GreyNoise launches free scanner to check if you're part of a botnet

Encrypted messaging platform Signal now offers secure backups on iPhone, letting users save and restore messages if they lose access to their device. There are free and paid versions of Signal’s secure backups. The free version lets users store up to 100MB of text messages, including photos, videos, and files from the last 45 days. The paid version costs $1.99 per month and can back up all text messages, along with up to 100GB of media which can be older than 45 days. The end-to-end encrypted backups can be accessed using a 64-character recovery key generated by the user’s…

As Mumbai sees increased energy demand from new datacenters, particularly from Amazon, the filthiest neighbourhood in one of India’s largest cities must keep its major coal plants Each day, Kiran Kasbe drives a rickshaw taxi through his home neighbourhood of Mahul on Mumbai’s eastern seafront, down streets lined with stalls selling tomatoes, bottle gourds and aubergines–and, frequently, through thick smog. Earlier this year, doctors found three tumours in his 54-year-old mother’s brain. It’s not clear exactly what caused her cancer. But people who live near coal plants are much more likely to develop the illness, studies show, and the…

Michael Crider’s headline at PCWorld today perfectly captures how ridiculous the PC memory shortage has become: stores like the San Francisco Bay Area’s Central Computers are beginning to sell RAM at market prices, like you’d pay for the catch-of-the-day at a seafood restaurant. “Costs are fluctuating daily as manufacturers and distributors adjust to limited supply and high demand,” reads a message posted in the store’s display case, as spotted by Steve Lin. “Because of this, we can’t display fixed prices at this time.” Micro Center is apparently doing the same: “Due to market volatility, we ask that you please…