect information from messaging service Telegram. On Wednesday, Cisco Talos researchers Vitor Ventura and Azim Khodjibaev said that over the past six weeks, the team has monitored the emergence of what has been called Telegrab. This malware has been designed to collect cache and key files from Telegram,… Read More


A command injection bug in Red Hat’s DHCP client could allow an attacker to run any command on your computer. As root. RedHat Linux, together with its stablemates Fedora and CentOS, just patched a serious security bug. RedHat-based Linux distros include a dhclient script as part of their NetworkManager package – until the latest NetworkManager… Read More