Introduction I have a Home Assistant-based Smart Home in my apartment. Many of my electronic devices are connected to HA and I can monitor and manage them centrally. The main communication method for all the devices is Wi-Fi with Zigbee being a second option. Some time ago I wanted to monitor several processes outside of … Read more
When I was taking my young kids to the park or playground I wished I had a solution that would tell me where they are in case they go out of sight. This led me to a project where I made a system to tell me in which direction (AKA bearing) and how far a … Read more
Recently I have made a presentation at the “Software Defined Radio Israel” meetup about my work capturing and reversing wireless keyboard signals. I focused on a “Rapoo E2700 keyboard and track-pad” but we also discussed the broader challenge of such capturing for SDR enthusiasts. The project involved capturing 2.4Ghz wireless signal with an RTL-SDR dongle … Read more
A few days ago, news broke about a large-scale hack of various sites by the Syrian Electronic Army. The motivation behind the hack was political and the only damage came down to a popup message: “You’ve been hacked by the Syrian Electronic Army (SEA).”. Happy thanks giving, hope you didn't miss us! The press: Please … Read more
You might have heard of the massive September EC2 virtual machine reboot on the Amazon Web Services cloud. Right away it was speculated that this is due to a security bug in Xen, the hypervisor platform used by EC2. On October 1st, the embargo was lifted and the suspicions were confirmed. The bug, XSA-108, can … Read more
A few days ago our IT teams got a support ticket from an employee, who sent an email and it bounced. The explanation for the reject states: “This message has been blocked because it is from a FortiGuard – AntiSpam black IP address”. Naturally it was quite a surprise for us. A quick check with … Read more
A research at Carnegie Mellon University tested how likely a password is to be guessed, segmented by the faculty of the password owner. The news were covered in Ars Technica. To me this is scientific proof that technically inclined individuals care about computer security more than non-technical ones. I would go as far as to … Read more