Dell installs self-signed root certificate on laptops, endangering users privacy Dell laptops are coming preloaded with a self-signed root digital certificate that lets attackers spy on traffic to any secure website. The reportsfirst surfaced on Redditand were soon confirmed byother usersand security experts on Twitter and blogs. The root certificate, which has the power of a certificate authority on the laptops it’s installed on, comes bundled with its corresponding private key, making the situation worse....

Kef M400 review Expert’s Rating Our Verdict Once again, Kef has made a stylish and well-built pair of headphones in the M400. They are lightweight, portable and the optional splash of colour is nice. Sound quality is once again very good although these aren’t the best choice for bass lovers. Our main issue is that you can currently buy the flagship M500 headphones for less making these hard to recommend until the price drops....

Panasonic Viera TX-50CX802B review Expert’s Rating Pros Cons Our Verdict Overall, we rate the TX50-CX802 a superior 4K panel that is both fun to live with (Firefox rivals LG’s webOS for stylish simplicity), while combined Netflix/Amazon UHD app support offers up a surprising amount of 4K content. The set looks great with both UHD and upscaled HD. Consider this one of the best 4K Ultra HD TVs of the year....

Xiaomi Mi 4C review: Half the price of the Nexus 5X, but no rival Expert’s Rating Pros Cons Our Verdict On paper the Xiaomi Mi 4C is an excellent mid-range Android phone, with a fantastic spec for the money – it’s half the price of the Nexus 5X and can be just as fast. There’s a generous battery, a fairly good camera and some interesting new features such as USB-C. However, our benchmarking showed overheating to be a problem, and the issues we experienced with software out of the box make it difficult to recommend to less techie users....

UMI Hammer S budget smartphone review Expert’s Rating Pros Cons Our Verdict We really like the UMI Hammer S. It’s not the fastest phone you’ll find at this price, but it’s fast enough for daily use. The design is nice, and genuinely useful technology – USB-C and the fingerprint scanner for example – comes at an attractive price. A strong rival to the excellent Vodafone Smart Ultra 6. TheHammer Sis a largerphabletversion of theUMI Hammer, the wallet-friendly Chinese phone that was billed as virtually unbreakable....