Amex Platinum, Chase Sapphire get 2025 refresh

Anna Barclay | Getty Images The long-running rivalry between the country’s top premium credit cards is about to heat up again. JPMorgan Chase announced last week that a refresh of its Sapphire Reserve — the travel and dining rewards card that went viral when it arrived in 2016 — was imminent. In response, American Express…

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Cryptography trick could make AI algorithms more efficient

Concepts from cryptography can be applied to speeding up algorithms Imago/Alamy Adding a dash of encryption to key algorithms used in artificial intelligence models could – surprisingly – make them more efficient, thanks to a trick of mathematics. Cryptography normally involves scrambling messages to make them appear random to malicious onlookers while preserving their information…

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Worrying attack sees 10,000 records allegedly belonging to VirtualMacOSX leaked – here’s what we know

Security researchers find threat actor advertising a major database The archive allegedly belongs to VirtualMacOSX.com It contains passwords, bank data, and other sensitive information Thousands of records belonging to VirtualMacOSX users, including banking information, have been leaked on a popular hacking forum recently, experts have claimed. Cybersecurity researchers Safety Detectives say they found a new…

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