Informations about SSL certificates and networks security
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An ex-NSA employee has been charged with trying to sell classified data to the Russians (but instead actually talking to an undercover FBI agent). It’s a weird story, and the FBI affidavit raises more questions than it answers. The employee only worked for the NSA for three weeks—which is weird in itself. I can’t figure … Read More “NSA Employee Charged with Espionage” »
My personal definition of a brilliant idea is one that is immediately obvious once it’s explained, but no one has thought of it before. I can’t believe that no one has described this taxonomy of access control before Ittay Eyal laid it out in this paper. The paper is about cryptocurrency wallet design, but the … Read More “A Taxonomy of Access Control” »
Earlier this month, I and others wrote a letter to Congress, basically saying that cryptocurrencies are an complete and total disaster, and urging them to regulate the space. Nothing in that letter is out of the ordinary, and is in line with what I wrote about blockchain in 2019. In response, Matthew Green has written—not … Read More “On the Dangers of Cryptocurrencies and the Uselessness of Blockchain” »
Cloudflare is reporting a large DDoS attack against an unnamed company “operating a crypto launchpad.” While this isn’t the largest application-layer attack we’ve seen, it is the largest we’ve seen over HTTPS. HTTPS DDoS attacks are more expensive in terms of required computational resources because of the higher cost of establishing a secure TLS encrypted … Read More “15.3 Million Request-Per-Second DDoS Attack” »
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” »
Norton 360 can now mine Ethereum. It’s opt-in, and the company keeps 15%. It’s hard to uninstall this option. Powered by WPeMatico
The US has returned $154 million in bitcoins stolen by a Sony employee. However, on December 1, following an investigation in collaboration with Japanese law enforcement authorities, the FBI seized the 3879.16242937 BTC in Ishii’s wallet after obtaining the private key, which made it possible to transfer all the bitcoins to the FBI’s bitcoin wallet. … Read More “Stolen Bitcoins Returned” »
I have long been annoyed that the word “crypto” has been co-opted by the blockchain people, and no longer refers to “cryptography.” I’m not the only one. Powered by WPeMatico
The FBI has issued a bulletin describing a bitcoin variant of a wire fraud scam: As the agency describes it, the scammer will contact their victim and somehow convince them that they need to send money, either with promises of love, further riches, or by impersonating an actual institution like a bank or utility company. … Read More “Wire Fraud Scam Upgraded with Bitcoin” »
The Squid Game cryptocurrency was a complete scam: The SQUID cryptocurrency peaked at a price of $2,861 before plummeting to $0 around 5:40 a.m. ET., according to the website CoinMarketCap. This kind of theft, commonly called a “rug pull” by crypto investors, happens when the creators of the crypto quickly cash out their coins for … Read More “Friday Squid Blogging: Squid Game Cryptocurrency Was a Scam” »