Ejemplo de cómo analizar un email viendo sus cabeceras y comprobando quién realmente lo envía y sus intenciones, para así mejorar nuestra seguridad.

#ciberseguridad #email

RECIBE UNA GUÍA PARA EMPEZAR EN CIBERSEGURIDAD

https://elrincondelhacker.es/newsletter…

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Tired of running flatpak update by hand?…

Jack Dorsey’s Block has launched “Bitcoin Does,” its first national advertising campaign for Bitcoin, targeting 60 million Americans who are curious about Bitcoin but have never used it. The campaign focuses entirely on what people can do with Bitcoin rather…

Africa’s Bitcoin circular economies are growing. But after the onboarding campaigns and conference visits end, how many merchants keep accepting sats? A honest look at what real sustainability requires.

China's AI stocks lost $480 billion. But SK Hynix posted record profits and says RAM stays scarce till 2030. Bubbles pop, prices don't.

The team becomes the solution and the quiet guardian of the problem.

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Colocar vários clientes na mesma VPS economiza. Mas um cliente pode travar o processo de outro.

Exemplo real: um cliente de contabilidade fazendo fechamento de mês pode fazer o Docker matar o processo de outro cliente na mesma máquina.

A escolha certa entre…

Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.

Data from 10,000 websites shows uneven organic traffic declines across markets, industries, and site sizes, with AI only part of the story.

Fiat is Latin for let it be done. Since 1971 that command is the only thing backing your dollar, and whoever gives it can give it again.

#bitcoin #bitcoinformillennials #fiat #money #inflation

Summary This post details two distinct Denial-of-Service (DoS) vulnerabilities discovered in Core Lightning (CLN). Both vulnerabilities allowed a remote peer to trigger unbounded memory growth, ultimately leading to Out-of-Memory (OOM) system crashes. The…

I’d like feedback on a draft that standardizes the policy a co-signer enforces, not the co-signer itself. A co-signer that signs only when a predicate holds is a known way to emulate covenants today. Towns described the multisig version of this in 2021.…

Tudo que eu indico (apps, livros, ferramentas): https://marcosvarjao.com/i/mzj3A-JqijY
Mentoria individual de inglês para profissionais: https://marcosvarjao.com/m/mzj3A-JqijY

Tentar controlar cada regra antes de abrir a boca transforma o estudo da gramática…

Try TestSprite, the open-source verifier for your agent loop: https://www.testsprite.com/?via=eric

Run Claude Code for free with FreeLLMAPI, an open-source router that pools the free tiers of LLM providers like Google AI Studio, Groq, OpenRouter and NVIDIA…

Join Car and Keyan every week to discuss the top posts on Stacker.News the front page of Bitcoin.

⚡ This week’s SNL is powered by Heatbit

If you’re already heating the room, you might as well be mining Bitcoin while you do it. Heatbit combines home heating…

In our latest EFFector newsletter, we're talking about a recent victory in our lawsuit against the government for sharing federal workers' confidential personnel files with DOGE.

Você achava que o domínio do Império Britânico havia acabado com a descolonização? Pense novamente. A Grã-Bretanha se transformou de uma potência colonial para a maior potência financeira global das sombras.

A elite financeira da "City de Londres" construiu…

Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.

O HACK ALGORÍTMICO QUE DECIDIU A ELEIÇÃO

🚨 Você sabia que 10 milhões de pessoas em um canal de WhatsApp decidiram a eleição? E o que fez a diferença não foi a máquina do Estado...

🔍 Entenda o que realmente aconteceu:
• O hack algorítmico de Janones que…

How much Bitcoin do I need to retire?

Larry Lepard says it depends on how much you spend. His method: look up the power law model, work backwards from your retirement date, and ask what lifestyle you need. Young people with a couple of Bitcoin will be in…