Douglas McKee of McAffee presented his research into the security of medical diagnostic equipment at last week's Defcon conference in Las Vegas. Read the rest

At Defcon, Tencent's Wu HuiYu and Qian Wenxiang presented Breaking Smart Speakers: We are Listening to You, detailing their work in successfully exploiting an Amazon Alexa speaker, albeit in a very difficult-to-achieve fashion. Read the rest

Josh Mitchell's Defcon presentation analyzes the security of five popular brands of police bodycams (Vievu, Patrol Eyes, Fire Cam, Digital Ally, and CeeSc) and reveals that they are universally terrible, though the Digital Ally models are the least bad of the batch, as Wired's Lily Hay Newman reports. Read the rest

A presentation today at Defcon from Drexel computer science prof Rachel Greenstadt and GWU computer sicence prof Aylin Caliskan builds on the pair's earlier work in identifying the authors of software and shows that they can, with a high degree of accuracy, identify the anonymous author of software, whether in source-code or binary form. Read the rest

One of the highlights of this year's Defcon conference in Vegas was the Voting Machine Hacking Village, where security researchers tore apart the "secure" voting machines America trusts its democracy to. Read the rest

Update: Here is the indictment. Hutchins is accused of making and selling a keylogger called the "Kronos banking trojan."

Marcus Hutchins is the 23 year old security researcher behind the @MalwareTechBlog Twitter account; he's the guy who figured out that the Wannacry worm had an accidental killswitch built in and then triggered it, stopping the ransomware epidemic in its tracks. Read the rest

In their Defcon 25 presentation, "Dark Data", journalist Svea Eckert and data scientist Andreas Dewes described how easy it was to get a massive trove of "anonymized" browsing habits (collected by browser plugins) and then re-identify the people in the data-set, discovering (among other things), the porn-browsing habits of a German judge and the medication regime of a German MP. Read the rest

Since the 2000 Bush-Gore election crisis and the hanging-chad controversy, voting machine vendors have been offering touchscreen voting machines as a solution to America's voting woes -- and security researchers have been pointing out that the products on offer were seriously, gravely defective. Read the rest

I'm making the final(ish*) stop of my Walkaway tour at Defcon this weekend in Las Vegas, giving a speech on Saturday in Track 2 at 10AM called $BIGNUM steps forward, $TRUMPNUM steps back: how can we tell if we're winning?, followed by a book-signing at the No Starch Press table in the exhibitors' hall. Read the rest

Defcon, the hacker and security conference, is coming to Caesar's Palace this weekend (I'm speaking!), and that means that the hotel needs to start thinking hard about the security of its systems, likely to be targeted both in earnest (by people who want to spy on attendees) and in jest (by attendees who want to prank their fellows by announcing that they've compromised everyone's systems). Read the rest

Are you a security researcher planning to present at Black Hat, Defcon, B-Sides or any of this summer's security events? Are you worried a big corporation or the government might attack you for revealing true facts about the defects in the security systems we entrust with our safety, privacy and health? Read the rest

Last week, Andrew Tierney and Ken Munro from Pen Test Partners demoed their proof-of-concept ransomware for smart thermostats, which relies on users being tricked into downloading malware that then roots the device and locks the user out while displaying a demand for one bitcoin. Read the rest

A team led by Ang Cui (previously) -- the guy who showed how he could take over your LAN by sending a print-job to your printer -- have presented research at Defcon, showing that malware on your computer can poison your monitor's firmware, creating nearly undetectable malware implants that can trick users by displaying fake information, and spy on the information being sent to the screen. Read the rest

When computer security expert and hardcore traveller Przemek Jaroszewski found that he couldn't enter an airline lounge in Warsaw because the automated reader mistakenly rejected his boarding card, he wrote a 600-line Javascript program that generated a QR code for "Batholemew Simpson," a business-class traveller on a flight departing that day. Read the rest

When it comes to accessing public websites, Tor has an intrinsic security problem: though the nodes between your computer and the public internet are unable to see where the traffic is coming from or going to, the final hop in the network (known as an exit node) gets to know what webserver you are connecting to. Read the rest

I'm speaking at Defcon this weekend in Las Vegas: my talk, "Fighting Back in the War on General Purpose Computers," is tomorrow (Friday) at 11AM in track 3, followed immediately by a signing at the No Starch Press table in the Champagne Ballroom at the Paris hotel. Read the rest

For this year's DEFCON conference, the Electronic Frontier Foundation released an encryption-puzzle t-shirt (with glow-in-the-dark clues!) designed by EFF Senior Designer Hugh D'Andrade and Staff Technologist Micah Lee. The puzzle was fiendishly clever and made for a beautiful tee, and now it has been cracked by some of DEFCON's intrepid attendees, the first ten of whom stand to win a beautiful, limited edition, signed print. Read the rest