Beanstalk Farms is a decentralized finance project that has a majority stake governance system: basically people have proportiona votes based on the amount of currency they own. A clever hacker used a “flash loan” feature of another decentralized finance project to borrow enough of the currency to give himself a controlling stake, and then approved … Read More “Clever Cryptocurrency Theft” »
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New paper: “Planting Undetectable Backdoors in Machine Learning Models: Abstract: Given the computational cost and technical expertise required to train machine learning models, users may delegate the task of learning to a service provider. We show how a malicious learner can plant an undetectable backdoor into a classifier. On the surface, such a backdoored classifier … Read More “Undetectable Backdoors in Machine-Learning Models” »
Beautiful video shot off the California coast. As usual, you can also use this squid post to talk about the security stories in the news that I haven’t covered. Read my blog posting guidelines here. Powered by WPeMatico
A Russian cyberweapon, similar to the one used in 2016, was detected and removed before it could be used. Key points: ESET researchers collaborated with CERT-UA to analyze the attack against the Ukrainian energy company The destructive actions were scheduled for 2022-04-08 but artifacts suggest that the attack had been planned for at least two … Read More “Russian Cyberattack against Ukrainian Power Grid Prevented” »
John Oliver has an excellent segment on data brokers and surveillance capitalism. Powered by WPeMatico
Andy Greenberg wrote a long article — an excerpt from his new book — on how law enforcement de-anonymized bitcoin transactions to take down a global child porn ring. Within a few years of Bitcoin’s arrival, academic security researchers — and then companies like Chainalysis — began to tear gaping holes in the masks separating … Read More “De-anonymizing Bitcoin” »
Scientists are now debating whether octopuses, squid, and crabs have emotions. Short answer: we don’t know, but can’t rule it out. There may be a point when humans can no longer assume that crayfish, shrimp, and other invertebrates don’t feel pain and other emotions. “If they can no longer be considered immune to felt pain, … Read More “Friday Squid Blogging: Do Squid Have Emotions?” »
Ever since Apple introduced AirTags, security people have warned that they could be used for stalking. But while there have been a bunch of anecdotal stories, this is the first vaguely scientific survey: Motherboard requested records mentioning AirTags in a recent eight month period from dozens of the country’s largest police departments. We obtained records … Read More “AirTags Are Used for Stalking Far More than Previously Reported” »
The Justice Department announced the disruption of a Russian GRU-controlled botnet: The Justice Department today announced a court-authorized operation, conducted in March 2022, to disrupt a two-tiered global botnet of thousands of infected network hardware devices under the control of a threat actor known to security researchers as Sandworm, which the U.S. government has previously … Read More “US Disrupts Russian Botnet” »
FinFisher has shut down operations. This is the spyware company whose products were used, among other things, to spy on Turkish and Bahraini political opposition. Powered by WPeMatico